Malware Analysis Report

2024-09-09 13:42

Sample ID 240519-1wqghacc2s
Target 4f22878736f4e0645673ec3ec16568fb14875a8a9ff9f66e86f1f4c8309c684a.bin
SHA256 4f22878736f4e0645673ec3ec16568fb14875a8a9ff9f66e86f1f4c8309c684a
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

4f22878736f4e0645673ec3ec16568fb14875a8a9ff9f66e86f1f4c8309c684a

Threat Level: Known bad

The file 4f22878736f4e0645673ec3ec16568fb14875a8a9ff9f66e86f1f4c8309c684a.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

Makes use of the framework's Accessibility service

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

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

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

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

Loads dropped Dex/Jar

Acquires the wake lock

Declares services with permission to bind to the system

Reads information about phone network operator.

Requests dangerous framework permissions

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

Declares broadcast receivers with permission to handle system events

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

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 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

2024-05-19 22:00

Reported

2024-05-19 22:04

Platform

android-x86-arm-20240514-en

Max time kernel

171s

Max time network

171s

Command Line

com.doorfalljnr

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.doorfalljnr/cache/xsmthfkwaqt N/A N/A
N/A /data/user/0/com.doorfalljnr/cache/xsmthfkwaqt 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.doorfalljnr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 qyrlzymp.xyz udp
US 192.64.119.226:443 qyrlzymp.xyz tcp
US 1.1.1.1:53 qwipblom.top udp
TR 87.121.105.47:443 qwipblom.top tcp
GB 142.250.178.3:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp
US 1.1.1.1:53 gufxdixt.xyz udp
DE 91.195.240.123:443 gufxdixt.xyz tcp
US 192.64.119.226:443 qyrlzymp.xyz tcp
US 1.1.1.1:53 kipxfuvz.top udp
US 1.1.1.1:53 kuplzavn.xyz udp
US 1.1.1.1:53 fwizjexy.top udp
DE 91.195.240.123:443 kuplzavn.xyz tcp
DE 91.195.240.123:443 kuplzavn.xyz tcp
TR 87.121.105.47:443 qwipblom.top tcp
US 1.1.1.1:53 jivmzylf.xyz udp
US 1.1.1.1:53 jilkqypt.xyz udp
US 192.64.119.226:443 qyrlzymp.xyz tcp
US 1.1.1.1:53 plimqylx.top udp
NL 147.78.103.125:443 plimqylx.top tcp
NL 147.78.103.125:443 plimqylx.top tcp
NL 147.78.103.125:443 plimqylx.top tcp
US 1.1.1.1:53 jiqkkuzn.xyz udp
NL 147.78.103.125:443 plimqylx.top tcp
US 1.1.1.1:53 bluzgipx.top udp
US 192.64.119.136:443 bluzgipx.top tcp
US 192.64.119.226:443 qyrlzymp.xyz tcp

Files

/data/data/com.doorfalljnr/cache/xsmthfkwaqt

MD5 bcccfc0fe9b4334c78ba4aad815b2103
SHA1 65c386400765bd710db03766735333f4d6be636e
SHA256 2120248686082c92576fb755f37743652aa31ef579a6b9f5160abaae6f81d019
SHA512 7e9d883ed365814417cd061d0005f604b0de911a5d6759d3c0a1555ed341080afa20f77d342ede1cdbc27c07122222855ac92ddc27535d84b7bcd80e76cfbdd0

/data/data/com.doorfalljnr/cache/oat/xsmthfkwaqt.cur.prof

MD5 8a1dbfcea1bc6341b7ad2fe4bfb7aedb
SHA1 3d3c1df4ab7566d0cbe19873b625240374fd6181
SHA256 f3ac7b0b25d1ecd89faa113d5b32ecddd65da1e57e3dfc1d7e7da4ac72eaf452
SHA512 f18c0c5311433c3e88f0340ec70b6a2d1b3bbde5410ebadcd16b383aaa1c92b7dd29e54a972a1e5ebe4bfc1392bc1c4f529458fe85fd49abc260d02451a86214

/data/data/com.doorfalljnr/.qcom.doorfalljnr

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-19 22:00

Reported

2024-05-19 22:04

Platform

android-x64-arm64-20240514-en

Max time kernel

180s

Max time network

147s

Command Line

com.doorfalljnr

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

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.doorfalljnr/cache/xsmthfkwaqt N/A N/A
N/A /data/user/0/com.doorfalljnr/cache/xsmthfkwaqt 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

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

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.doorfalljnr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.42:443 tcp
GB 172.217.169.42:443 tcp
GB 142.250.200.46:443 tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 fwizjexy.top udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 jivmzylf.xyz udp
US 1.1.1.1:53 qwipblom.top udp
US 1.1.1.1:53 gufxdixt.xyz udp
DE 91.195.240.123:443 gufxdixt.xyz tcp
TR 87.121.105.47:443 qwipblom.top tcp
US 1.1.1.1:53 zyptqalv.xyz udp
DE 91.195.240.123:443 zyptqalv.xyz tcp
US 1.1.1.1:53 fruzjenk.xyz udp
NL 147.78.103.125:443 fruzjenk.xyz tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
US 1.1.1.1:53 qyrlzymp.xyz udp
US 192.64.119.226:443 qyrlzymp.xyz tcp
US 1.1.1.1:53 ploxqenj.top udp
DE 91.195.240.123:443 zyptqalv.xyz tcp
US 1.1.1.1:53 hayvanyemekveriyoruz.top udp
NL 147.78.103.125:443 hayvanyemekveriyoruz.top tcp
US 1.1.1.1:53 plimqylx.top udp
NL 147.78.103.125:443 plimqylx.top tcp
NL 147.78.103.125:443 plimqylx.top tcp

Files

/data/user/0/com.doorfalljnr/cache/xsmthfkwaqt

MD5 bcccfc0fe9b4334c78ba4aad815b2103
SHA1 65c386400765bd710db03766735333f4d6be636e
SHA256 2120248686082c92576fb755f37743652aa31ef579a6b9f5160abaae6f81d019
SHA512 7e9d883ed365814417cd061d0005f604b0de911a5d6759d3c0a1555ed341080afa20f77d342ede1cdbc27c07122222855ac92ddc27535d84b7bcd80e76cfbdd0

/data/user/0/com.doorfalljnr/cache/oat/xsmthfkwaqt.cur.prof

MD5 e02b5a1834a42490e95df6929cdaa6f2
SHA1 eb1680c9a2d7c2755548055214f84b5e4e478de9
SHA256 2cc880201297c4756a9a37592b56d5771b683d5e22c3298476380e1b01b4bcfc
SHA512 59f84f329d91b74fd49dbf287ea33b3d1a00ef4fb2778c5059788c278e265a09ea0a9c4ebd90c8919b8538a5d307d41a4203c18c032c7580296a5d821036471b

/data/user/0/com.doorfalljnr/.qcom.doorfalljnr

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c