Malware Analysis Report

2024-09-09 13:49

Sample ID 240710-1wwnhssdjp
Target ccb9cf16eae9f8d62a7a356dc046bfcc362479c621b7f5a75f3af7117787ff4a.bin
SHA256 ccb9cf16eae9f8d62a7a356dc046bfcc362479c621b7f5a75f3af7117787ff4a
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

ccb9cf16eae9f8d62a7a356dc046bfcc362479c621b7f5a75f3af7117787ff4a

Threat Level: Known bad

The file ccb9cf16eae9f8d62a7a356dc046bfcc362479c621b7f5a75f3af7117787ff4a.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

Loads dropped Dex/Jar

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)

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

Performs UI accessibility actions on behalf of the user

Makes use of the framework's foreground persistence service

Acquires the wake lock

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

Requests modifying system settings.

Requests dangerous framework permissions

Declares services with permission to bind to the system

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

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

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

2024-07-10 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 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

2024-07-10 22:00

Reported

2024-07-10 22:03

Platform

android-x86-arm-20240624-en

Max time kernel

33s

Max time network

146s

Command Line

com.sittimeok

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.sittimeok/cache/wzwhjihbarcsmac N/A N/A
N/A /data/user/0/com.sittimeok/cache/wzwhjihbarcsmac 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

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

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

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.sittimeok

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 cehennemdirloo34.com udp
US 1.1.1.1:53 hava540derece.com udp
US 1.1.1.1:53 selamcanoonaber.site udp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
US 1.1.1.1:53 sicaktanbayilcam52.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/data/com.sittimeok/cache/wzwhjihbarcsmac

MD5 77b539739727e2901d3c700dcd1e949a
SHA1 a7a4eda43acc667a5175fe37a18a0a3d08ac7ab5
SHA256 883a898b2b24a9072b529f878eaccbeed7c005ee89123378857618f2af267fa5
SHA512 c188525efb6df631a6ee931f82366e84b86687613102032945b08de504b6eca0d448eab68a1b7ca51a170c7f1d05a648a8ef2ae1a9bec0e7aaeb58360580d1c7

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 22:00

Reported

2024-07-10 22:03

Platform

android-33-x64-arm64-20240624-en

Max time kernel

179s

Max time network

143s

Command Line

com.sittimeok

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.sittimeok/cache/wzwhjihbarcsmac 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

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.sittimeok

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.228:443 udp
GB 142.250.187.228:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 selamcanoonaber.site udp
US 1.1.1.1:53 cehennemdirloo34.com udp
US 1.1.1.1:53 hava540derece.com udp
US 1.1.1.1:53 sicaktanbayilcam52.com udp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
GB 142.250.180.10:443 remoteprovisioning.googleapis.com tcp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
GB 142.250.187.228:443 udp
GB 142.250.178.4:443 udp
GB 142.250.178.4:443 tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 162.159.61.3:443 tcp
US 162.159.61.3:443 tcp
GB 142.250.187.227:443 tcp
US 162.159.61.3:443 udp
GB 142.250.187.227:443 udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 216.58.204.67:443 tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/user/0/com.sittimeok/cache/wzwhjihbarcsmac

MD5 77b539739727e2901d3c700dcd1e949a
SHA1 a7a4eda43acc667a5175fe37a18a0a3d08ac7ab5
SHA256 883a898b2b24a9072b529f878eaccbeed7c005ee89123378857618f2af267fa5
SHA512 c188525efb6df631a6ee931f82366e84b86687613102032945b08de504b6eca0d448eab68a1b7ca51a170c7f1d05a648a8ef2ae1a9bec0e7aaeb58360580d1c7

/data/data/com.sittimeok/kl.txt

MD5 093504b2baf79b70aa5958d705a68c80
SHA1 97af3a8daaacfc0d128097219a823c28403071ed
SHA256 5bee7ec8e9219eb61b1e8963ed4cf148e57b80769fa7c3ed91d05eaeda3e413f
SHA512 3cb21e47ef927fc700bb13abe7ae5b256aa4fc631f3d5d190f75cd74c9318a2ff26c874171a8277e98b78e819357c79e1d1fafeb522156ea05ef0a51737d4d3d

/data/data/com.sittimeok/kl.txt

MD5 7bc1d4a36bdcb8d45c36e26dd6741977
SHA1 5c7221eff7260c1bfe685ae0731ce4e665c61fbe
SHA256 17a058ec35e2aa2ca1dd5d2c31ece3322f4f8445af1a37b63aeba3834f3a04a4
SHA512 ec4b2f92d0cd7f6846d2980ea5357bf3fdc4439da1a9db8782077b6a94e726dfafe054b5f44320f1862334ccf8a675e8cc7501b150034744d073e029c6e7f772

/data/data/com.sittimeok/kl.txt

MD5 386ce909f0b175ff5191c9ed3c8bf34c
SHA1 ed3ed619a9bcee18afa479f7c15b10a0092c949c
SHA256 a820609ac0f7b96674e49ea842493be74b48921d81409b94d3589b3fe75ec42f
SHA512 09b038217f24f68410aeacfdb908c4b4ce58aec476e7502ec4932abe069836c09721efcee6e37d801fd807b36c324317d8ab4f375f7a053b8e17407aa8b9b8fe

/data/data/com.sittimeok/kl.txt

MD5 8f7ffffbcf8454f08f43f24b93f714f6
SHA1 11b13aed82c3ac6ad6d55f85217054f46a356635
SHA256 a9ddf6c2a67cf56459c6b60fcf949dc5ba76bc8ef2a7053f9423e7b65f2fa4fb
SHA512 1845c1447e3ca691bb2b23383f835ab26f0b85bec67df8899ba61eb3b6a77d61c5e1c8ed7f5f10f4fd7cbe6fee8e69d6c7d51346d408d916b2c6bec2e9c416e9

/data/data/com.sittimeok/kl.txt

MD5 ef5eb871e455ee17a73b81d7cd3b467c
SHA1 d8da33718c906461d4590e682b5bc9502c2a0cd2
SHA256 c93c04dd1373730ac6971f3ff2fb0ce9dff485ae7f7f0a86f89cb00a1cfa64f9
SHA512 0fad2028a9f03251d8fb64dcb725304abb2ea087a24e527f929c9d13150dce5d2e28fc54370f737b70bb18c876bf07be6cac227f22336d1383f2ec38bd2a439d

/data/data/com.sittimeok/cache/oat/wzwhjihbarcsmac.cur.prof

MD5 c71a08a95ada1ee0ddbcf45b5c70d4eb
SHA1 bcff8241bb18536c3ca85dbbe959326b412ecfdc
SHA256 d90367031c22c78411ec289d41bc611a9d08ac3d4a926e605bcdbfb3cafe7513
SHA512 b4076bf8f1e39d15f64d1d431bf742a4cb4c97234677c201b7d568898b42d8642d72770018e55c04a618b736f78357c41931286328ffe52db1bbbfede6bb98c5

/data/data/com.sittimeok/.qcom.sittimeok

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c