Malware Analysis Report

2024-09-09 13:50

Sample ID 240710-1xz3bsvcrf
Target 74a7eafbb4cdb1fbd446025fa54bbbc69004917abca432b4cdcd06a8cbdf1413.bin
SHA256 74a7eafbb4cdb1fbd446025fa54bbbc69004917abca432b4cdcd06a8cbdf1413
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat trojan stealth
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

74a7eafbb4cdb1fbd446025fa54bbbc69004917abca432b4cdcd06a8cbdf1413

Threat Level: Known bad

The file 74a7eafbb4cdb1fbd446025fa54bbbc69004917abca432b4cdcd06a8cbdf1413.bin was found to be: Known bad.

Malicious Activity Summary

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

Octo

Octo payload

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

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)

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

Requests dangerous framework permissions

Reads information about phone network operator.

Declares services with permission to bind to the system

Requests modifying system settings.

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

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

Performs UI accessibility actions on behalf of the user

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

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

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-10 22:02

Signatures

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 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 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 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
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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 22:02

Reported

2024-07-10 22:09

Platform

android-x64-20240624-en

Max time kernel

65s

Max time network

187s

Command Line

com.takefind77

Signatures

Octo

banker trojan infostealer rat 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.takefind77/cache/rdhzb N/A N/A
N/A /data/user/0/com.takefind77/cache/rdhzb 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

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.takefind77

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 kesmecekarpuz5446.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 kesmecekarpuz8455.com udp
US 1.1.1.1:53 kesmecekarpuz145.com udp
US 1.1.1.1:53 kesmecekarpuz.com udp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
US 1.1.1.1:53 kesmecekarpuz878.com udp
RU 193.143.1.9:443 kesmecekarpuz.com 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
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
US 1.1.1.1:53 kesmecekarpuz.site udp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
GB 172.217.16.238:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.180.3:443 tcp
GB 142.250.180.3:443 tcp
US 216.239.32.223:443 tcp
BE 142.251.168.188:5228 tcp
US 216.239.32.223:443 tcp
GB 142.250.200.14:443 android.apis.google.com tcp
US 1.1.1.1:53 g.tenor.com udp
GB 142.250.200.42:443 g.tenor.com tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
GB 173.194.76.84:443 accounts.google.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp

Files

/data/data/com.takefind77/cache/rdhzb

MD5 fe13fdb21f900ad17a9f3e4aca299fa0
SHA1 c007d4bfa48005e124fe9c492610ae200cffe09a
SHA256 c768ab6b723fabbbb9473d02e54989acffdb45b95b38e1eed6036079eaf7ccc8
SHA512 30ef9beb3c9620bb62d65f76ba87da0c0e89f308f9b939c345aff7325bd6adb4e1e7bcf554d973134f0ec3048c119b612df488b703185c010da598a8305c01a4

/data/data/com.takefind77/cache/oat/rdhzb.cur.prof

MD5 b8f42e58a288f9b5dafbf8a3213628ff
SHA1 b12e31c9cd6b4e71e48bc2146a2c135b82a75130
SHA256 f5198a145462364cccc68a5bd01a8bf6806b811c3247ae2fbb35b7627ece5acc
SHA512 c6f09a8f07d1dac03b5300dbcaff1ec73cd497d682c683d38bea37e5ab34c5fbc21db4204d002be65cdc7acb01c9bb6358a1fd9eb5b566d83edf59bd90a764c6

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 22:02

Reported

2024-07-10 22:10

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

183s

Command Line

com.takefind77

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
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.takefind77/cache/rdhzb N/A N/A
N/A /data/user/0/com.takefind77/cache/rdhzb 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

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

discovery

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

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.takefind77

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 kesmecekarpuz.com udp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
US 1.1.1.1:53 kesmecekarpuz8455.com udp
US 1.1.1.1:53 kesmecekarpuz5446.com udp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
US 1.1.1.1:53 kesmecekarpuz878.com udp
US 1.1.1.1:53 kesmecekarpuz.site udp
US 1.1.1.1:53 kesmecekarpuz145.com udp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp
RU 193.143.1.9:443 kesmecekarpuz.com tcp

Files

/data/data/com.takefind77/cache/rdhzb

MD5 fe13fdb21f900ad17a9f3e4aca299fa0
SHA1 c007d4bfa48005e124fe9c492610ae200cffe09a
SHA256 c768ab6b723fabbbb9473d02e54989acffdb45b95b38e1eed6036079eaf7ccc8
SHA512 30ef9beb3c9620bb62d65f76ba87da0c0e89f308f9b939c345aff7325bd6adb4e1e7bcf554d973134f0ec3048c119b612df488b703185c010da598a8305c01a4

/data/data/com.takefind77/cache/oat/rdhzb.cur.prof

MD5 379a0c85245bb11e09302c6805772e5e
SHA1 d3cbd2214c68d3173c7809b297dcbe8b92c0ea48
SHA256 9228eb7dcd78699d3cd340ee0b1f230e896e1a778ff6656b144f9e40ab4443ab
SHA512 7418c9a2e2839d4f89000d66ed7bd80925f2cf6d56b4540980aed10dadaa4d747305e9351fb20c3ca872093f0c17660f9ce8387dc90d5dda813d0076e31cb51a