Malware Analysis Report

2024-07-28 11:40

Sample ID 240629-1wmqlsxcma
Target 0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9.bin
SHA256 0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9
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

0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9

Threat Level: Known bad

The file 0a42ab6887815857fdaaf0275a2f2c57532fa763bd13e1e4fe466e474a2cdac9.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

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

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)

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

Requests dangerous framework permissions

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

Makes use of the framework's foreground persistence service

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

Requests modifying system settings.

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

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

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

2024-06-29 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 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

2024-06-29 22:00

Reported

2024-06-29 22:03

Platform

android-x86-arm-20240624-en

Max time kernel

58s

Max time network

185s

Command Line

com.doorwent82

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.doorwent82/cache/ykupphtiqb N/A N/A
N/A /data/user/0/com.doorwent82/cache/ykupphtiqb 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.doorwent82

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 basgaancosturuyor.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
US 1.1.1.1:53 basgaaanpompaaa.com udp
US 1.1.1.1:53 bassganndomaingitti.com udp
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
US 1.1.1.1:53 bassganndomaingitti.com udp
GB 216.58.213.10:443 semanticlocation-pa.googleapis.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
US 1.1.1.1:53 usomapompaliyorum.com udp
US 1.1.1.1:53 biribasganidurdursunn.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
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
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.doorwent82/cache/ykupphtiqb

MD5 8c952a0a3fbd41cae9892f319b16832c
SHA1 b09571e00d0998140863b6049c87107e84d335c4
SHA256 c46ddc0138114c6193993157ff1d429f78a5f4a4fbea9c6be713332b3e2548c1
SHA512 a1bcc7579c3743628aadcbc0ab11a545600baaf8a6e6089ef69f49c71231a839395d29f35fac05115a2dea7c150ef92a21f035a6ea71c27aa66c32ffcb39f0de

/data/data/com.doorwent82/cache/oat/ykupphtiqb.cur.prof

MD5 26f9dbf863ea1c8cc4de0c859ead6bce
SHA1 fa0ea5250882d6fc457e0b5053922fd9b7fe5484
SHA256 7e156ddfbe3cffedf6830d846f51a34968ed1523cd4ab5e0abf3ced710957323
SHA512 39034ea1213c450c4611384f133f5cbd15cc65f13ebe45190b1d27ed362c13006d22b91f44bed8dbc071a6cae66ffe4f19b9518677fe21a245d03133562e6131

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 22:00

Reported

2024-06-29 22:03

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

188s

Command Line

com.doorwent82

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.doorwent82/cache/ykupphtiqb N/A N/A
N/A /data/user/0/com.doorwent82/cache/ykupphtiqb 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.doorwent82

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 basgaaanpompaaa.com udp
US 1.1.1.1:53 bassganndomaingitti.com udp
US 1.1.1.1:53 basgaancosturuyor.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
US 1.1.1.1:53 usomukarimyaptimbasgaaan.com udp
US 1.1.1.1:53 biribasganidurdursunn.com udp
RU 193.143.1.9:443 basgaancosturuyor.com tcp
US 1.1.1.1:53 ssl.google-analytics.com 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 216.58.212.238:443 android.apis.google.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
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
US 1.1.1.1:53 www.google.com udp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.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
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 142.250.187.228:443 www.google.com tcp
RU 193.143.1.9:443 basgaancosturuyor.com tcp

Files

/data/data/com.doorwent82/cache/ykupphtiqb

MD5 8c952a0a3fbd41cae9892f319b16832c
SHA1 b09571e00d0998140863b6049c87107e84d335c4
SHA256 c46ddc0138114c6193993157ff1d429f78a5f4a4fbea9c6be713332b3e2548c1
SHA512 a1bcc7579c3743628aadcbc0ab11a545600baaf8a6e6089ef69f49c71231a839395d29f35fac05115a2dea7c150ef92a21f035a6ea71c27aa66c32ffcb39f0de

/data/data/com.doorwent82/cache/oat/ykupphtiqb.cur.prof

MD5 f96057f809befb30ffa5346a7b2aa3d6
SHA1 6a0f659566d4f5c3e35a988ac58d983188dc6ddb
SHA256 d4e1a26af63255d39013351559c4942204f13fe35ffc6189677a72e89c741a1a
SHA512 21fe9d3f3518bc9f1b1d086f90a95b1643ea8e5d00fdc2b3fca212ee0b75fa3a253c9c7aeb379dd0f0ae49c215109e0be76a2197207ac51063ba6416dd77a4e2