Malware Analysis Report

2024-09-09 13:44

Sample ID 240519-1wth6aca53
Target 077ee20f09360e655099212935433e2ef61e99c52dd0597757ee6161795ed242.bin
SHA256 077ee20f09360e655099212935433e2ef61e99c52dd0597757ee6161795ed242
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

077ee20f09360e655099212935433e2ef61e99c52dd0597757ee6161795ed242

Threat Level: Known bad

The file 077ee20f09360e655099212935433e2ef61e99c52dd0597757ee6161795ed242.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

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

Prevents application removal

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

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

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)

Makes use of the framework's foreground persistence service

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Reads information about phone network operator.

Declares services with permission to bind to the system

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

Acquires the wake lock

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-19 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 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

2024-05-19 22:00

Reported

2024-05-19 22:06

Platform

android-x86-arm-20240514-en

Max time kernel

178s

Max time network

159s

Command Line

com.surfacestop80

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.surfacestop80/cache/cduiipipgujjrxf N/A N/A
N/A /data/user/0/com.surfacestop80/cache/cduiipipgujjrxf 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.surfacestop80

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 www.google.com udp
GB 142.250.200.36:443 www.google.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 5sonamanoastudio.com udp
US 1.1.1.1:53 4sonamanoastudio.com udp
US 1.1.1.1:53 6sonamanoastudio.com udp
US 1.1.1.1:53 2sonamanoastudio.com udp
US 1.1.1.1:53 sonamanoastudio.com udp
TR 45.88.91.138:443 sonamanoastudio.com tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp

Files

/data/data/com.surfacestop80/cache/cduiipipgujjrxf

MD5 b869c43eefd480ed0e9cbaeeab14911f
SHA1 fbca8e416802551ddad0a781b017766bcc579703
SHA256 5bbcbcdd257d5c7929e9db56d995f1ccb66cdb8e30af15d9fbcec36eeef7f3c4
SHA512 f887bb3ed3d9b7e6d31177c438efb3d09fc2b971254ab9d0ce980553339662a0cfb56e039ec68bc622fa723acad4ed8c24eabe3b7fca04f45b5c406b64aa0a7b

/data/data/com.surfacestop80/cache/oat/cduiipipgujjrxf.cur.prof

MD5 6c4f50898e075900d6b285f1b71ce39f
SHA1 af6cce23ed963c0082cc0d2228d3a379804790d3
SHA256 f195ca25840f8d7a068f005501ec367c184569d1c5f5f4300cced7cca9c5d0eb
SHA512 a013925ff89bcbc6375f003dcc2678290f6e8796be5a27680857652361570fc207c70c0a178f5b2ba9e259c9bf59ed888fb4b1618e2234619e4615408347d483

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-19 22:00

Reported

2024-05-19 22:06

Platform

android-x64-20240514-en

Max time kernel

179s

Max time network

167s

Command Line

com.surfacestop80

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.surfacestop80/cache/cduiipipgujjrxf N/A N/A
N/A /data/user/0/com.surfacestop80/cache/cduiipipgujjrxf 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.surfacestop80

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.ip-api.com udp
US 1.1.1.1:53 sonamanoastudio.com udp
US 208.95.112.1:80 www.ip-api.com tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp
US 1.1.1.1:53 4sonamanoastudio.com udp
US 1.1.1.1:53 2sonamanoastudio.com udp
TR 45.88.91.138:443 sonamanoastudio.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.200.42:443 semanticlocation-pa.googleapis.com tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 172.217.16.226:443 tcp
TR 45.88.91.138:443 sonamanoastudio.com tcp

Files

/data/data/com.surfacestop80/cache/cduiipipgujjrxf

MD5 b869c43eefd480ed0e9cbaeeab14911f
SHA1 fbca8e416802551ddad0a781b017766bcc579703
SHA256 5bbcbcdd257d5c7929e9db56d995f1ccb66cdb8e30af15d9fbcec36eeef7f3c4
SHA512 f887bb3ed3d9b7e6d31177c438efb3d09fc2b971254ab9d0ce980553339662a0cfb56e039ec68bc622fa723acad4ed8c24eabe3b7fca04f45b5c406b64aa0a7b

/data/data/com.surfacestop80/cache/oat/cduiipipgujjrxf.cur.prof

MD5 c9c36fd4b5c6ed8b3f26e1e8e4b00991
SHA1 68d70e746510f5c8a1032257f65723c0cb499a4d
SHA256 dec15ccf26fbdeacf1b2e8c9e8a1e833987faa5a32951e7f262d73d405c3ca02
SHA512 ce07a17388e4bad4ac92246967a799962389780ea2cc07a15849699c130760f69891d4ab908ee581dba7ebac8d3f94e90a3564672e0a366396adc3ffdd593c91

/data/data/com.surfacestop80/cache/oat/cduiipipgujjrxf.cur.prof

MD5 fcf03481d0da6f11ae33725e64506175
SHA1 c9aba734ce450f693bde456c3572a3bcda25cf51
SHA256 78734e7e229cba4e3191d619b393eaf49d596ad2572805dcc23089cd33d6c57e
SHA512 1502e57f34240628e64fbf4a8e263e028c66d6652e16e770bf31fba902a6817b069b1a2f34762a13445e7e53efa42c0c809a7fd58809dba093b9b4ec165ce2cd