Malware Analysis Report

2025-01-19 06:50

Sample ID 241223-bt764atmcp
Target 8c91dc43f9d4198afb494388737d9a62.bin
SHA256 8a955760cbdf63aa2d9a110804cfa23a7f8876402ae4d87354320972e27aa910
Tags
antidot banker collection credential_access discovery evasion execution persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8a955760cbdf63aa2d9a110804cfa23a7f8876402ae4d87354320972e27aa910

Threat Level: Known bad

The file 8c91dc43f9d4198afb494388737d9a62.bin was found to be: Known bad.

Malicious Activity Summary

antidot banker collection credential_access discovery evasion execution persistence

Antidot payload

Antidot family

Checks if the Android device is rooted.

Makes use of the framework's Accessibility service

Queries the phone number (MSISDN for GSM devices)

Queries information about running processes on the device

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Reads the contacts stored on the device.

Reads the content of the SMS messages.

Legitimate hosting services abused for malware hosting/C2

Requests disabling of battery optimizations (often used to enable hiding in the background).

Queries information about active data network

Performs UI accessibility actions on behalf of the user

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Queries the unique device ID (IMEI, MEID, IMSI)

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

Requests dangerous framework permissions

Schedules tasks to execute at a specified time

Registers a broadcast receiver at runtime (usually for listening for system events)

Checks memory information

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-23 01:27

Signatures

Antidot family

antidot

Antidot payload

Description Indicator Process Target
N/A N/A N/A N/A

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-23 01:27

Reported

2024-12-23 01:30

Platform

android-x86-arm-20240624-en

Max time kernel

143s

Max time network

155s

Command Line

com.b551a.off

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /sbin/su N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

Reads the contacts stored on the device.

collection
Description Indicator Process Target
URI accessed for read content://com.android.contacts/data/phones N/A N/A

Reads the content of the SMS messages.

collection
Description Indicator Process Target
URI accessed for read content://sms/ N/A N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.b551a.off

com.b551a.off:remote

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 14.22.7.199:443 android.bugly.qq.com tcp
US 1.1.1.1:53 ynadmwss.top udp
US 1.1.1.1:53 log-service-5531086119413148-cn-hongkong.cn-hongkong.log.aliyuncs.com udp
HK 47.244.67.197:443 log-service-5531086119413148-cn-hongkong.cn-hongkong.log.aliyuncs.com tcp
ID 147.139.241.73:8081 ynadmwss.top tcp
ID 147.139.241.73:8081 ynadmwss.top tcp
ID 147.139.241.73:8081 ynadmwss.top tcp
ID 147.139.241.73:8081 ynadmwss.top tcp
ID 147.139.241.73:8081 ynadmwss.top tcp
US 1.1.1.1:53 h5.ynadm.top udp
US 104.21.65.36:443 h5.ynadm.top tcp
US 104.21.65.36:443 h5.ynadm.top tcp
ID 147.139.241.73:443 ynadmwss.top tcp
US 1.1.1.1:53 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 1.1.1.1:53 admin.ynadm.top udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
US 172.67.188.193:443 admin.ynadm.top tcp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp
GB 216.58.204.74:443 semanticlocation-pa.googleapis.com tcp
CN 119.147.179.152:443 android.bugly.qq.com tcp
CN 14.22.7.140:443 android.bugly.qq.com tcp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 119.147.179.152:443 android.bugly.qq.com tcp

Files

/data/data/com.b551a.off/app_crashrecord/1004

MD5 604b034c0850d52cf3946782b1bb4762
SHA1 3aeec136c2d6ff2dc8cc61480b094244ca911c28
SHA256 ebf77500fd59dfbcf56bd57fd9b351a62def1ebfa4c6cc6fddf03873de2ca6b2
SHA512 90876745d08bbdc1b411e30735748a10fe7deaec298c1155b433c2f9719d376f352a5201f2bc161d75390f956d37252a179304047850cfc431117ca12e904efa

/data/data/com.b551a.off/app_crashrecord/1004

MD5 0d210bfb2a0e1f1b4c082a6a0f79de07
SHA1 bb8ed9e364db79d1d9f2fcde3f15091893222faa
SHA256 988722c23d78a46021d0e7ca9deee7aa8bb83288269174ffacb7316f381cca1d
SHA512 536e9867b0df29b15b789f8949be6ab37fcdeccb9d39ded981da7dc2052c9533d0ec0e6f9a5444132977605d372e1463d91bdde41b528ff2ca3f65ab152325c1

/data/data/com.b551a.off/databases/bugly_db_-journal

MD5 c3846613459bc39f970a9ed7cac2f74c
SHA1 7846d865a549b725b1aa08406f0df19dbc507230
SHA256 94bf06f9056e87b855f7c5325be0bc852ffa28ccb11c4b23f23bd44e29cc3feb
SHA512 f8d685ac96fcfd8b728e3751298f4af016a70092761b7912eacbc2790a31b0f36826d60d77f58b326da891067dca0fd0b0f6f94148e5b1442a60c1b04d4887e8

/data/data/com.b551a.off/databases/bugly_db_

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.b551a.off/databases/bugly_db_-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.b551a.off/databases/bugly_db_-wal

MD5 9b2c8df9e1841aa88daa8a639973e3b3
SHA1 c92843fb920389f023aa6c338b62b876e7fd6d4d
SHA256 e6a5d9d34de5fc0cf1db0927ff3af2a75522da1ed8aab3462c30aa47042f026e
SHA512 46c47bd5d5bd9032a465c7fd0acdb75434866ccddb4f48f1aa703b81770af1ed5ab4a259ea7044648ffd354463231464980895d208f2f29b9c643f0bc4ef0e86

/data/data/com.b551a.off/files/mmkv/mmkv.default

MD5 620f0b67a91f7f74151bc5be745b7110
SHA1 1ceaf73df40e531df3bfb26b4fb7cd95fb7bff1d
SHA256 ad7facb2586fc6e966c004d7d1d16b024f5805ff7cb47c7a85dabd8b48892ca7
SHA512 2d23913d3759ef01704a86b4bee3ac8a29002313ecc98a7424425a78170f219577822fd77e4ae96313547696ad7d5949b58e12d5063ef2ee063b595740a3a12d

/data/data/com.b551a.off/files/bugly_last_us_up_tm

MD5 5e8a83f8b954cf0c66890e525a266221
SHA1 ae4cbbd5db4ec4e63c3a69395aab9bcffcd6ff27
SHA256 bfae79b83a39b57e3d89f51ad7d3fb5cdd78b03a64a54d42d53b29dfe03ef418
SHA512 5377db20afc3eed0112a51942fad26fc9f3e0f422dfaa34daa86c2237bc992dd147dcfcff278ca4b7ce136a0b26eefeae92195227454b80c5d9786f459e14495

/storage/emulated/0/Android/data/com.b551a.off/files/log_data_000

MD5 a03278761f0a7a9427dfbf56028394c5
SHA1 3aa13cd17fae43bd674f423d4e0306e1c1451dab
SHA256 e87124abebc60390cb127dc5dfac541b12a0b1f6afac14acf83b458d64cab98d
SHA512 87e4efc21922426b9f7be074eb9a1bef852429b685a41acd739054e1383f30bb3fcce2696bc2e1b604ba223b91c5687a82fbe9c8b3698cc6fd06d9c3ddf7182d

/storage/emulated/0/Android/data/com.b551a.off/files/log_data.idx

MD5 713d7b681f40f7a902156738c44c954f
SHA1 a222b967fb7cb04ef05a731a85f8b0f983e18a54
SHA256 4e0bae597ef38405dde815941a09a3b5cb121f9566cad0cd1e06cde18dcd0262
SHA512 d379f42130113c62553a7c7a28a4f2d8939a8b2995e66cb59a2ea4d3b942e9f4a966036f5c4515dd60882e2e8c4ab48ff87313bc6428d7fabc712234fa50f862

/data/misc/profiles/cur/0/com.b551a.off/primary.prof

MD5 a81bfd722e19875319e1048f2ffb532c
SHA1 b523ab69b9dd213ceb34cd2a490bb47da36ba034
SHA256 a859168e87efd619794c6c469dfca4bb6719e042696793a4b94673354db8af4e
SHA512 48ff5829510df2760b42acb3bf756dcd43629fbdd448a0001d963a9f9390492235ef581eb7480ae20df92d8770aad0c17b7a94a0c8bb6b1edaffb9e064883644

/data/data/com.b551a.off/files/profileinstaller_profileWrittenFor_lastUpdateTime.dat

MD5 ee2bbaf9aa3f5603cc4c8b654d7ede68
SHA1 2728bae13a6baa6c6c6e5d4894fef5297cf85688
SHA256 c72a1ca2541f19066896aef000c943c8fbfcb99d860d6ffde821a907711706bb
SHA512 0af266088ab54c39f1bc7b6f1cc82ce69b6b6157247e5b4ebdece6cdac491378860bb625b66d23e1ca4c324951a9f0ab0f32b148f9aed0121522e901a37f017f

/data/data/com.b551a.off/files/profileInstalled

MD5 5712ae0fe9d5c01d217b031bf53b6dc6
SHA1 46afc2dbe9437196cee5350a90515befbb7a0d4e
SHA256 6e1292a59285a20a4b64daf9a78340279f205ffe4e5203e4fbfb3096528fdec4
SHA512 2e757acfda7d9220f1268e8685af7925e3a0b6d3d007b5328fd8beaf289c55f153dcebb7e260c3f8dca5503a767729ec27e757c9ce1e061b047793f9abce08e4

/data/data/com.b551a.off/cache/wp.jpeg

MD5 5dc1983554a88c2a224ee046bb7314ec
SHA1 5b09273776014bf32fd8aa7bca9ce151d2c7d98f
SHA256 6a4d32e8ef673e70a8a4963124417be10eb09089f3aa049e1e3c7de515c69f21
SHA512 5ce30ef36c25d33f3416006c103608057a9cc88f2d88fe37de3bd895d68a005644d74aca0abd5bef02f2ed17709a38ae249b0dabeaa16d1c46c8a8c9d85c7e88

/data/misc/profiles/cur/0/com.b551a.off/primary.prof

MD5 5e360c894704ba42d4edecb01fceae13
SHA1 3a5096ce23ee10db0a5bd5c08b44f999e5d53db5
SHA256 637d9135885b9760f9986c6ef4376372126b22e938c9deb773eb0a9463027734
SHA512 13bb08973cc74d5a6a61783a02426a1629fc386cf7e4c090db466e0723e212674ed302166dbdfd6055f3ca11a6247929cc95c65cd3392e47ac9f3b8a36551c82