Malware Analysis Report

2024-09-09 13:44

Sample ID 240515-jrt6fsga83
Target 838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b.bin
SHA256 838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b
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

838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b

Threat Level: Known bad

The file 838d6dd49693cdc1c25d72978c4f6ce54953103452f45fff609c16ecd489ea4b.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

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

Makes use of the framework's Accessibility service

Prevents application removal

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

Removes its main activity from the application launcher

Makes use of the framework's foreground persistence service

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Loads dropped Dex/Jar

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

Declares services with permission to bind to the system

Acquires the wake lock

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

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

Requests dangerous framework permissions

Reads information about phone network operator.

Declares broadcast receivers with permission to handle system events

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-15 07:54

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 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

2024-05-15 07:54

Reported

2024-05-15 07:57

Platform

android-x86-arm-20240514-en

Max time kernel

178s

Max time network

144s

Command Line

com.marktravelrbmg

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A 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

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Removes its main activity from the application launcher

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

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.marktravelrbmg/cache/tghlzrdeisaq N/A N/A
N/A /data/user/0/com.marktravelrbmg/cache/tghlzrdeisaq 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

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 phone number (MSISDN for GSM devices)

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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

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

discovery

Reads information about phone network operator.

discovery

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

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.marktravelrbmg

Network

Country Destination Domain Proto
GB 142.250.200.42:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.169.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 riltshuv.top udp
US 1.1.1.1:53 yampdrik.top udp
DE 91.195.240.123:443 riltshuv.top tcp
US 1.1.1.1:53 quoxvebz.top udp
US 1.1.1.1:53 kervplun.xyz udp
DE 91.195.240.123:443 kervplun.xyz tcp
US 1.1.1.1:53 mixylozt.xyz udp
DE 91.195.240.123:443 kervplun.xyz tcp
US 1.1.1.1:53 vempyurt.xyz udp
US 192.64.119.220:443 vempyurt.xyz tcp
DE 91.195.240.123:443 kervplun.xyz tcp
US 1.1.1.1:53 zoxtneep.xyz udp
US 1.1.1.1:53 dyltwerm.xyz udp
US 192.64.119.138:443 dyltwerm.xyz tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 192.64.119.138:443 dyltwerm.xyz tcp
US 1.1.1.1:53 dultzown.top udp
DE 91.195.240.123:443 dultzown.top tcp
US 1.1.1.1:53 zorbpuft.xyz udp
DE 91.195.240.123:443 dultzown.top tcp
US 192.64.119.138:443 dyltwerm.xyz tcp
US 1.1.1.1:53 glaxwimb.xyz udp
US 1.1.1.1:53 bontmawy.xyz udp
US 1.1.1.1:53 vikexems.top udp
US 1.1.1.1:53 fruljilk.top udp
DE 91.195.240.123:443 dultzown.top tcp
US 1.1.1.1:53 hifkxarp.xyz udp
DE 91.195.240.123:443 hifkxarp.xyz tcp
US 192.64.119.220:443 vempyurt.xyz tcp
US 1.1.1.1:53 zirbnarg.top udp
TR 178.215.236.54:443 zirbnarg.top tcp
TR 178.215.236.54:443 zirbnarg.top tcp
TR 178.215.236.54:443 zirbnarg.top tcp
US 1.1.1.1:53 sirljufi.top udp
US 1.1.1.1:53 hozzkwor.top udp
DE 91.195.240.123:443 hifkxarp.xyz tcp
US 1.1.1.1:53 wustyelk.top udp
DE 91.195.240.123:443 wustyelk.top tcp
US 1.1.1.1:53 jilepofk.xyz udp
DE 91.195.240.123:443 jilepofk.xyz tcp
DE 91.195.240.123:443 jilepofk.xyz tcp
TR 178.215.236.54:443 zirbnarg.top tcp
DE 91.195.240.123:443 jilepofk.xyz tcp
TR 178.215.236.54:443 zirbnarg.top tcp
TR 178.215.236.54:443 zirbnarg.top tcp

Files

/data/data/com.marktravelrbmg/cache/tghlzrdeisaq

MD5 7d9b0b0bb0b0370214b65025e8cf4f8f
SHA1 83d37543b202e5d361bf3510739b8896373fa4b6
SHA256 675dbf715e9ba1c664ec082d345303dc4440feaf5be49d5f9824730bea1dbc63
SHA512 3ee97cedfc1ef3c88d7076353b98b94ce90910d8839d0acdb447d8f1481440bbe634e7114b69b71677ff49f31df53ef6717d788400ebc9eda067353b07d7fa57

/data/data/com.marktravelrbmg/cache/oat/tghlzrdeisaq.cur.prof

MD5 07fbc688eb720f24b0cc7d42576fcb3f
SHA1 9bdad13335fa48b9959c654f90bd90c810c6d8db
SHA256 b09b1792876ccc781f6b4c1cb2fb892181526842249ff3349b9ad6f62af98b70
SHA512 ff0eed64912ed523b484737b61c5865a3fc723cfae3f587ea60d50d38e6c0a803afe85627456063083d978d4f3744fe3419a02e8ff04e1940a44ea46a4b69516

/data/data/com.marktravelrbmg/.qcom.marktravelrbmg

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-15 07:54

Reported

2024-05-15 07:58

Platform

android-x64-20240514-en

Max time kernel

66s

Max time network

225s

Command Line

com.marktravelrbmg

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A 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

Prevents application removal

evasion
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction 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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.marktravelrbmg/cache/tghlzrdeisaq N/A N/A
N/A /data/user/0/com.marktravelrbmg/cache/tghlzrdeisaq 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

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 phone number (MSISDN for GSM devices)

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

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Reads information about phone network operator.

discovery

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.marktravelrbmg

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 zoxtneep.xyz udp
US 1.1.1.1:53 zirbnarg.top udp
US 1.1.1.1:53 zorbpuft.xyz udp
US 1.1.1.1:53 dyltwerm.xyz udp
US 192.64.119.138:443 dyltwerm.xyz tcp
TR 178.215.236.54:443 zirbnarg.top tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
GB 142.250.187.238:443 tcp
GB 142.250.200.2:443 tcp
US 1.1.1.1:53 dultzown.top udp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
US 1.1.1.1:53 riltshuv.top udp
DE 91.195.240.123:443 riltshuv.top tcp
US 1.1.1.1:53 jilepofk.xyz udp
DE 91.195.240.123:443 jilepofk.xyz tcp
US 1.1.1.1:53 hifkxarp.xyz udp
DE 91.195.240.123:443 hifkxarp.xyz tcp
US 1.1.1.1:53 wustyelk.top udp
DE 91.195.240.123:443 wustyelk.top tcp
US 1.1.1.1:53 glaxwimb.xyz udp
US 1.1.1.1:53 mixylozt.xyz udp
US 1.1.1.1:53 kervplun.xyz udp
DE 91.195.240.123:443 kervplun.xyz tcp
US 1.1.1.1:53 vempyurt.xyz udp
US 192.64.119.220:443 vempyurt.xyz tcp
US 192.64.119.138:443 dyltwerm.xyz tcp
US 192.64.119.138:443 dyltwerm.xyz tcp

Files

/data/data/com.marktravelrbmg/cache/tghlzrdeisaq

MD5 7d9b0b0bb0b0370214b65025e8cf4f8f
SHA1 83d37543b202e5d361bf3510739b8896373fa4b6
SHA256 675dbf715e9ba1c664ec082d345303dc4440feaf5be49d5f9824730bea1dbc63
SHA512 3ee97cedfc1ef3c88d7076353b98b94ce90910d8839d0acdb447d8f1481440bbe634e7114b69b71677ff49f31df53ef6717d788400ebc9eda067353b07d7fa57

/data/data/com.marktravelrbmg/cache/oat/tghlzrdeisaq.cur.prof

MD5 2bed9bc16bfab4c59ce48a47208192fc
SHA1 10e00194c5f98ec2c376eede4e25c23d0b28280e
SHA256 543f2d830d7bb8b2cef6cee2f2b4228c1945b70ae965e0a2fde5541bb6c28cc1
SHA512 b0a5781eb4020120ec9e9dd06302a640d0eff935f4d9657d3f3dff34e065375f1a44a39bef25846497097e9cdf0109028e2bd3ca0f4b887b971d1c53b83fe30d