sova | 7c805f51ee3b2994e742d73954e51d7c2c24c76455b0b9a1b44d61cb4e280502

Resubmissions

07-03-2023 23:25

230307-3d95ascb71 10

06-10-2022 16:35

221006-t321jshhe8 10

12-08-2022 07:35

220812-jen4nschf5 8

Analysis

max time kernel
3190825s
max time network
142s
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
07-03-2023 23:25

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General

Target

7C805F51EE3B2994E742D73954E51D7C2C24C76455B0B9A1B44D61CB4E280502.apk
Size

4.0MB
MD5

74b8956dc35fd8a5eb2f7a5d313e60ca
SHA1

322bfcfc2f2cfcfb759bc61b021a498c1955937b
SHA256

7c805f51ee3b2994e742d73954e51d7c2c24c76455b0b9a1b44d61cb4e280502
SHA512

772e0ae703b9cb3bb62c490366023026845aa80d793211dbc95606795659f88fa58e510ab1fdb129ee01159560ae071312c9de98cbcdbf574b015a791a0960ac
SSDEEP

98304:zQEneeg1QRd7c43GVDssvvO9h9CwfLyEefawrQ:zQEnzg2RD2Vjgfzyzawk

Score

10^/10

sova banker evasion infostealer trojan

Malware Config

Signatures

SOVA_v5 payload 2 IoCs

Processes:

resource	yara_rule
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json	family_sova_v5
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json	family_sova_v5

Sova
Android banker first seen in July 2021.
banker trojan infostealer sova

Makes use of the framework's Accessibility service. 2 IoCs

Processes:

com.bean.cousin

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.bean.cousin
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.bean.cousin

Acquires the wake lock. 1 IoCs

Processes:

com.bean.cousin

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.bean.cousin

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.bean.cousin

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/com.bean.cousin/app_DynamicOptDex/CtaDwII.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/x86/CtaDwII.odex --compiler-filter=quicken --class-loader-context=&com.bean.cousin

ioc	pid	process
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json	4163	/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/com.bean.cousin/app_DynamicOptDex/CtaDwII.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/x86/CtaDwII.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json	4102	com.bean.cousin

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

45 ip-api.com
Removes a system notification. 1 IoCs
evasion

Processes:

com.bean.cousin

description ioc process

Framework service call android.app.INotificationManager.cancelNotificationWithTag com.bean.cousin

flow	ioc
45	ip-api.com

description	ioc	process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.bean.cousin

com.bean.cousin
1⤵
- Makes use of the framework's Accessibility service.
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
PID:4102

/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/com.bean.cousin/app_DynamicOptDex/CtaDwII.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/x86/CtaDwII.odex --compiler-filter=quicken --class-loader-context=&
2⤵
- Loads dropped Dex/Jar
PID:4163

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json
Filesize
2.2MB

MD5
c9ea4a96385657ebb6555b6d4d5eca0c

SHA1
5bae7c22a1bc9d4d0410a9a2a66056ebe00a7e93

SHA256
11b1cbdef463227d288271c05101ed180109d372d68fc924c29db43bf518922b

SHA512
e42bbc1ab5dcea9d0c54ff9ebf71919e97ec8ea49793e05179414a95a034f9108b709cbc52fd25c8a6f1d48d249b9d0bb59bfcabdac4f4853d0177ab3fdfce8c

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json
Filesize
6.0MB

MD5
7650b4c1c441ffaa06c64c9ea181597d

SHA1
02b3192f88802366e32b02db6b491853f0474143

SHA256
6ca21973ebc73fb856040fd1be00603287494bed8fc7849e656ae5ec84689bff

SHA512
df47092217b7c6fe04f49db05d1983990b06f2b441e08895eda86b5ec2319d1eb631f3f2c8518d1f75e68fb344dc2f513e48d51caa59792d23b02e99c10674ea

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json
Filesize
6.0MB

MD5
cb83525904c2bff0cb586d662c5fe2b9

SHA1
2d63ff2e85b34006a5517f85deb470ff48734df5

SHA256
acd7234022738f4e8499749de805c474879fea06de0d7ca066483d03e7ef02f5

SHA512
33eced5d3bead49bb238f08bac960044c7359262fdd58ab559cb38c47528859e24f8578e32743ba6a1630ce7e45497c9f99edb0b96c5c8fa6c0a4ca7fb15fd3e

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json.x86.flock
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/CtaDwII.json.cur.prof
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/x86/CtaDwII.odex
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.bean.cousin/app_DynamicOptDex/oat/x86/CtaDwII.vdex
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.bean.cousin/no_backup/androidx.work.workdb
Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/user/0/com.bean.cousin/no_backup/androidx.work.workdb-journal
Filesize
524B

MD5
0891cb7c9db4e6525902f6678970f6ce

SHA1
513410c764a6065427cedbcb2dc3b3ac4dbda134

SHA256
f415c53b958403f6887b3e686182bca1f3046f539216837577e31c12f249f41d

SHA512
162ee784ad0111b7298554a8ad3f1e7863aa67351457ca88f406f6ea8a26cea915b7ce50e1f77073e0696a802a44cf0cfb0856d2fe90987e247d0d72115f78d2

Download Submit
/data/user/0/com.bean.cousin/no_backup/androidx.work.workdb-shm
Filesize
8B

MD5
7dea362b3fac8e00956a4952a3d4f474

SHA1
05fe405753166f125559e7c9ac558654f107c7e9

SHA256
af5570f5a1810b7af78caf4bc70a660f0df51e42baf91d4de5b2328de0e83dfc

SHA512
1b7409ccf0d5a34d3a77eaabfa9fe27427655be9297127ee9522aa1bf4046d4f945983678169cb1a7348edcac47ef0d9e2c924130e5bcc5f0d94937852c42f1b

Download Submit
/data/user/0/com.bean.cousin/no_backup/androidx.work.workdb-wal
Filesize
221KB

MD5
9e8f7f4585c3e6fa922f93b6b8471de1

SHA1
8d215716a77bea2209726a1881135aa50ee72046

SHA256
fbc4ce7f36b3f123e6830c83a908f5cf35332feb9a2c9182865648811e407019

SHA512
34e2a4bd881e30b64fe2705f0c5f1dddf670b6b67afae0cf059163ad9e49533aedc9090255980fdacdfb3afbdb45099a448b5a61b75390f0a9e4fc534ddd61c0

Download Submit