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
2432489s
max time network
158s
platform
android_x86
resource
android-x86-arm-20220621-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20220621-enlocale:en-usos:android-9-x86system
submitted
12-08-2022 07:35

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General

Target

7C805F51EE3B2994E742D73954E51D7C2C24C76455B0B9A1B44D61CB4E280502.apk
Size

4.0MB
MD5

74b8956dc35fd8a5eb2f7a5d313e60ca
SHA1

322bfcfc2f2cfcfb759bc61b021a498c1955937b
SHA256

7c805f51ee3b2994e742d73954e51d7c2c24c76455b0b9a1b44d61cb4e280502
SHA512

772e0ae703b9cb3bb62c490366023026845aa80d793211dbc95606795659f88fa58e510ab1fdb129ee01159560ae071312c9de98cbcdbf574b015a791a0960ac

Score

8^/10

evasion

Malware Config

Signatures

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

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

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.

ioc	pid	Process
/data/user/0/com.bean.cousin/app_DynamicOptDex/CtaDwII.json	4762	/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	4377	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.

flow	ioc
33	ip-api.com

Removes a system notification. 1 IoCs

evasion

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:4377
- /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:4762

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/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
e4a05938bb070d5dc1b4274b9c4c393b

SHA1
30d43ecdf661bfe736ec3c2a9d011f015a3372eb

SHA256
42613f21c2329d46f65e3c7864d274b059f003f3317b39aec14f55c315e9c077

SHA512
8f86ba809b7c065625343c2a2f8d02555f0ec8be0b853912134cbd2712ea46e53e6e7bc5debae7609689c0eb1bce3090b3f88ea0f920f22698774848d6d5a94f

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
197KB

MD5
2854f5e7a3637f07db4eb4677d5ddcc2

SHA1
793032a31c17b93098a7ae3e28cf907b0a45f953

SHA256
6adaef05495cb2731d1c7196a89f6cd271481dde5a46aadffb65ac14767a8522

SHA512
5baa9e6e83fd5f1e818d769ab6a36be5d8f85421a69f62f530a2b2dadff2b88aaa629b8850658e49243aee23646e34312cd9b0f38cccd1412f530f32ba8de48f

Download Submit