Malware Analysis Report

2024-09-09 13:48

Sample ID 240630-1wrpkazfpj
Target 53da2c362cd003178b03f30a8c24d6f127c0357996c7c21d4fffea6a5f90fae9.bin
SHA256 53da2c362cd003178b03f30a8c24d6f127c0357996c7c21d4fffea6a5f90fae9
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 Matrix

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

53da2c362cd003178b03f30a8c24d6f127c0357996c7c21d4fffea6a5f90fae9

Threat Level: Known bad

The file 53da2c362cd003178b03f30a8c24d6f127c0357996c7c21d4fffea6a5f90fae9.bin was found to be: Known bad.

Malicious Activity Summary

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

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)

Reads information about phone network operator.

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

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

Requests modifying system settings.

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Acquires the wake lock

Makes use of the framework's foreground persistence service

Performs UI accessibility actions on behalf of the user

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

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

2024-06-30 22:00

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: behavioral1

Detonation Overview

Submitted

2024-06-30 22:00

Reported

2024-06-30 22:05

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

187s

Command Line

com.darkstrong97

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.darkstrong97/cache/udgjfe N/A N/A
N/A /data/user/0/com.darkstrong97/cache/udgjfe 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.darkstrong97

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.213.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 biribasganidurdursunn.com udp
US 1.1.1.1:53 basgaaanpompaaa.com udp
US 1.1.1.1:53 basgaancosturuyor.com udp
US 1.1.1.1:53 usomukarimyaptimbasgaaan.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.10:443 semanticlocation-pa.googleapis.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
US 1.1.1.1:53 bassganndomaingitti.com udp
US 1.1.1.1:53 usomapompaliyorum.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp

Files

/data/data/com.darkstrong97/cache/udgjfe

MD5 fd902b96a6ee14a03d5e51f3322a9d91
SHA1 d416721a7d86f4073caa110b7f27b61cfe770489
SHA256 a6cd036d0d7cd1bdf50c03f7a4d06f6aa8ac13b3bd88628164d26125cac85e8e
SHA512 ab8aae2635123b69a2166ca929daf37dd1baee96a3633319d350d4d5fee41a56be356ad91ec1f26cf24a31723fd0d578b734c6364391a8c7280814d3f2ce2c5d

/data/data/com.darkstrong97/cache/oat/udgjfe.cur.prof

MD5 bfdc0feb531eee77c90f26a329fd0186
SHA1 33748dd56faa4189a85d0115305f1f02e48ee879
SHA256 51738e79b0251cade5c85a42b7ba6feabf32eb1c190582ad31a3e93341b489f3
SHA512 f84f366e0a18aa4dfd9a6da51f726a002b77809161a49ec42d24f6a7e28ed3a9b5d17b77aef5e5d4a88d3cfde1dce875cd14e39037b3caf98b29dedc12dde4a3

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-30 22:00

Reported

2024-06-30 22:05

Platform

android-x64-20240624-en

Max time kernel

72s

Max time network

185s

Command Line

com.darkstrong97

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.darkstrong97/cache/udgjfe N/A N/A
N/A /data/user/0/com.darkstrong97/cache/udgjfe 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.darkstrong97

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 bassganndomaingitti.com udp
US 1.1.1.1:53 usomukarimyaptimbasgaaan.com udp
US 1.1.1.1:53 usomapompaliyorum.com udp
US 1.1.1.1:53 biribasganidurdursunn.com udp
US 1.1.1.1:53 basgaancosturuyor.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
US 1.1.1.1:53 basgaaanpompaaa.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
GB 142.250.200.34:443 tcp
GB 216.58.204.78:443 tcp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
US 1.1.1.1:53 g.tenor.com udp
GB 216.58.201.106:443 g.tenor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp

Files

/data/data/com.darkstrong97/cache/udgjfe

MD5 fd902b96a6ee14a03d5e51f3322a9d91
SHA1 d416721a7d86f4073caa110b7f27b61cfe770489
SHA256 a6cd036d0d7cd1bdf50c03f7a4d06f6aa8ac13b3bd88628164d26125cac85e8e
SHA512 ab8aae2635123b69a2166ca929daf37dd1baee96a3633319d350d4d5fee41a56be356ad91ec1f26cf24a31723fd0d578b734c6364391a8c7280814d3f2ce2c5d

/data/data/com.darkstrong97/cache/oat/udgjfe.cur.prof

MD5 f5266227fa4d554b969c5f32e7e7fa9a
SHA1 7ceac7ba176e2fe516ca565f472ab2df9a26f2fd
SHA256 572818da3ebf042ee9e502c608170543c70385ca9f1e5c6b2ddd653feab27b30
SHA512 2906da368b94ce0dc3db991e7f77e122c2b3d2e01eb5c3b3d5b5681375cc89f83c35a1c45b1103ea3ef2f08ab9e8db66bd043d235fcda473f9ec527e6cfcc16f