brata | 461d2c436581d8e0ecf5593976e2bc201bfc70441404033782c46912abd6b89e

Analysis

max time kernel
591s
max time network
130s
platform
android_x86
resource
android-x86-arm-20220823-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20220823-enlocale:en-usos:android-9-x86system
submitted
22-10-2022 14:09

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General

Target

461d2c436581d8e0ecf5593976e2bc201bfc70441404033782c46912abd6b89e.apk
Size

2.0MB
MD5

1d436d3959583abbec64a711f117e752
SHA1

b41cde7169df7b86952b6253804f05aade7091d3
SHA256

461d2c436581d8e0ecf5593976e2bc201bfc70441404033782c46912abd6b89e
SHA512

ab3f0753f6abcc6d7f92e8f403680b98304527d6e0209946a552059aa27792ca2eac94b73540f2db3d4a1d493d5af2e8ec52c2d379936acc733b6b0cd9b92b9e
SSDEEP

49152:Mqe2mAHD5EH3XFh146qUqOPES/fOnQygIzOA5:7e2mGUFh146ZPPES/G/HzOK

Score

10^/10

brata banker infostealer rat trojan

Malware Config

Signatures

Brata
Brata is a banking trojan malware first seen in 2019.
banker trojan infostealer rat brata

Brata payload 4 IoCs

Processes:

resource	yara_rule
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	family_brata2
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	family_brata3
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	family_brata2
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	family_brata3

Acquires the wake lock. 1 IoCs

Processes:

koala.viber.vip

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock koala.viber.vip

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	koala.viber.vip

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

Processes:

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&koala.viber.vip

ioc	pid	process
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	4140	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip	4080	koala.viber.vip

koala.viber.vip
1⤵
- Acquires the wake lock.
- Loads dropped Dex/Jar
PID:4080

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/koala.viber.vip/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
2⤵
- Loads dropped Dex/Jar
PID:4140

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/koala.viber.vip/code_cache/secondary-dexes/MultiDex.lock
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip
Filesize
3.8MB

MD5
81f5b3ed7da62683a93e4acabd7d5fcc

SHA1
9e75fc51dc146c5a5ef81e088037c365c77b5a5e

SHA256
f0c132dff1a64aba07ff52fac58bbf6dd26302a457f1f97e29f2a5d614ad9b2a

SHA512
99bc0dbbb1ceeb8770cfbabca565d9e07c762831190460d36afa79856f263c1629edad11763246ee21fb6849977ef3dfe62494b0383c378327080bac2a059910

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip
Filesize
3.8MB

MD5
eb2f48d9ad888a7c22b2371de0e1e294

SHA1
bc0a8d6a35a5e42e0216fe95be0f7acbff494951

SHA256
8e5275f2246b815385edef0d86a861340740e299b97b24359968e00b9297e439

SHA512
7be4fde44fa51edfa3567934c36218cd991f320bbb762af750f1fe57dd0e7ce65ebd1aba5da1c30db82adbcedfc6b2f410e7692d0f8165418e60e2a75e1d05bb

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/base.apk.classes1.zip.x86.flock
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/oat/x86/base.apk.classes1.vdex
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/koala.viber.vip/code_cache/secondary-dexes/tmp-base.apk.classes6577382040993652115.zip
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/koala.viber.vip/files/a11y
Filesize
8B

MD5
2e5d8aa3dfa8ef34ca5131d20f9dad51

SHA1
3cc1d5a427a45820b04fe30f78a972b784952460

SHA256
cde0fb0dec1400c54a0f7e7eafa73624c53e4da258bbd34b3380a0defeba95c1

SHA512
a0527c1de9df8c529337f73be73cf98fcde155fcf00c7522f67a4a6298b52853d9767815d8811c2a7e5e829871a5dea9174b2b7e90fb7c98a62467240dd78434

Download Submit
/data/user/0/koala.viber.vip/shared_prefs/multidex.version.xml
Filesize
306B

MD5
1a4024f152fc7342aebeb23a42fa7883

SHA1
405478bab9f91fb22e21c083ababfaa68d3979c7

SHA256
57aad9f1322e12ffb566910f74e20f55284f6db9763b7755e590c8ebc97adf8e

SHA512
729c71d3521cfa310c11a2837dd3029c7f7c9b718b21279c5a5caef18b3babec9e28b8f57bc7508c9d292cb36361db7b61dda0aa8bb9b7d49e8b9fe6ad23dfd7

Download Submit