Malware Analysis Report

2024-09-09 13:48

Sample ID 240601-2etchaha2v
Target 6a11382e18e9ae9493d5131bd080dfd8e4fd8e75ccb416fa625cd013eb4242b7.bin
SHA256 6a11382e18e9ae9493d5131bd080dfd8e4fd8e75ccb416fa625cd013eb4242b7
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

6a11382e18e9ae9493d5131bd080dfd8e4fd8e75ccb416fa625cd013eb4242b7

Threat Level: Known bad

The file 6a11382e18e9ae9493d5131bd080dfd8e4fd8e75ccb416fa625cd013eb4242b7.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

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

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

Requests modifying system settings.

Removes its main activity from the application launcher

Prevents application removal

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

Checks memory information

Obtains sensitive information copied to the device clipboard

Makes use of the framework's foreground persistence service

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

Queries the phone number (MSISDN for GSM devices)

Checks CPU information

Queries the mobile country code (MCC)

Declares broadcast receivers with permission to handle system events

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

Declares services with permission to bind to the system

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

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

2024-06-01 22:30

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 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
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 22:30

Reported

2024-06-01 22:33

Platform

android-x86-arm-20240514-en

Max time kernel

58s

Max time network

165s

Command Line

com.haveold17

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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.haveold17/cache/chkohrtkryz N/A N/A
N/A /data/user/0/com.haveold17/cache/chkohrtkryz 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.haveold17

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.68:443 www.google.com tcp
US 1.1.1.1:53 yavasyavaslo261.com udp
US 1.1.1.1:53 selammudur24.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 7adiletasarim.com udp
US 1.1.1.1:53 adile56tasarim.com udp
US 1.1.1.1:53 adbennaberortak.com udp
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

Files

/data/data/com.haveold17/cache/chkohrtkryz

MD5 9f0575f063eeba1bc38e934be7d41043
SHA1 f0c957c79626fd35ed48851fa631e4c39fcea647
SHA256 5b0a41192a518707d0f42debf8969c1b2752027b47b7e3c5886119ba1d841932
SHA512 65d03aafb8e2ee7de0dfbcfe630bc5fce9f622e2d92e8b399357612c865e635ef29d9ca8ba6a8bbf9b9c4f104507d4575478f06530b058148ed382d9b7b8173f

/data/data/com.haveold17/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/data/com.haveold17/kl.txt

MD5 0924ab9184c97524a0778c46dd3204f4
SHA1 4de4238866b2b26b0f60ec9d816678fbd0bc2a83
SHA256 f5e22c2bb23e3d6d365dd118885badac199f5ee8f8bc3ec057b1be09b9f874f8
SHA512 d0996ba3bd37635b2f4b750fb0a52dbbfdf9e61449a0d8006d581fb6331444b2b2990681d91e79f22d9dcc7b33e4177871902c1018d5a24d32f16e7af5ab9c6e

/data/data/com.haveold17/kl.txt

MD5 9e6f0f8c3debfd76a861b8f818ac618f
SHA1 5260ac417444ed6c4439e8456ee92471a4b552eb
SHA256 e6bd755fdc60a18a62d89bd9e88c9107f96ab88fc35e91737e5f679dded06084
SHA512 ac7abaa3acf383fdc3c40893df33783f2157f13f66c59f65493d3a6d1d52ce65a096092616ae74afd61ead0e810ffe1de7fe959913005ea76a6aa5b43abc2b20

/data/data/com.haveold17/kl.txt

MD5 4540d3bee9f41c5259b31eea3fd85daf
SHA1 3dd7c2592b9ed9c7f06e5b4494204d289dfd02ab
SHA256 e8964de3a43b8a2096c7ab9a3899aa06e4c77d2a2784041f7eb6b7202a57ea73
SHA512 95fc7f66e627988ff169f4c89e05e5914af4051e2537db718986c602ba9df051f114742f5a106d35215582055d14b7f95ae1d2d0d5cf73d5844b677e222c8998

/data/data/com.haveold17/kl.txt

MD5 4b2e34eb7551ce8c56d2008b0aa26430
SHA1 cf2be422d96046030b67787927dd6ba37d75c795
SHA256 fcb9129cb691867e2bd4c8ccf1742861954ee0313c837e982328a48bc11f11de
SHA512 f739b8aa86bf96da7d91a9a81a7b0cd45270b1a3e3106dcd7c1a555e0555b10386ee22f1dcacfde4701ab260f573c659429b96aee833b713e21c85586d57412c

/data/data/com.haveold17/cache/oat/chkohrtkryz.cur.prof

MD5 272a116ac1a073195ed1e33b3d3bbadb
SHA1 ecdf3da9d34ad10da58424224438b9af6c09dc32
SHA256 d5935aec31eed421bf159842631e63f0932a496164252bea3491e0b9aafa2bcf
SHA512 2537b79fdf07dcf583496628859ca018b31580c986a024b62e89f07d87c567172e8c495031ed2b0a23d6932ebb49e88af2be4177a71cc2be5c0731c76541394e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 22:30

Reported

2024-06-01 22:33

Platform

android-x64-arm64-20240514-en

Max time kernel

179s

Max time network

132s

Command Line

com.haveold17

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.findAccessibilityNodeInfosByViewId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId 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

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.haveold17/cache/chkohrtkryz N/A N/A
N/A /data/user/0/com.haveold17/cache/chkohrtkryz 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

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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.haveold17

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 adile56tasarim.com udp
US 1.1.1.1:53 www.ip-api.com udp
US 208.95.112.1:80 www.ip-api.com tcp
US 1.1.1.1:53 yavasyavaslo261.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 adbennaberortak.com udp
US 1.1.1.1:53 selammudur24.com udp
US 1.1.1.1:53 7adiletasarim.com udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

/data/user/0/com.haveold17/cache/chkohrtkryz

MD5 9f0575f063eeba1bc38e934be7d41043
SHA1 f0c957c79626fd35ed48851fa631e4c39fcea647
SHA256 5b0a41192a518707d0f42debf8969c1b2752027b47b7e3c5886119ba1d841932
SHA512 65d03aafb8e2ee7de0dfbcfe630bc5fce9f622e2d92e8b399357612c865e635ef29d9ca8ba6a8bbf9b9c4f104507d4575478f06530b058148ed382d9b7b8173f

/data/user/0/com.haveold17/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/user/0/com.haveold17/kl.txt

MD5 ed97c36b32771ac1698e88c0890e0679
SHA1 fe65959d6eec340e640e3111f73277ae8f930fad
SHA256 5205af42a62cb48b0fb9b1bc93c5e1e1cc57809fe10db07641660d051d14439b
SHA512 cdb9a4d5007707cdcf3ce0bd43ca96014c9224eb1aa5cf659d46d13e9add9b81923353a5e6e1bfd3625685cadffdde55c9593c3db8d35a481cf3b13516388264

/data/user/0/com.haveold17/kl.txt

MD5 b64fde0bca025c2000ade31642f59bab
SHA1 f39db3514dd116bb1f2c2b36e061e177a7ca9998
SHA256 2dcddba6277e660bfe14d140a57a3efb2bf40c557f9b4c11a92dffe6b9ec63c7
SHA512 9472a3b0aa3431269678d2175829b44594c2e798d3ae95e5fc09c4a57721fcec29aea85539b7590678b9dec6427afeb0c516bbec4510ac2cf6e15fa501e682f7

/data/user/0/com.haveold17/kl.txt

MD5 bb1a783e397981f5520cd3195b170328
SHA1 2390032f0c1bef4f94546bb15ff0693a448052e8
SHA256 3e3f8e694f6efaf3058b82caa3f2afb26d3f184e96f4c1e8c69382c2ce7b002c
SHA512 46b571233231e9a848dc6e1fb23a28f3ecfae690fee13dd44d20109b506f8159687bf30a3563e83deac692232dcb1ca976451236eb6fa2d6c7b749d33d372e83

/data/user/0/com.haveold17/cache/oat/chkohrtkryz.cur.prof

MD5 05be8a2ec2bd7fe4d167dd5bc7ffd6f7
SHA1 240b22e1f68594454034338651f1ecc2ae5c25e9
SHA256 32be1a3fb90a5a10ce2a3ab8dde911e65ceca491117338b46736f9fb838466d4
SHA512 6198a00ea892d17df2be99d799d2fd3b5988dec0a17b480e9f4297a2d5835cec5d6740fd0dbf60f3a4b57893e78a9bde6458479af7a5c857d37d0868d6d560a5