Malware Analysis Report

2024-10-19 12:59

Sample ID 240825-1ysdwazbjk
Target 96e157d43f885e4106071740f4c4e79a51acfa62b0fb8421c2506dc35e614378.bin
SHA256 96e157d43f885e4106071740f4c4e79a51acfa62b0fb8421c2506dc35e614378
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

Mobile Matrix V15

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

96e157d43f885e4106071740f4c4e79a51acfa62b0fb8421c2506dc35e614378

Threat Level: Known bad

The file 96e157d43f885e4106071740f4c4e79a51acfa62b0fb8421c2506dc35e614378.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)

Loads dropped Dex/Jar

Makes use of the framework's Accessibility service

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

Makes use of the framework's foreground persistence service

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

Reads information about phone network operator.

Requests modifying system settings.

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

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

Performs UI accessibility actions on behalf of the user

Queries the mobile country code (MCC)

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 22:03

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 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

2024-08-25 22:03

Reported

2024-08-25 22:16

Platform

android-x86-arm-20240624-en

Max time kernel

172s

Max time network

158s

Command Line

com.restbook69

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.restbook69/cache/bbyfejzr N/A N/A
N/A /data/user/0/com.restbook69/cache/bbyfejzr 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.restbook69

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 pikniktupu2534.com udp
US 1.1.1.1:53 havacerinlii34.com udp
US 1.1.1.1:53 sicaktanbayilcam52.com udp
US 1.1.1.1:53 cehennemdirloo34.com udp
US 1.1.1.1:53 sicaklarbittikurtldk6215.com udp
US 1.1.1.1:53 robetcotraslros5234.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 pikniktupu2534.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
US 74.119.239.234:443 otururkenterliyorum42.com tcp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
US 1.1.1.1:53 selamcanoonaber.site udp
US 1.1.1.1:53 havasarinliyorla234.com udp
US 1.1.1.1:53 havasarinliyorla234.com udp
US 1.1.1.1:53 slmla6242nbr.com udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp

Files

/data/data/com.restbook69/cache/bbyfejzr

MD5 ffd4ecbbd012ea2c9333168e5fdc6994
SHA1 5624366ae7bd1e79d45a1b107289e5553c4f070c
SHA256 809b2bc39e52535568e686bbc29f1bc835cba9aaac9661ea2d7b3e0354440984
SHA512 19a0d09b1bcadfe40ff6f49b02dac9889c5d25b3eec934d7f63d46b356987338159eb1fd546ab72ffdfa3e5d59c1134e984a8167629ffc3d0607c8a45964a4d6

/data/data/com.restbook69/kl.txt

MD5 64b5cb1b2ae7d458cf1710299b400a41
SHA1 65793ff44e91ac5ffd752152d735ec7b19e60374
SHA256 b9fa81d7758625ead0aa751008f5ed37e644826646c6e0632f9d5f3c2212b729
SHA512 294910193f9ed45e13ecbebb76088b7c62c391860665976b3ff7133111a0217289844046377447f0628510053f0198bf9926d3c619934965a445fb503db937d5

/data/data/com.restbook69/kl.txt

MD5 d45b9b06792ed8a447bcc004c751b5f3
SHA1 15a822b52f0b80f755f6a660dd21060e2f9915cd
SHA256 defe569d56a321c5f80e7147cf5c23b63ca46e306184716e6c01ef4ca80d5161
SHA512 637eb28a4fd8dc90a83d1332a2ece163f23ba5585a091009e8f759718a3ef0a689eb352960357b5e981813a34f2a069ae3e2102abc1e4e9e96d3afd0a6234659

/data/data/com.restbook69/kl.txt

MD5 67bce2bb88dbb64fb1b2cf102d9d3ce6
SHA1 8d4a505b1e8bc3b9a5ae3dbb7cfbb73d629e4d2a
SHA256 d254d0185fc95e1c5838457e0402140219b2d92a7c02f4b37c75d47c12c3aa90
SHA512 2fd8563750e9b76dd811c73c3b76823cbb3823877243a656df7ef323c39e01eb2581f4a0e7aa7f2cf444716ea0a8693da19c7ebe8ca782490aeb80b25203cbde

/data/data/com.restbook69/kl.txt

MD5 6050ad92ac04589825fc99ddcb68b73c
SHA1 4e07fd06b901913ab0f8e99d05cbbbb48b71fcfe
SHA256 8936d021986dabf0795f48258cbc71f016d35570a2d2ebe003c9434657cddffc
SHA512 d12f0ebacf3f6bc03dd53d8c98d63d98c7feb0056ec8846c95b8e5a3409b30a2999f4b02e7d796e9db8e4be056274bf375cadb631e571209c0dd5701dce3be80

/data/data/com.restbook69/kl.txt

MD5 e8909b44c641c12609074f81c955a5ba
SHA1 b00e13185c62a1ae3d9dbb3a3a4f10a66d39dd23
SHA256 7b62767266707ed33242f16bece327df7ee350c7cd7489b8f0f2ab3436bd102c
SHA512 1dfcc545ae9880ec1f325db98877d4e1a7128a25102ae34ac8aa5cb1780241fa55d447e8e3eb63b5b409f84ebf69db0b9abce2155b50c9dfb5e9aad1bff48d90

/data/data/com.restbook69/cache/oat/bbyfejzr.cur.prof

MD5 eb4059f6de314d9ccdfdf18ed597c378
SHA1 4409d58554f903bf11b8a424e5fadf987257e1b3
SHA256 bd35af5f342e01fe63483ddde6aa15b016943ac1bead812943273369fab12e07
SHA512 2ebb338ede9de662e5c4ac0d6482086af9385c370d1089a82981dbdad0c26d8af5c956c8eea3490dfce184aca9db5b75e19f00672dabe0bfd4fa2b02f99ca37c

/data/data/com.restbook69/.qcom.restbook69

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 22:03

Reported

2024-08-25 22:17

Platform

android-x64-20240624-en

Max time kernel

10s

Max time network

176s

Command Line

com.restbook69

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.restbook69/cache/bbyfejzr N/A N/A
N/A /data/user/0/com.restbook69/cache/bbyfejzr 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

Processes

com.restbook69

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 142.250.200.8:443 ssl.google-analytics.com tcp
GB 172.217.16.238:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.180.3:443 tcp
GB 142.250.180.3:443 tcp
BE 142.251.168.188:5228 tcp
GB 142.250.187.206:443 tcp
GB 216.58.201.100:443 tcp
US 1.1.1.1:53 pikniktupu2534.com udp
US 1.1.1.1:53 havasarinliyorla234.com udp
US 1.1.1.1:53 sicaklarbittikurtldk6215.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 www.google.com udp
GB 172.217.16.228:443 www.google.com udp
GB 172.217.16.228:443 www.google.com tcp
GB 172.217.16.228:443 www.google.com tcp
US 1.1.1.1:53 g.tenor.com udp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
US 1.1.1.1:53 slmla6242nbr.com udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
GB 142.250.187.234:443 g.tenor.com tcp
GB 216.58.204.74:443 g.tenor.com tcp
US 1.1.1.1:53 sicaklarbittikurtldk6215.com udp
US 1.1.1.1:53 cehennemdirloo34.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
BE 74.125.206.84:443 accounts.google.com tcp
BE 74.125.206.84:443 accounts.google.com tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
US 74.119.239.234:443 otururkenterliyorum42.com tcp
US 1.1.1.1:53 robetcotraslros5234.com udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
US 1.1.1.1:53 selamcanoonaber.site udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 mdh-pa.googleapis.com udp
GB 216.58.204.74:443 mdh-pa.googleapis.com tcp
US 1.1.1.1:53 safebrowsing.googleapis.com udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 www.youtube.com udp
US 1.1.1.1:53 growth-pa.googleapis.com udp
GB 142.250.179.238:443 www.youtube.com udp
GB 142.250.179.238:443 www.youtube.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
US 1.1.1.1:53 slmla6242nbr.com udp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 i.ytimg.com udp
GB 172.217.169.86:443 i.ytimg.com udp
GB 172.217.169.86:443 i.ytimg.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp
GB 216.58.213.14:443 android.apis.google.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.204.68:443 www.google.com udp
GB 216.58.204.68:443 www.google.com tcp
GB 216.58.204.68:443 www.google.com tcp
RU 193.143.1.24:443 slmla6242nbr.com tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
GB 64.233.167.84:443 accounts.google.com tcp

Files

/data/data/com.restbook69/cache/bbyfejzr

MD5 ffd4ecbbd012ea2c9333168e5fdc6994
SHA1 5624366ae7bd1e79d45a1b107289e5553c4f070c
SHA256 809b2bc39e52535568e686bbc29f1bc835cba9aaac9661ea2d7b3e0354440984
SHA512 19a0d09b1bcadfe40ff6f49b02dac9889c5d25b3eec934d7f63d46b356987338159eb1fd546ab72ffdfa3e5d59c1134e984a8167629ffc3d0607c8a45964a4d6