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PHA Family Highlights: Bread (and Friends)


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“So..good..”
“very beautiful”
Later, 1 star reviews from real users start appearing with comments like:
“Deception”
“The app is not honest …”

SUMMARY

Sheer volume appears to be the preferred approach for Bread developers. At different times, we have seen three or more active variants using different approaches or targeting different carriers. Within each variant, the malicious code present in each sample may look nearly identical with only one evasion technique changed. Sample 1 may use AES-encrypted strings with reflection, while Sample 2 (submitted on the same day) will use the same code but with plaintext strings.
At peak times of activity, we have seen up to 23 different apps from this family submitted to Play in one day. At other times, Bread appears to abandon hope of making a variant successful and we see a gap of a week or longer before the next variant. This family showcases the amount of resources that malware authors now have to expend. Google Play Protect is constantly updating detection engines and warning users of malicious apps installed on their device.

SELECTED SAMPLES

Package Name SHA-256 Digest
com.rabbit.artcamera 18c277c7953983f45f2fe6ab4c7d872b2794c256604e43500045cb2b2084103f
org.horoscope.astrology.predict 6f1a1dbeb5b28c80ddc51b77a83c7a27b045309c4f1bff48aaff7d79dfd4eb26
com.theforest.rotatemarswallpaper 4e78a26832a0d471922eb61231bc498463337fed8874db5f70b17dd06dcb9f09
com.jspany.temp 0ce78efa764ce1e7fb92c4de351ec1113f3e2ca4b2932feef46d7d62d6ae87f5
com.hua.ru.quan 780936deb27be5dceea20a5489014236796a74cc967a12e36cb56d9b8df9bc86
com.rongnea.udonood 8b2271938c524dd1064e74717b82e48b778e49e26b5ac2dae8856555b5489131
com.mbv.a.wp 01611e16f573da2c9dbc7acdd445d84bae71fecf2927753e341d8a5652b89a68
com.pho.nec.sg b4822eeb71c83e4aab5ddfecfb58459e5c5e10d382a2364da1c42621f58e119b
...

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