Malware Analysis Report

2024-07-28 12:10

Sample ID 240612-xqwvjszenr
Target df65036d5c0b63fc6089d96df3f11b470d042e3a3db5e8bc3daae00022a39e3c.bin
SHA256 df65036d5c0b63fc6089d96df3f11b470d042e3a3db5e8bc3daae00022a39e3c
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

df65036d5c0b63fc6089d96df3f11b470d042e3a3db5e8bc3daae00022a39e3c

Threat Level: Known bad

The file df65036d5c0b63fc6089d96df3f11b470d042e3a3db5e8bc3daae00022a39e3c.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

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

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Performs UI accessibility actions on behalf of the user

Acquires the wake lock

Makes use of the framework's foreground persistence service

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

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

Requests modifying system settings.

Declares services with permission to bind to the system

Queries the mobile country code (MCC)

Requests dangerous framework permissions

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

Declares broadcast receivers with permission to handle system events

Reads information about phone network operator.

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

2024-06-12 19:04

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 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

2024-06-12 19:04

Reported

2024-06-12 19:07

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

166s

Command Line

com.planon97

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.planon97/cache/wmpnkjkknzpg N/A N/A
N/A /data/user/0/com.planon97/cache/wmpnkjkknzpg 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.planon97

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 rabaffet1001.com.tr udp
US 1.1.1.1:53 rabaffet1003.com.tr 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 rabaffet1002.com.tr udp
US 1.1.1.1:53 rabaffet1004.com.tr udp
US 1.1.1.1:53 rabaffet1000.com.tr udp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 216.58.212.234:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp

Files

/data/data/com.planon97/cache/wmpnkjkknzpg

MD5 f225ac9e3f9abfcf5cf5c6210ab7f936
SHA1 c6268cc10c1d01b2a2e3d140aca8ec227639adfd
SHA256 e524e05c6b8525063559be88e406943016c9669b048261bdef8713103c72b1e3
SHA512 b7def03f5c1e3225f153993dd3eaaaf4773659269b9797e7a4f8c0760cb698d0b3cd6bceef91288de265bce457ab02dcaf06207941abfbbb93cf902b52244cac

/data/data/com.planon97/cache/oat/wmpnkjkknzpg.cur.prof

MD5 dfe6076b8b5f18727b46b4fa77400365
SHA1 8119f913408203d6afa9803ac5c7d14c0e6423d5
SHA256 5461928ad3a3317752a7cd1140bccb46963580ecd4d02574e69eb7e569536031
SHA512 1c1a7c7d6f1ecbb51682792f7b699b400763c22058505faaf57945c07d6ab9ee6e581a1dc65ee260b93e35b0a272558e4393a45c388af8d0ac1ba6cdc494caf8

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 19:04

Reported

2024-06-12 19:07

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

61s

Max time network

181s

Command Line

com.planon97

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.planon97/cache/wmpnkjkknzpg 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

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.planon97

Network

Country Destination Domain Proto
GB 172.217.169.68:443 udp
GB 172.217.169.68:443 tcp
BE 142.251.168.188:5228 tcp
GB 142.250.179.228:443 tcp
GB 216.58.204.74:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 udp
GB 216.58.212.227:443 tcp
US 1.1.1.1:53 rabaffet1001.com.tr udp
US 1.1.1.1:53 rabaffet1003.com.tr udp
US 1.1.1.1:53 rabaffet1002.com.tr udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 rabaffet1004.com.tr udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 rabaffet1000.com.tr udp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
GB 172.217.169.68:443 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
TR 45.88.91.176:443 rabaffet1000.com.tr tcp
GB 142.250.179.228:443 tcp
TR 45.88.91.176:443 rabaffet1000.com.tr tcp

Files

/data/user/0/com.planon97/cache/wmpnkjkknzpg

MD5 f225ac9e3f9abfcf5cf5c6210ab7f936
SHA1 c6268cc10c1d01b2a2e3d140aca8ec227639adfd
SHA256 e524e05c6b8525063559be88e406943016c9669b048261bdef8713103c72b1e3
SHA512 b7def03f5c1e3225f153993dd3eaaaf4773659269b9797e7a4f8c0760cb698d0b3cd6bceef91288de265bce457ab02dcaf06207941abfbbb93cf902b52244cac

/data/user/0/com.planon97/cache/oat/wmpnkjkknzpg.cur.prof

MD5 5c98338372223f56dc3e497ce320113c
SHA1 a77ad9b35c43321d56a18e411c3961538b958431
SHA256 ace94a9ee0e7d579d4fffa46ca486a95f0e304292e4008552fabd3ad0e159479
SHA512 9a0f708ee9f9b774a410fdb20d125bf7143f4c8c36f6528c5fa5ec92e036f36ecd90bdbbf61cc8c14b805c0356b7fbdc63eff8043deb202a7e8fc99d46ff010f