Malware Analysis Report

2024-10-19 12:59

Sample ID 240819-1w1mgasbjn
Target 64b47c59de61faa3b6742ee3aca8ffddd13c54d4288e79d7c7076d94628c3e5e.bin
SHA256 64b47c59de61faa3b6742ee3aca8ffddd13c54d4288e79d7c7076d94628c3e5e
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

64b47c59de61faa3b6742ee3aca8ffddd13c54d4288e79d7c7076d94628c3e5e

Threat Level: Known bad

The file 64b47c59de61faa3b6742ee3aca8ffddd13c54d4288e79d7c7076d94628c3e5e.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

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)

Makes use of the framework's Accessibility service

Requests modifying system settings.

Queries the mobile country code (MCC)

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

Performs UI accessibility actions on behalf of the user

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Acquires the wake lock

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

Requests dangerous framework permissions

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

Declares broadcast receivers with permission to handle system events

Attempts to obfuscate APK file format

Uses Crypto APIs (Might try to encrypt user data)

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 22:00

Signatures

Attempts to obfuscate APK file format

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 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
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS 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 send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE N/A N/A
Required to be able to advertise to nearby Bluetooth devices. android.permission.BLUETOOTH_ADVERTISE N/A N/A
Allows an application to collect component usage statistics. android.permission.PACKAGE_USAGE_STATS N/A N/A
Allows an application to access any geographic locations persisted in the user's shared collection. android.permission.ACCESS_MEDIA_LOCATION N/A N/A
Allows an application to read audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Required to be able to advertise and connect to nearby devices via Wi-Fi. android.permission.NEARBY_WIFI_DEVICES N/A N/A
Allows an app to access location in the background. android.permission.ACCESS_BACKGROUND_LOCATION N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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 an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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 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 app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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 read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION 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 read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW 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
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 22:00

Reported

2024-08-19 22:07

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

143s

Command Line

com.slim.tobacco

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

Description Indicator Process Target
N/A N/A N/A N/A
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.slim.tobacco/app_green/LU.json N/A N/A
N/A /data/user/0/com.slim.tobacco/app_green/LU.json 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

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.slim.tobacco

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.slim.tobacco/app_green/LU.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.slim.tobacco/app_green/oat/x86/LU.odex --compiler-filter=quicken --class-loader-context=&

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 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 travinox.site udp
US 154.216.18.41:443 travinox.site tcp
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 vernolixa.store udp
US 1.1.1.1:53 tarovixa.website udp
US 1.1.1.1:53 kolvinex.site udp
US 1.1.1.1:53 zolvinax.store udp
US 1.1.1.1:53 rolnivexa.website udp
US 1.1.1.1:53 lornivex.website udp
US 1.1.1.1:53 melranix.site udp
US 1.1.1.1:53 voranlix.store udp
US 1.1.1.1:53 kelvorim.store udp
US 1.1.1.1:53 jervonix.store udp
US 1.1.1.1:53 tarnivex.website udp
US 1.1.1.1:53 zanorvix.site udp
US 1.1.1.1:53 zarovinx.site udp
US 1.1.1.1:53 peranlix.website udp
US 1.1.1.1:53 norvelix.site udp
US 154.216.18.84:443 norvelix.site tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.201.110:443 android.apis.google.com tcp
US 154.216.18.84:443 norvelix.site tcp
US 154.216.18.84:443 norvelix.site tcp
US 154.216.18.84:443 norvelix.site tcp
US 1.1.1.1:53 norvelix.site udp
US 154.216.18.84:443 norvelix.site tcp

Files

/data/data/com.slim.tobacco/app_green/LU.json

MD5 e6e1168373328c6c96fcedf9ca95d4d8
SHA1 c3568025a20d3c8aa9eabd98abf7faff0eb0f2b9
SHA256 8386236f1a815a7fae0f5c4812195cb78a350f352dcfa256dd1f837c27551981
SHA512 f3ea704652bc414a38f21211077d3acc4c67bb5c1b3ad699afe72038ec321d00e52c8da641298ebf1e612d09fe4aa52f866e3bfd993fa84c1f0eadfcf49453c7

/data/data/com.slim.tobacco/app_green/LU.json

MD5 c09b0c67fd5676913585f4ad71cefa52
SHA1 091bc024552735b68859c7d9bb538f40c305c2d9
SHA256 56b60f155b72267a258e08a1029f8a7bbb0d344107b26dd8288c2658644c7021
SHA512 8de932f417f0e17ca92ed52f25480f55ce08bd5207e87a5f43ecbfdaafd2513d8c7b30873d6bb220317828f771d6286a117ee339fc78b0f5298741bbc1bb3ba4

/data/user/0/com.slim.tobacco/app_green/LU.json

MD5 d0731e23f18b8549569138abeb9643bf
SHA1 c36d933ffb4e86cb7939e8d2a5009a7116c80c72
SHA256 6de95df22f529d48b75bf949c9946993b8d0ddfbb717910a8023a262878d4a15
SHA512 880811845ad85c550e62899d09833190678f0fd7b2deb7f357e3c78cfc7dc54d29246f51587515f244109fddfbb24c9927cfe5a0e5510f7d26f4114bd8f451ac

/data/user/0/com.slim.tobacco/app_green/LU.json

MD5 e2d303e82dca09c46eaff175bea339e2
SHA1 411a00ce065f637fa97a9f061376c143450c454a
SHA256 ad07b62d1c328c2e10936fe22319510b3980bf830e5c966e9d1c2e2fa1ad151d
SHA512 aeb09a60e8492acc054a7e30e3035a85713d322766d021307cdad0982761aad5e84d14f2d2dd9d4deaa301f6e60d96ab4424ab6f69d443e6c767f17e23acd1a8

/data/data/com.slim.tobacco/kl.txt

MD5 bceb6c82d09cd167026199880ebc3372
SHA1 7b5a2388a643e7418b08ef33c85eab2ad5630f7a
SHA256 d38fb5d4bb84180160e79bb8f8a30b1992d28fcceec1725c6eacc2972cd827b5
SHA512 61f7702142f1ccb53f1b6fb489bc59b12716a69d8ec0a4c21ad79735d0fe1b87854ec19535162701a973a06b534d91e01032472d748267b3682f91ae81d68acc

/data/data/com.slim.tobacco/kl.txt

MD5 8eb10abcf8c170ce0b1187fa6a5cabce
SHA1 66ed21bd2b80968bec1a6d587d834f44eb8b0df4
SHA256 7dec741079f0662152758bc42bb511379c56b44da2d5988c16654ef6da38f44e
SHA512 aeabb38048510b5d97899fea585b697637d76bbaaee763fb0cc13b39882aa9b741e3539f7b1f2e009caab78bf3d1de2b44e23a22bec30e8ee753957ecce27d23

/data/data/com.slim.tobacco/kl.txt

MD5 c5477c32fcdb2be0810368e64728479c
SHA1 e86bb6d6ef276083f19137c00fdb4c2ef2ca21d4
SHA256 86faae95f05f0e6053171b88f3ad8b175779e6b945396d9938f7a3aa52455ecf
SHA512 cfc5a517dca760463492ae4f9e9712b11c4839ac58ba2ac160c1c3b4d3b38c9f337c1d9d60415d2c3f62a55b7e6db9386c927bc3339667474a9567e417b45f65

/data/data/com.slim.tobacco/kl.txt

MD5 c806768ed055b2636d0afd6e27d7037b
SHA1 d7a649bb8cd385da6dddf95999343ca0f214b906
SHA256 d0585043b0ebee405125046399d561870279b229ec19c55355e85536abc418a7
SHA512 584d329962be128f8030c776b603b2158fb802690bd74d99854c540d8f2f951dc87672650db236bd857091abf933241da9e54e38026a015c69c809cefb677cf2

/data/data/com.slim.tobacco/kl.txt

MD5 2b6ede9a8a260cfc6d208c4eb23e51f6
SHA1 ff09d533871414afce0994a59db46589af837cf1
SHA256 db43eb0d84a7639b33385bc6eac909e0f906fce96cbabf74f62057fcc4f55eb4
SHA512 c866698c70b218259868b94771874492ea5f8978b4299cb51e38bf28d063d14230136ae7d30da66febc76f426fbed6d01214d642e9f85118b777518f555f90e4

/data/data/com.slim.tobacco/.qcom.slim.tobacco

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

/data/data/com.slim.tobacco/.qcom.slim.tobacco

MD5 d3cba46323545307dd47ae62af89f3f8
SHA1 c8803b154aaa7fd840202ba6721222e104777a5a
SHA256 403575649f486f0cdb727cb68316dc01f90c9b3143895edeae9d2b7f54aad7b4
SHA512 f23b4b9c9b0dabc79713cc31405c3d17e31235527806512018fbcb7c703a7830e206ae7c376df7fb70625cccf0eb561121bd9e617c458f5f18be25991185c6ee

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 22:00

Reported

2024-08-19 22:07

Platform

android-x64-20240624-en

Max time kernel

6s

Max time network

191s

Command Line

com.slim.tobacco

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.slim.tobacco/app_green/LU.json 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.slim.tobacco

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 216.58.204.72:443 ssl.google-analytics.com tcp
GB 172.217.16.238:443 tcp
GB 216.58.212.234:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.180.3:443 tcp
GB 142.250.180.3:443 tcp
US 216.239.32.223:443 tcp
BE 142.251.168.188:5228 tcp
US 216.239.32.223:443 tcp
GB 142.250.187.206:443 tcp
GB 216.58.201.100:443 tcp
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 tarnivex.website udp
US 1.1.1.1:53 tarovixa.website udp
US 1.1.1.1:53 lornivex.website udp
US 1.1.1.1:53 kolvinex.site udp
US 1.1.1.1:53 zanorvix.site udp
US 1.1.1.1:53 xelronax.website udp
US 1.1.1.1:53 travinox.site udp
US 1.1.1.1:53 vernolixa.store udp
US 154.216.18.41:443 travinox.site tcp
US 1.1.1.1:53 jervonix.store udp
US 1.1.1.1:53 zarovinx.site udp
US 1.1.1.1:53 peranlix.website udp
US 1.1.1.1:53 rolnivexa.website udp
US 1.1.1.1:53 ferolixan.store udp
US 1.1.1.1:53 solvenix.store udp
US 154.216.18.41:443 travinox.site tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.178.4:443 www.google.com udp
GB 142.250.178.4:443 www.google.com tcp
GB 142.250.178.4:443 www.google.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 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 g.tenor.com udp
US 1.1.1.1:53 mdh-pa.googleapis.com udp
US 1.1.1.1:53 safebrowsing.googleapis.com udp
GB 216.58.201.106:443 safebrowsing.googleapis.com tcp
US 154.216.18.41:443 travinox.site tcp
US 1.1.1.1:53 www.youtube.com udp
GB 142.250.200.14:443 www.youtube.com udp
GB 142.250.200.14:443 www.youtube.com tcp
US 1.1.1.1:53 growth-pa.googleapis.com udp
GB 172.217.169.74:443 growth-pa.googleapis.com tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
BE 142.251.168.84:443 accounts.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.16.228:443 www.google.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 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 i.ytimg.com udp
GB 142.250.200.54:443 i.ytimg.com udp
GB 142.250.200.54:443 i.ytimg.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp
GB 142.250.187.228:443 www.google.com tcp
US 1.1.1.1:53 travinox.site udp
US 154.216.18.41:443 travinox.site tcp
US 154.216.18.41:443 travinox.site tcp
US 154.216.18.41:443 travinox.site tcp
US 154.216.18.41:443 travinox.site tcp

Files

/data/data/com.slim.tobacco/app_green/LU.json

MD5 e6e1168373328c6c96fcedf9ca95d4d8
SHA1 c3568025a20d3c8aa9eabd98abf7faff0eb0f2b9
SHA256 8386236f1a815a7fae0f5c4812195cb78a350f352dcfa256dd1f837c27551981
SHA512 f3ea704652bc414a38f21211077d3acc4c67bb5c1b3ad699afe72038ec321d00e52c8da641298ebf1e612d09fe4aa52f866e3bfd993fa84c1f0eadfcf49453c7

/data/data/com.slim.tobacco/app_green/LU.json

MD5 c09b0c67fd5676913585f4ad71cefa52
SHA1 091bc024552735b68859c7d9bb538f40c305c2d9
SHA256 56b60f155b72267a258e08a1029f8a7bbb0d344107b26dd8288c2658644c7021
SHA512 8de932f417f0e17ca92ed52f25480f55ce08bd5207e87a5f43ecbfdaafd2513d8c7b30873d6bb220317828f771d6286a117ee339fc78b0f5298741bbc1bb3ba4

/data/user/0/com.slim.tobacco/app_green/LU.json

MD5 d0731e23f18b8549569138abeb9643bf
SHA1 c36d933ffb4e86cb7939e8d2a5009a7116c80c72
SHA256 6de95df22f529d48b75bf949c9946993b8d0ddfbb717910a8023a262878d4a15
SHA512 880811845ad85c550e62899d09833190678f0fd7b2deb7f357e3c78cfc7dc54d29246f51587515f244109fddfbb24c9927cfe5a0e5510f7d26f4114bd8f451ac