Malware Analysis Report

2024-09-09 13:42

Sample ID 240529-2t747sdh28
Target f698fbb2bd46a4b6a9c8da3d74658772b47b3e43dafc494d55b4f54916db2ba5.bin
SHA256 f698fbb2bd46a4b6a9c8da3d74658772b47b3e43dafc494d55b4f54916db2ba5
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

f698fbb2bd46a4b6a9c8da3d74658772b47b3e43dafc494d55b4f54916db2ba5

Threat Level: Known bad

The file f698fbb2bd46a4b6a9c8da3d74658772b47b3e43dafc494d55b4f54916db2ba5.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).

Removes its main activity from the application launcher

Requests modifying system settings.

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

Prevents application removal

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

Obtains sensitive information copied to the device clipboard

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Makes use of the framework's foreground persistence service

Checks CPU information

Checks memory information

Queries the mobile country code (MCC)

Acquires the wake lock

Declares services with permission to bind to the system

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

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Reads information about phone network operator.

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-29 22:53

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 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

2024-05-29 22:53

Reported

2024-05-29 22:56

Platform

android-x86-arm-20240514-en

Max time kernel

179s

Max time network

155s

Command Line

com.snowcompletefyq

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.snowcompletefyq/cache/lletscw N/A N/A
N/A /data/user/0/com.snowcompletefyq/cache/lletscw 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.snowcompletefyq

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 142.250.187.206:443 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 www.google.com udp
GB 172.217.169.68:443 www.google.com 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 2moneycsasfasfh.com udp
US 1.1.1.1:53 3moneycsasfasfh.com udp
US 1.1.1.1:53 moneycsasfasfh.com udp
US 1.1.1.1:53 2moneycsasfasfh.net udp
US 1.1.1.1:53 moneycsasfasfh.net udp
US 1.1.1.1:53 moneycsffhgm7.shop udp
GB 172.217.169.66:443 tcp
GB 142.250.179.238:443 tcp

Files

/data/data/com.snowcompletefyq/cache/lletscw

MD5 2eb5d79a2030280606286bfdcb0c6e8f
SHA1 43da73a57e47b70678bfb652602af4c2ec65cad8
SHA256 5d5a7dbe2e41740bf7397f905762d4f6f461f546c58f6877abf179d9eddcb7b9
SHA512 8bb734e791dacb406d8ce5cacd58f22aa695608691a590f14f060bdfe8d08c4e37d0cd4ad71a0b8b5edaa769c0b5cb9ce64e7f344e7a79eb03690dbf29d29529

/data/data/com.snowcompletefyq/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/data/com.snowcompletefyq/kl.txt

MD5 322bb91ab14beba8f3b9dda0caa2da5d
SHA1 db7e216e23074ca234ff80d578f39bceb8cccad6
SHA256 97b76c2a5445e6c757e21ddc5725705786846562ed05aae07a6f55a921ce8805
SHA512 64bccb50bdeb469f677db81cd57f4a8efdb695ea06096301a31db1440830509870c4f169bb87557e5cd9eda961f3873f9d2672498aa0f30d41372d1d08368e23

/data/data/com.snowcompletefyq/kl.txt

MD5 77c941f801f7876b00d60725702cd4d6
SHA1 b66df67a1b410d85f6dcf991af42270dfc6aae76
SHA256 576b1cf15547c272b96d2b8f720bfcc7fab93883dc77a8072122bde444fba6ee
SHA512 dc9171d7de34247c73816c424789e2b2da754edc22f7f220437e07fc084ac1d84ff5b7fbd54ae39b8a643e07a4f675e4106d2ac1bf361c26ba85c0754fdcc280

/data/data/com.snowcompletefyq/kl.txt

MD5 582a30fcd024361de12caffe6fdedab7
SHA1 158ca2b9f6a25b71c3e5155b9729ed1690174404
SHA256 46e3188c1532e162853fb3ddc75109de428f5ba27f3f47ac32caecdc307ec52e
SHA512 f5c4308a9401197fccb35f74af9c3591b0cfcdb2e89d68d506ff3a96fe690448f4ae75939747bf0f7cdb331f1ba2232a5ba0a371a98d61934c5533710ab7d094

/data/data/com.snowcompletefyq/kl.txt

MD5 11f3b3e384378fcb21adb021a49cd9aa
SHA1 9f188166b39eeb9a8f7dd50d0b39489463d0d244
SHA256 3baa2b88e18c20652c4221e8534547a2bab9173bc8baf1805fdf30a262aa6d57
SHA512 0523f0094cf657dda40cd4c4e7adb19ea436b244da140dd9fd2213b61b2283f647c3874f374d59f64b23ac1b4d1e4af56d66f7854c018f3cac545f221f9e45bb

/data/data/com.snowcompletefyq/cache/oat/lletscw.cur.prof

MD5 27cc2ad111462c6318b04d68132e1a17
SHA1 87aa1c7919774ef8f30062a093787aff59db14c7
SHA256 d9803a8334b416896cf71b6ff4e7e9f1537be7b15727630628a40e0b8d79dced
SHA512 5ea908d259bbefffb4c381b03660f2d4f3e030058e96b1cecfddc384fd5b6eabe3be29c7c93b6460fa5c447b7d829620b955042c32299eb5ab13c67af1f4a512

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 22:53

Reported

2024-05-29 22:56

Platform

android-x64-20240514-en

Max time kernel

179s

Max time network

159s

Command Line

com.snowcompletefyq

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

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.snowcompletefyq/cache/lletscw N/A N/A
N/A /data/user/0/com.snowcompletefyq/cache/lletscw 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

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.snowcompletefyq

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 tcp
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 moneycsasfasfh.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 moneycsffhgm7.shop udp
US 1.1.1.1:53 2moneycsasfasfh.net udp
US 1.1.1.1:53 2moneycsasfasfh.com udp
US 1.1.1.1:53 moneycsasfasfh.net udp
US 1.1.1.1:53 3moneycsasfasfh.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.212.234:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 172.217.16.226:443 tcp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp

Files

/data/data/com.snowcompletefyq/cache/lletscw

MD5 2eb5d79a2030280606286bfdcb0c6e8f
SHA1 43da73a57e47b70678bfb652602af4c2ec65cad8
SHA256 5d5a7dbe2e41740bf7397f905762d4f6f461f546c58f6877abf179d9eddcb7b9
SHA512 8bb734e791dacb406d8ce5cacd58f22aa695608691a590f14f060bdfe8d08c4e37d0cd4ad71a0b8b5edaa769c0b5cb9ce64e7f344e7a79eb03690dbf29d29529

/data/data/com.snowcompletefyq/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/data/com.snowcompletefyq/kl.txt

MD5 8d9c8327c3bcd0d22cc33d87d1dad0f4
SHA1 19e63ad542ae8d994fbf8eea3face3f10f817930
SHA256 843e0657f1476051dcfea550047dbb8a7096b95facccf678dadd0b062540ab33
SHA512 72eeee6b84b87636e984a6388ef797e7c3974e0fe9b893de7ce49b6ba83a9e1fafeb222abb9c1af3338b49bc90963e978bf03b36e3b17762a0d90b7c606a5fcc

/data/data/com.snowcompletefyq/kl.txt

MD5 689370c58f241df8e17c9a23ffbfc31f
SHA1 684f5f28c8e0088913f008c079fc0fc47027c05f
SHA256 87e4c29298048ef83e56d88bbdd38cae37e8f89dee008e8c740dc7acaacd1bbe
SHA512 931f4e323c4da8c757daf9120b32120ed086eae7b7f3d84008b2387af19d72db73df196bf223e054a752406eb0fb55918a9eb2bcf21804d0e5a397aae75ed1f7

/data/data/com.snowcompletefyq/kl.txt

MD5 d9b733f5404134750dd0286e4525246a
SHA1 44f157234e411c7583a02f0afc6c2ba42cb04d42
SHA256 7ddb3c470db17a839de51f17e821c596c0923371cb44f5d18482b565109e5d77
SHA512 643a08f32327265127a561b1e36098dd0035cefef7242714fcd9711d266144eac5fc2efe2d38fa727a2409a1952ed377b282d3d18571f6ab8bf9ce109a1f48f2

/data/data/com.snowcompletefyq/kl.txt

MD5 039240f7c89fc00206997cdac015c577
SHA1 8491c2244bdd01b8ff73f39f06cd6d1980a0ef69
SHA256 bed322fed7f284bf64ce51f3a45fba3438f5cb56fdc17ab1014b27a1147ba3b4
SHA512 699d1e9a8d41254cabf2a35b65b6d39cccc0ed60a6428471708aa4816ad1e75cb47d971255e85c050349b170ccc1b64cd53d605cb7db9a869565c0908b9a91c7

/data/data/com.snowcompletefyq/cache/oat/lletscw.cur.prof

MD5 0a9a77bb2943a3f5fd16bdaaaae7654a
SHA1 3acdf57876e6f1b3ea47bcc35a40b479e42b2a04
SHA256 2b4d5f3964435a7f1d4620ae9abda77bb5b5813e8b115e7bc25ad1b30ba2643b
SHA512 9751931dfd80f45912b23f8a07e75e412cc24cdd249a2ce45ce2cb81da4f72f3ddef41f3765c1c366ba018a68750d1501c5d2cb4cbf1cfe2862e1838fb0110e1