Malware Analysis Report

2025-01-19 05:47

Sample ID 241204-14z1xazldq
Target d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9.bin
SHA256 d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9
Tags
hook banker collection credential_access discovery evasion execution impact infostealer persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9

Threat Level: Known bad

The file d8723fca41fab2dd936c63609e87af0173ca43703362d9703f5d492c278037d9.bin was found to be: Known bad.

Malicious Activity Summary

hook banker collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Hook

Hook family

Queries information about running processes on the device

Queries the phone number (MSISDN for GSM devices)

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

Obtains sensitive information copied to the device clipboard

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

Reads information about phone network operator.

Performs UI accessibility actions on behalf of the user

Acquires the wake lock

Attempts to obfuscate APK file format

Makes use of the framework's foreground persistence service

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Declares services with permission to bind to the system

Queries the mobile country code (MCC)

Queries information about the current Wi-Fi connection

Uses Crypto APIs (Might try to encrypt user data)

Schedules tasks to execute at a specified time

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

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 22:12

Signatures

Attempts to obfuscate APK file format

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 notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A
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
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS 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 read the user's call log. android.permission.READ_CALL_LOG 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
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-04 22:12

Reported

2024-12-04 22:14

Platform

android-x86-arm-20240910-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-04 22:12

Reported

2024-12-04 22:15

Platform

android-x64-20240910-en

Max time kernel

149s

Max time network

153s

Command Line

com.rrnynabnv.cgofowmor

Signatures

Hook

rat trojan infostealer hook

Hook family

hook

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.rrnynabnv.cgofowmor/app_dex/classes.dex N/A N/A
N/A /data/user/0/com.rrnynabnv.cgofowmor/app_dex/classes.dex 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
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock 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

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
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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.rrnynabnv.cgofowmor

Network

Country Destination Domain Proto
GB 142.250.180.10:443 tcp
N/A 224.0.0.251:5353 udp
GB 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
RU 92.255.57.103:80 92.255.57.103 tcp
GB 142.250.200.46:443 tcp
GB 172.217.169.66:443 tcp
RU 92.255.57.103:80 92.255.57.103 tcp

Files

/data/data/com.rrnynabnv.cgofowmor/cache/classes.zip

MD5 0d832f56410f3d98d2ba8c3313eef752
SHA1 b104fa6d3062a1506830cc60b55f95fe1e4dfe88
SHA256 338d8cfb42a9fef683e651276e68628440598bbe6e313b82210d946c47e2a0d3
SHA512 c6769859e4096b76b146a3929be3755eea970d86b34dace054ac14385d74090c215067b6f8ab7c11346a5c5c1a459c8d55c30789d1bceb7a49bfe1598e1e9fa6

/data/data/com.rrnynabnv.cgofowmor/cache/classes.dex

MD5 03d0772a882c474e2a3bc1e80687651c
SHA1 1f34d128231a088eb93a88e58e97a820770508ab
SHA256 a0f97a4def683991ca2ae10975b262ea71870a2e620d004b6bfac91f14e28625
SHA512 71259da7353ac0e3b9021465b34417b46334af850b2efb19ef22b4d7b7f679f0265f72313b9e581d060f894231e54bd0026844193ea9fd47d6207d11d144140e

/data/data/com.rrnynabnv.cgofowmor/app_dex/classes.dex

MD5 4111c550f121390f5437cf2f52860dde
SHA1 f125212b3b9abd032d42a065c54d8fa9d7b5b243
SHA256 63e5086013899fe9bd9b6b5f15d61df10668152bf3da7e322cfcc37538bc1cf5
SHA512 2808c1d0157455b3e8ab3d1ed1a140da0b5ed31cd41d2c7718c70477110f4615298ea09f7a177e01eec75266267a73a05a19434b1b4f4b9065b86bf8bbfbc9f8

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-journal

MD5 03228d89343a2330d9eeb993dd8b8b11
SHA1 d5a5b6fc2a41ff9219e3fb471cfa51f4907395fb
SHA256 c46bb1a25824f68134e715e406a8edf29421bebd2bcfcdae010505ff6463e95d
SHA512 026d3504463d6364f057c9defd28dd7b8dc108956dca23fcb72fd091ce9b810041d0b661517e482d93ce7a8c7e15dcc3ef29344ede48ebc78ce1bad2c6a1cd23

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 165b313089cde60de9a2b074a547df81
SHA1 5a12fa935f894247bb27a21fb9f41b6d7b35ed42
SHA256 82142d54200809a1dd2fe344c20d7685f267298ded498dd937c75b72d9a3ff07
SHA512 5fafc33b7dfb6060edaea82094f6590e04078e8cb48ca4133b6518be485a648d03a95699205bdd2fca7a4fa45a20e4ebd856a355354878b256119e627a1e294a

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 8777a6d9d41f09916a919bd4c0cfb764
SHA1 5349e70d982dcde11594597aa001440df4252efd
SHA256 f89f3586caf197268621ae58035903533b3e70b1d97efe4e8bcdcc18a9b27a14
SHA512 10705ca1bb2603f158cff09938a64bd6fe8c20b2cde5553154d01ad52ffa53ebb007bfdc262aa689e4a4d3a31dfe3185332555b5ad2c8b9079d099277be9b08c

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 39350a240c915f7c47365522b61ea983
SHA1 4b6f236ac1cd8f133b66ee08de6a5b6d901111e5
SHA256 dd357583224bda893518f087c7d8452a569ce14188d396ef4504bebbdfec55d7
SHA512 5400bd8a0d0d1e969c8ac12d878f1b5c1da36bb638b99b95121d9cf7b89388a5bd8608589eac4cfc7a115e117fa21e98bf01630c212e4db1bb7ecb196921b586

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-04 22:12

Reported

2024-12-04 22:15

Platform

android-x64-arm64-20240624-en

Max time kernel

131s

Max time network

156s

Command Line

com.rrnynabnv.cgofowmor

Signatures

Hook

rat trojan infostealer hook

Hook family

hook

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.rrnynabnv.cgofowmor/app_dex/classes.dex N/A N/A
N/A /data/user/0/com.rrnynabnv.cgofowmor/app_dex/classes.dex 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
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock 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

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
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Reads information about phone network operator.

discovery

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal 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.rrnynabnv.cgofowmor

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
RU 92.255.57.103:80 92.255.57.103 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp

Files

/data/data/com.rrnynabnv.cgofowmor/cache/classes.zip

MD5 0d832f56410f3d98d2ba8c3313eef752
SHA1 b104fa6d3062a1506830cc60b55f95fe1e4dfe88
SHA256 338d8cfb42a9fef683e651276e68628440598bbe6e313b82210d946c47e2a0d3
SHA512 c6769859e4096b76b146a3929be3755eea970d86b34dace054ac14385d74090c215067b6f8ab7c11346a5c5c1a459c8d55c30789d1bceb7a49bfe1598e1e9fa6

/data/data/com.rrnynabnv.cgofowmor/cache/classes.dex

MD5 03d0772a882c474e2a3bc1e80687651c
SHA1 1f34d128231a088eb93a88e58e97a820770508ab
SHA256 a0f97a4def683991ca2ae10975b262ea71870a2e620d004b6bfac91f14e28625
SHA512 71259da7353ac0e3b9021465b34417b46334af850b2efb19ef22b4d7b7f679f0265f72313b9e581d060f894231e54bd0026844193ea9fd47d6207d11d144140e

/data/data/com.rrnynabnv.cgofowmor/app_dex/classes.dex

MD5 4111c550f121390f5437cf2f52860dde
SHA1 f125212b3b9abd032d42a065c54d8fa9d7b5b243
SHA256 63e5086013899fe9bd9b6b5f15d61df10668152bf3da7e322cfcc37538bc1cf5
SHA512 2808c1d0157455b3e8ab3d1ed1a140da0b5ed31cd41d2c7718c70477110f4615298ea09f7a177e01eec75266267a73a05a19434b1b4f4b9065b86bf8bbfbc9f8

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-journal

MD5 44a6eea38f9da810eaeb760dc3210ae7
SHA1 83e10e67721ebfcfa3e81a629a4de92f7adaef2e
SHA256 fe15aaaba96da26dc1e9acac92da3d9c42bcc5bfc252f3d7d5959f64d18d29dc
SHA512 666470d9fb732e1b6219869edf49d9c1ad4409a343856d3b5b71a3c72989d1d9feaf20682c22332f3072ccae7d2d42c7db795cd6cb4c5f94581008435e64d391

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb

MD5 7e858c4054eb00fcddc653a04e5cd1c6
SHA1 2e056bf31a8d78df136f02a62afeeca77f4faccf
SHA256 9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad
SHA512 d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 16da4450e88fcece99134cb4bd7f3f2f
SHA1 438d7fb02ca19893242f127d20b1ad0a6815d444
SHA256 4d4da15f1da4238e9c8b6e6576f2c3f4da269b2a34fa7be810ff496b6ccbaa5c
SHA512 f12c85647c8972766a80900431300dfede34486ceacb3231bf151879af7a2c3ab5bb9b593b03162266fe56aa28d847144012ff8a46664c12579d612042862b18

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 9461ae9971edc1963a416b5b6770053f
SHA1 b1b75fae9049ba92ecc76def4fb74f1f34c7179b
SHA256 85e65d90d50df21a9b556e3443c32c4eddc93c886a33af95fcaa42c8a7dac80d
SHA512 8d55d170eb2e9ecddc875f6f9164aba0931463be924c00854bfc68c5a41f75b30557b191716289688b9c2e65c1bb85cbf9091f1ebb83733b7f780a8be76e87e9

/data/data/com.rrnynabnv.cgofowmor/no_backup/androidx.work.workdb-wal

MD5 e0e9864544cc33b3526974236a866f5e
SHA1 8ecf39d520ee6d43b5f99607fd4d513b3da28c56
SHA256 202d402c077892edb83abe01d8f2ce266c99ea08e9da873b8a1bbf4b7c0984ca
SHA512 4303233082cd6bd4e00aa9f246098f2d0bf7560bfa15a3f26f2700a1ccd3b5b8969582bdcdf11766febeb6c0ea44f85d9ea5305104bf8961584006b800ecd484