Malware Analysis Report

2024-09-09 13:46

Sample ID 240601-1783zshc83
Target 9791904a518f3d03988736596994d89fe6ee2b94ce571a6ddd796c61ea8b46ed.bin
SHA256 9791904a518f3d03988736596994d89fe6ee2b94ce571a6ddd796c61ea8b46ed
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

9791904a518f3d03988736596994d89fe6ee2b94ce571a6ddd796c61ea8b46ed

Threat Level: Known bad

The file 9791904a518f3d03988736596994d89fe6ee2b94ce571a6ddd796c61ea8b46ed.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

Requests modifying system settings.

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

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

Makes use of the framework's Accessibility service

Prevents application removal

Queries the mobile country code (MCC)

Loads dropped Dex/Jar

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

Makes use of the framework's foreground persistence service

Queries the phone number (MSISDN for GSM devices)

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

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

Declares services with permission to bind to the system

Reads information about phone network operator.

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

Acquires the wake lock

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-01 22:18

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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
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

2024-06-01 22:18

Reported

2024-06-01 22:21

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

154s

Command Line

com.turnfeetxw

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.turnfeetxw/cache/johhvywdhkjbodg N/A N/A
N/A /data/user/0/com.turnfeetxw/cache/johhvywdhkjbodg 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.turnfeetxw

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.212.227:443 tcp
US 1.1.1.1:53 moneyeurolandscans.net udp
US 1.1.1.1:53 moneyeurolanddelicim.net udp
US 1.1.1.1:53 moneyeurolandbebek.net udp
BG 79.110.49.131:443 moneyeurolandbebek.net tcp
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 moneyeurolandbabis.net udp
US 1.1.1.1:53 moneyeuroland.net udp
BG 79.110.49.131:443 moneyeuroland.net tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
BG 79.110.49.131:443 moneyeuroland.net tcp
GB 142.250.200.46:443 tcp
GB 142.250.180.2:443 tcp
BG 79.110.49.131:443 moneyeuroland.net tcp

Files

/data/data/com.turnfeetxw/cache/johhvywdhkjbodg

MD5 c05b871c1f3568d71f964f016a8243c5
SHA1 e14498aab8ab85dfc1e577f9bab52dcc38627b06
SHA256 b7bce6f970b62fca9f96ff9e8b0daf1997dd1b26de99f6504e1305b31e81c193
SHA512 a14a7c70dd3b451db89cb998e41d5c8c4b03ceaff5f0374e80a071c15ebf801441a2420510fbc1c956112db198bcab379e65834cc0e6d36333f08e324c51033e

/data/data/com.turnfeetxw/cache/oat/johhvywdhkjbodg.cur.prof

MD5 8b131abed04855df0127a32eece5fc04
SHA1 1c7517b90a66dda0e50ba0c3c5641b5c841aa5ab
SHA256 179c20f28e79a926de2a6979f173814db59c8b859150c77ea88af679f777e77c
SHA512 880890205cde42d7a4649727b5c708bcc767fb4ab869ec8d20137d6b9ac24d1fa297d8f9aae427b6c6b5652c9cda830e1b7b8036e3447f9da7e4e9ed7ab212d5

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 22:18

Reported

2024-06-01 22:21

Platform

android-x64-20240514-en

Max time kernel

76s

Max time network

179s

Command Line

com.turnfeetxw

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.turnfeetxw/cache/johhvywdhkjbodg N/A N/A
N/A /data/user/0/com.turnfeetxw/cache/johhvywdhkjbodg 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.turnfeetxw

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 142.250.187.232:443 ssl.google-analytics.com tcp
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 moneyeuroland.net udp
BG 79.110.49.131:443 moneyeuroland.net tcp
US 1.1.1.1:53 moneyeurolandscans.net udp
US 1.1.1.1:53 moneyeurolandbabis.net udp
US 1.1.1.1:53 moneyeurolanddelicim.net udp
US 1.1.1.1:53 moneyeurolandbebek.net udp
BG 79.110.49.131:443 moneyeurolandbebek.net tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.187.238:443 tcp
GB 142.250.200.2:443 tcp
GB 172.217.169.10:443 tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
GB 172.217.169.10:443 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 142.250.200.10:443 g.tenor.com tcp
BG 79.110.49.131:443 moneyeurolandbebek.net tcp

Files

/data/data/com.turnfeetxw/cache/johhvywdhkjbodg

MD5 c05b871c1f3568d71f964f016a8243c5
SHA1 e14498aab8ab85dfc1e577f9bab52dcc38627b06
SHA256 b7bce6f970b62fca9f96ff9e8b0daf1997dd1b26de99f6504e1305b31e81c193
SHA512 a14a7c70dd3b451db89cb998e41d5c8c4b03ceaff5f0374e80a071c15ebf801441a2420510fbc1c956112db198bcab379e65834cc0e6d36333f08e324c51033e

/data/data/com.turnfeetxw/cache/oat/johhvywdhkjbodg.cur.prof

MD5 cbacb3ccfff0204d2ab6e4aa8a09b5e0
SHA1 9184d2fea9d4cc5ea1517a4db6456f1fa15d829a
SHA256 5c6d2adc500608892235312e423fac6bbd52e925fec3ce373f01243fb6bc0878
SHA512 a72b4606108da857af1e9369de781d1905f97a0f8a08efed2c1539fad7e7e38a23bd7f00b90f14f9ec9b43a3e4e7ba6db4430cb6329fce9b1d7615740f3d5ffd