Malware Analysis Report

2024-09-09 13:52

Sample ID 240618-2h63rsyape
Target 3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a.bin
SHA256 3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a
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

3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a

Threat Level: Known bad

The file 3f41156f2a4a9c92f46fc449f98e8e3f39b1fa583a2d11c6b8edf94e8e82cc5a.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

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)

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

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

Declares services with permission to bind to the system

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

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

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

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

Requests modifying system settings.

Declares broadcast receivers with permission to handle system events

Acquires the wake lock

Requests dangerous framework permissions

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

2024-06-18 22:35

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

2024-06-18 22:35

Reported

2024-06-18 22:39

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

159s

Command Line

com.lateme4

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.lateme4/cache/ksufdowwy N/A N/A
N/A /data/user/0/com.lateme4/cache/ksufdowwy 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.lateme4

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
GB 216.58.212.234:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 gurcistancruell33.com udp
US 1.1.1.1:53 lalagkcvagurcuuuu.com udp
US 1.1.1.1:53 cruelgurcistandaaaa42.com udp
US 1.1.1.1:53 biricruelidurdursunn.com udp
US 1.1.1.1:53 cruelveblack32.com udp
US 1.1.1.1:53 biricruelidurdursunloo.com udp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp

Files

/data/data/com.lateme4/cache/ksufdowwy

MD5 5d5f4779f03c12db1cd52f9071a55e1a
SHA1 e9fc2182bab02592a61796274332fe46c994b20f
SHA256 4f2d20d52b5e8ed43218ef3ca52578386e636126b5e23fbdd8fb2a8419eecc76
SHA512 0a576f042d603d2a4baae062f87c2a2aecd0793b5d990d34bb785b46eaf9b48e08c6731f31260bdbc98459606ccaa5d6b73bf38fc38fa46b2147ae86a1fa3f1e

/data/data/com.lateme4/cache/oat/ksufdowwy.cur.prof

MD5 e2d823089e3fd5c0e14278d73691fc4a
SHA1 03ba735a9ec15d406b8fd92357a27cec6227a886
SHA256 f443ee777bdbf77f75b03959ef95cacfc661c63880523d2a16829fd2958d1738
SHA512 6560b06ed1d53052c63f67033b4b0cd9b4bfcb9613331547cf06639e73ec610477d5c92e84410083595e8c4ee442fff7fb3fadebad4ba41b821610b68b7d7f37

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 22:35

Reported

2024-06-18 22:39

Platform

android-x64-20240611.1-en

Max time kernel

179s

Max time network

182s

Command Line

com.lateme4

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.lateme4/cache/ksufdowwy N/A N/A
N/A /data/user/0/com.lateme4/cache/ksufdowwy 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

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.lateme4

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 172.217.16.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 biricruelidurdursunloo.com udp
US 1.1.1.1:53 cruelgurcistandaaaa42.com udp
US 1.1.1.1:53 gurcistancruell33.com udp
US 1.1.1.1:53 biricruelidurdursunn.com udp
US 1.1.1.1:53 cruelveblack32.com udp
US 1.1.1.1:53 lalagkcvagurcuuuu.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.179.226:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.200.46:443 android.apis.google.com tcp

Files

/data/data/com.lateme4/cache/ksufdowwy

MD5 5d5f4779f03c12db1cd52f9071a55e1a
SHA1 e9fc2182bab02592a61796274332fe46c994b20f
SHA256 4f2d20d52b5e8ed43218ef3ca52578386e636126b5e23fbdd8fb2a8419eecc76
SHA512 0a576f042d603d2a4baae062f87c2a2aecd0793b5d990d34bb785b46eaf9b48e08c6731f31260bdbc98459606ccaa5d6b73bf38fc38fa46b2147ae86a1fa3f1e

/data/data/com.lateme4/cache/oat/ksufdowwy.cur.prof

MD5 754fa82062bbfe018d041dcd6c823b5f
SHA1 9fd441999f1dc500b63701d413e2a0242c0e0088
SHA256 e26183660a023038717c0f11e03511d5f9fe5bf89f14764b446c0005e88cf2e5
SHA512 ae6656dd6de6adc33195e234c24c46bb454b78d617915b2e0f2d975cc972b6237b9d5e14583b4c6e4d671797b225f6030d448d46404dcace3213ddf885a65cf9