Malware Analysis Report

2024-09-09 13:45

Sample ID 240519-1w1x8sca65
Target ac2faf2543ec1c37816eb060a3f5e5138351e2a9519ac22de153f2f91eed54da.bin
SHA256 ac2faf2543ec1c37816eb060a3f5e5138351e2a9519ac22de153f2f91eed54da
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

ac2faf2543ec1c37816eb060a3f5e5138351e2a9519ac22de153f2f91eed54da

Threat Level: Known bad

The file ac2faf2543ec1c37816eb060a3f5e5138351e2a9519ac22de153f2f91eed54da.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

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

Prevents application removal

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)

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Queries the mobile country code (MCC)

Makes use of the framework's foreground persistence service

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

Declares broadcast receivers with permission to handle system events

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

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

Declares services with permission to bind to the system

Requests dangerous framework permissions

Reads information about phone network operator.

Acquires the wake lock

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-19 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
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 22:08

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

149s

Command Line

com.endbetween46

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.endbetween46/cache/nkbkg N/A N/A
N/A /data/user/0/com.endbetween46/cache/nkbkg 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.endbetween46

Network

Country Destination Domain Proto
GB 142.250.200.14:443 tcp
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 kefalmefaltefal.xyz udp
US 1.1.1.1:53 tutankamunhaci.top udp
US 1.1.1.1:53 dlounayyanimda.top udp
US 1.1.1.1:53 kranliktaaradm.xyz udp
US 1.1.1.1:53 karakapkaraklpak.xyz udp
BG 194.59.30.2:443 tutankamunhaci.top tcp
US 1.1.1.1:53 ruhumdnzincirr.top udp
BG 194.59.30.2:443 tutankamunhaci.top tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.180.10:443 semanticlocation-pa.googleapis.com tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp

Files

/data/data/com.endbetween46/cache/nkbkg

MD5 49942b1e9ef99dd6efd7610e2f4887a9
SHA1 8bda7cb915aba3b7026d8438357444c2f17673f9
SHA256 ffb1d94e8619a2bc50279883c65bd06b3690e5dee35b24b4dd65ef73583ba3c4
SHA512 3f308dc3dd25ff82711749c5ef03c7c9ff73c6835ef4c527a699d75b5cafd11cce9c4f1619200bf9f72c7078a73053f6b601d6dea01f7ce1e98719bf6c4c7812

/data/data/com.endbetween46/kl.txt

MD5 a75cdd5214323573f4dab97712ce82e1
SHA1 8787a3a57681a5503176f3791d777a40769eeb97
SHA256 614533c0a70d08a917f5c1274ac7dd6d1da91316431143a191990c2cae1424e2
SHA512 994458c6bad124af07694e0fa6d9d1b7716ba0e8275d5cf8524cb1a43d9f92c6bb1e7f839a954d2de3df16115bed29f7eb45446bf409b45decf35e3db18e5936

/data/data/com.endbetween46/kl.txt

MD5 31abb288f23194118c38f200d8a17ba8
SHA1 2605605605ff163435595455021d02b175529f27
SHA256 91b48e9eb4df3961d6617af21d658d332d4e2f6d2b2514d00c81eb95ea8afde7
SHA512 4f66d8a0f1155947f5573711b0646afbd5753a1ba1ba62425891832c29ede0f49caba33293426cf9a9d1ebc9ecb94351bf940ce84ecbc10ac39d4946bea95897

/data/data/com.endbetween46/kl.txt

MD5 86d1555cd05bfc0509320b0e411684e6
SHA1 aa5ea939e96759335bf79d5b0cc07918a7b6e93b
SHA256 f46458721b6df84352a061d210192309813006a0e8a1407cd73edf5ba0a93dec
SHA512 58d75276bc2661f6de277624b76c11db7fba876c6777056bbb989519121c6f35de25b51f8ac60fbd19d6a75807ec0aa0f762b52988a22263353278010a52b000

/data/data/com.endbetween46/kl.txt

MD5 6f127f193f9c496efca57fc4d2c03616
SHA1 bd3f81d3a5a261f1dd5113911263c983279faf38
SHA256 f6ac7f99194a939be3413fe12014f43d4f08ea184a8c36461d48412607d6ae7a
SHA512 68edd28d9fbb74d6c4a03c9b387464368be392ad433adf7b0f1834fe891751e8b6a4fa9936a2e31f90bcd1a0187b2cb88e5df5829b72fd178cf7f310e8928e37

/data/data/com.endbetween46/kl.txt

MD5 4fb6ae8af6076ae5c6bfd59c707c0be7
SHA1 7594e5a4bfb52ea588b3ca07d707553717a3f7f4
SHA256 ef40265676dde403a5e3be6e7ae7e0167279e416f6acfc57d6ef688694d678f1
SHA512 33ad87410f20b1788195731581c1c65a67074b9b2385128d2e24a5aad0a051de72bfb37e8958f40f124ced1c947bb94133dc136cb97d5bef662f909cb7ff8fc1

/data/data/com.endbetween46/cache/oat/nkbkg.cur.prof

MD5 45f130445d80ea0e265ebf43122c8ddb
SHA1 5f73554c5ae1851853e298403ad556ecf5a398de
SHA256 8906c7e2e5db31dd224af140b030a58ee3a43ca428dd0d794dcefb74c362c900
SHA512 0a4b45c47fb5fde344f1042a7d899650d15a1a9b81ed7aa5b6c11554f52c478d51cd6838d0c584bebab17b5c01af692ce78dbf8bf9b4c954ae11a1f6283b626b

/data/data/com.endbetween46/.qcom.endbetween46

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-19 22:00

Reported

2024-05-19 22:07

Platform

android-x64-20240514-en

Max time kernel

171s

Max time network

183s

Command Line

com.endbetween46

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.endbetween46/cache/nkbkg N/A N/A
N/A /data/user/0/com.endbetween46/cache/nkbkg 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.endbetween46

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.204.74:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 saybyebyetohepiniz.xyz udp
US 1.1.1.1:53 hadikapanikapatsana.xyz udp
US 1.1.1.1:53 izlemebskasiyla.xyz udp
US 1.1.1.1:53 leardolordoloro.top udp
US 1.1.1.1:53 ruhumdnzincirr.top udp
US 1.1.1.1:53 tutankamunhaci.top udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 gecelerisvdmpkiyasen.top udp
BG 194.59.30.2:443 tutankamunhaci.top tcp
US 1.1.1.1:53 kefalmefaltefal.xyz udp
US 1.1.1.1:53 bilebilegndere.xyz udp
US 1.1.1.1:53 dlounayyanimda.top udp
US 1.1.1.1:53 tabukareler.top udp
US 1.1.1.1:53 anilardvrimi.xyz udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 lemanobelki.xyz udp
US 1.1.1.1:53 buzbuzdagdaglari.top udp
US 1.1.1.1:53 astralanahatarim.top udp
US 1.1.1.1:53 karakapkaraklpak.xyz udp
US 1.1.1.1:53 fesatokero.top udp
US 1.1.1.1:53 kranliktaaradm.xyz udp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
GB 142.250.187.238:443 tcp
GB 142.250.200.2:443 tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp
BG 194.59.30.2:443 tutankamunhaci.top tcp

Files

/data/data/com.endbetween46/cache/nkbkg

MD5 49942b1e9ef99dd6efd7610e2f4887a9
SHA1 8bda7cb915aba3b7026d8438357444c2f17673f9
SHA256 ffb1d94e8619a2bc50279883c65bd06b3690e5dee35b24b4dd65ef73583ba3c4
SHA512 3f308dc3dd25ff82711749c5ef03c7c9ff73c6835ef4c527a699d75b5cafd11cce9c4f1619200bf9f72c7078a73053f6b601d6dea01f7ce1e98719bf6c4c7812

/data/data/com.endbetween46/kl.txt

MD5 6f21b0f51e200f8a1ba58d8039d200f9
SHA1 165b5f6d5beb7facc18a3a6dd28bf19ce763204d
SHA256 46b2f7a487da5be7492dd919e43b4d44971fe8f54b52ddbcfc5bffe74a8af01d
SHA512 5f6bf2a0c72edf1d9d78a8daab322c1cf3b5ec67227cce32546e7ebe9932b3e7c12b545bfbb185ff19c66c96f0c557b08fa99afb1d6d3fc7f6e7f751134d7a87

/data/data/com.endbetween46/kl.txt

MD5 285399c115ac3a56a1233d81025ca502
SHA1 0e460b9ae2b912404e9d3bd7363d8262cc14f003
SHA256 4f5b1244febcd770e2d5bf318e490c5548392aa2456850cdd412cb4fa48e09a4
SHA512 5fc71c40a1f68d028624ea98f27fa895aedcfd83cf7134e6660b5c333122f4933e308414ad114c6d10dac8c4a1ebbfc7ae135cdd28139f1dd0fbcd876605e712

/data/data/com.endbetween46/kl.txt

MD5 b2c4a7193bd019741da8485514127ead
SHA1 6c9f3e28526cba36316fff81904a5131c1e3c774
SHA256 4d362eac9e3445e605d5982053e85512ddf17f61a81ec466bdcd9cb825388d99
SHA512 da13fc62639f40ed5a638dd01b02058da2081d57b392f081448dca94bd4f793e7ed15e72ff013be37284fa31ed2d01b9eaf929f9ba4bb210ad69830a63fe401a

/data/data/com.endbetween46/kl.txt

MD5 fde35474bfc700447fa2306e6eacb89b
SHA1 e4a5449dcb33af6e947778f1727defa78d73c596
SHA256 5f2a959c4b09ae2bb14e35f30aa361dee80e533893c1c09e269e154017b493d3
SHA512 0c300e0a313360f0ee2ad07545e2618a3aa738ecc5b1f9c897dab94048df0ff7185b189995dc278ceaed7ca2d541786f471537219fc36d30d74c7cb1f4efc21b

/data/data/com.endbetween46/kl.txt

MD5 3b9e304da05b1d5cd7c404201c238487
SHA1 047f939d25408c81bd9e5b785c5d65534ef45ad7
SHA256 96ed2ebc068b8f324dee3ef02018cdfbdb8a3ce3e9af71365767911534ac82f2
SHA512 e18041c0aa182116938f1f55b4ff0344a02d7b55736d25227ca6591c81d2d746c77b42ace70ac22aeb60471835a3963ce951d2f22355a8ae99d7257e8eb73d8f

/data/data/com.endbetween46/cache/oat/nkbkg.cur.prof

MD5 fa5f09cf576fd4edb9f2ac5980ac7ce3
SHA1 4ea05de5b230ed801469ff17486e07ddeb31e6dc
SHA256 ddd093184227240b95296ac132ac9cecc483513c3d12075831124c07317a16f4
SHA512 0288fa178e379afd8b583fc9fd1f5779fc64160d0fa6eead82da8ea2c384a090a2f5e68a45f8d4a41627bacaf4df7ac5ec103ed1cd380ddd3ea41502168a7273

/data/data/com.endbetween46/.qcom.endbetween46

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c