Malware Analysis Report

2024-11-13 17:37

Sample ID 241109-25ypxatkex
Target afc0cdd2e7e8494039e108e9d7d5af51856413ecb6ca3b4db9878821fd3b2f82.bin
SHA256 afc0cdd2e7e8494039e108e9d7d5af51856413ecb6ca3b4db9878821fd3b2f82
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth 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 Overview

score
10/10

SHA256

afc0cdd2e7e8494039e108e9d7d5af51856413ecb6ca3b4db9878821fd3b2f82

Threat Level: Known bad

The file afc0cdd2e7e8494039e108e9d7d5af51856413ecb6ca3b4db9878821fd3b2f82.bin was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Octo payload

Octo family

Octo

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

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

Attempts to obfuscate APK file format

Requests dangerous framework permissions

Declares services with permission to bind to the system

Acquires the wake lock

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

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

Declares broadcast receivers with permission to handle system events

Requests accessing notifications (often used to intercept notifications before users become aware).

Performs UI accessibility actions on behalf of the user

Queries the mobile country code (MCC)

Requests modifying system settings.

Reads information about phone network operator.

Makes use of the framework's foreground persistence service

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 23:10

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 accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
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

Requests dangerous framework permissions

Description Indicator Process Target
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 to receive SMS messages. android.permission.RECEIVE_SMS 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 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 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 application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 23:10

Reported

2024-11-09 23:13

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

151s

Command Line

com.sgakagak.agakagabs

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

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

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin N/A N/A
N/A /data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin N/A N/A
N/A /data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin 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.findAccessibilityNodeInfosByViewId N/A N/A
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 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

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 accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

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

Processes

com.sgakagak.agakagabs

/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.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 mansplainu.top udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 chillaxio.top udp
US 1.1.1.1:53 sporkly.top udp
US 1.1.1.1:53 frenemyq.top udp
US 1.1.1.1:53 glampingaz.top udp
US 1.1.1.1:53 workaholkc.top udp
US 1.1.1.1:53 ginormusj.top udp
US 172.86.86.152:443 sporkly.top tcp
US 1.1.1.1:53 infoglo.top udp
US 1.1.1.1:53 gluttonyd.top udp
US 1.1.1.1:53 spanglix.top udp
US 1.1.1.1:53 blogosphze.top udp
US 1.1.1.1:53 eorldekorasyonbiz.top udp
US 45.61.141.100:443 eorldekorasyonbiz.top tcp
GB 216.58.204.78:443 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 edutainmt.top udp
US 1.1.1.1:53 spaghettom.top udp
US 1.1.1.1:53 fleekyp.top udp
US 1.1.1.1:53 electrohu.top udp
US 1.1.1.1:53 mockumnt.top udp
US 1.1.1.1:53 brunchxy.top udp
US 172.86.86.152:443 brunchxy.top tcp
US 1.1.1.1:53 brunchxy.top udp
US 172.86.86.152:443 brunchxy.top tcp
US 1.1.1.1:53 brunchxy.top udp
US 172.86.86.152:443 brunchxy.top tcp
US 1.1.1.1:53 brunchxy.top udp
US 172.86.86.152:443 brunchxy.top tcp
US 1.1.1.1:53 staycatzu.top udp
US 1.1.1.1:53 sporkly.top udp
US 172.86.86.152:443 sporkly.top tcp
US 45.61.141.100:443 eorldekorasyonbiz.top tcp
US 1.1.1.1:53 hangryv.top udp
US 1.1.1.1:53 smoggyu.top udp
US 1.1.1.1:53 brunchxy.top udp
US 45.61.141.100:443 eorldekorasyonbiz.top tcp
US 172.86.86.152:443 brunchxy.top tcp

Files

/data/data/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin

MD5 9237f9a5f6b5b07cd668293cb5f612d1
SHA1 b673f5950c1f5c5cfa3bfe46484098610cb57b14
SHA256 bc91a52eb6367777b53562dec2eb1a8d46d275ffd29573b3e7d6d1305353f16c
SHA512 ed6c9b10dc26b75c0337068131c2a5c674ed389a3e3be194951de566cb3953026e4e6456d6e0e185e2c1d823448c97e4d32add6ce8b31b64e9057d3894c1cf1c

/data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin

MD5 0f63fa66f97ddfab75a6fb22a0c849dc
SHA1 fd9d18cbbfe2a1be656291181ced1058e41bedc6
SHA256 7bf6dbad4597ea5dba33fe3f280329b8e258fa9e26caaf5258cd97da4ea4b5f6
SHA512 7953227b453283b8148923f136180b97db73a2ac5122534bbdae833be0acc8d5f0e9f0a0518a9aaf2625a0120aeb6bb1048856fab841846f6a418ae68ad96b06

/data/data/com.sgakagak.agakagabs/kl.txt

MD5 84eb24d0eaeed61f87c8a7d99d436cbe
SHA1 6e000a97f3b0c6068f145bb7d477a4d9be7c3d1b
SHA256 c4e58e00945ed6b50ba8d6c59b893b988aaf977cbc481b58557495c703ef895b
SHA512 09e294d9ec6b07bb2802c0816a54bfde03db7538177c3065ab4486ac0f6364016f9866158365f557371be3b605e9bfcadb5fda001cac0a54a52a30e62d6e7fd7

/data/data/com.sgakagak.agakagabs/kl.txt

MD5 6d041a2e9188ef459ac32c968a68c624
SHA1 4d1b3e30273f3545ed520dabeb15ee28bfd0caee
SHA256 a1f2278ba2599e91e78f4cde3634cace693e7725e8184f75ed8ef27a2f4bf9f8
SHA512 d24e5c68a99ddbdf83d29a162f8cab84506947677afe54380c56f194dc677d0fc5dced01a9fe422b2ecf8ad3514c4315422f79b8bf15aabf252a86b5450299f6

/data/data/com.sgakagak.agakagabs/kl.txt

MD5 437eb061c7cf02ba4f8a9b0b9b645c1b
SHA1 d7d3880256e87002f992cab98570dfe0b46804ce
SHA256 50d27ef51d903c839f401f34d37498bfd38529ff1b0e84010fd884684571ed7c
SHA512 396d42b7426d4862fc540717284504f1fb4670bd4136d2a8d17887325571a0aea7bdcede8e9dab0db75fdb5b2d8bfda15935fe628490b164c236b29f02ac7ac3

/data/data/com.sgakagak.agakagabs/kl.txt

MD5 78cc676996dde5a5a8999a16f7b4c356
SHA1 c66808f3eecbba7d8275ce1515959630fcbe8af0
SHA256 8b547f59728855ec4a8b1b7c58cad50b214b640b33d49be51caabf6cbb36a108
SHA512 2cc423730b7d56145ce38679fa60cf9bcb3e850de30e627f87754c3f97f9e5670ec657365906f6080784d6e84fb82aeb2206ddb20a8a40c90249e2e7812f4640

/data/data/com.sgakagak.agakagabs/kl.txt

MD5 5898f3516697abc96de45c8667eee4a6
SHA1 497b8f0a2a5de26ef4f7e8ee4d62806c9c554ae3
SHA256 2cab5a93374e3cad6d526597f98a7575ec25f9d3a52fd6735ac59d9720eb0b1e
SHA512 9ce18b5e4816c1951f2ea95e33e5907c0e892e913c8dda88e6cc2c65bad0a79e359a604c2feae53b5087f259c5733ee31fcb3e5a8eb99b64f47dbf87c8b3b2bf

/data/data/com.sgakagak.agakagabs/.qcom.sgakagak.agakagabs

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 23:10

Reported

2024-11-09 23:13

Platform

android-33-x64-arm64-20240624-en

Max time kernel

147s

Max time network

138s

Command Line

com.sgakagak.agakagabs

Signatures

Octo

banker trojan infostealer rat octo

Octo family

octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin 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.findAccessibilityNodeInfosByViewId 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 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

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

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS 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

Processes

com.sgakagak.agakagabs

Network

Country Destination Domain Proto
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 workaholkc.top udp
US 1.1.1.1:53 spaghettom.top udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 ginormusj.top udp
US 1.1.1.1:53 gluttonyd.top udp
US 1.1.1.1:53 mockumnt.top udp
US 1.1.1.1:53 edutainmt.top udp
US 1.1.1.1:53 blogosphze.top udp
US 1.1.1.1:53 eorldekorasyonbiz.top udp
US 1.1.1.1:53 sporkly.top udp
US 45.61.141.100:443 eorldekorasyonbiz.top tcp
US 172.86.86.152:443 sporkly.top tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.206:443 android.apis.google.com tcp
GB 216.58.212.206:443 android.apis.google.com tcp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 142.250.200.35:443 tcp
US 172.64.41.3:443 udp
GB 142.250.200.35:443 udp
GB 142.250.200.36:443 tcp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp
GB 142.250.200.36:443 tcp
GB 216.58.204.68:443 tcp
GB 142.250.200.36:443 tcp
US 1.1.1.1:53 sporkly.top udp
US 172.86.86.152:443 sporkly.top tcp
US 172.86.86.152:443 sporkly.top tcp
US 1.1.1.1:53 sporkly.top udp
US 172.86.86.152:443 sporkly.top tcp

Files

/data/data/com.sgakagak.agakagabs/app_apkprotector_dex/classes-v1.bin

MD5 9237f9a5f6b5b07cd668293cb5f612d1
SHA1 b673f5950c1f5c5cfa3bfe46484098610cb57b14
SHA256 bc91a52eb6367777b53562dec2eb1a8d46d275ffd29573b3e7d6d1305353f16c
SHA512 ed6c9b10dc26b75c0337068131c2a5c674ed389a3e3be194951de566cb3953026e4e6456d6e0e185e2c1d823448c97e4d32add6ce8b31b64e9057d3894c1cf1c

/data/data/com.sgakagak.agakagabs/.qcom.sgakagak.agakagabs

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c