Malware Analysis Report

2024-07-28 11:38

Sample ID 240624-wm2qysycrl
Target 72bb843d6d3a915f717cae169d9387c172083f340424fb2d28f226218557d6d2.bin
SHA256 72bb843d6d3a915f717cae169d9387c172083f340424fb2d28f226218557d6d2
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

72bb843d6d3a915f717cae169d9387c172083f340424fb2d28f226218557d6d2

Threat Level: Known bad

The file 72bb843d6d3a915f717cae169d9387c172083f340424fb2d28f226218557d6d2.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 a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Obtains sensitive information copied to the device clipboard

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Loads dropped Dex/Jar

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

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Declares services with permission to bind to the system

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

Performs UI accessibility actions on behalf of the user

Reads information about phone network operator.

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

Requests modifying system settings.

Declares broadcast receivers with permission to handle system events

Queries the mobile country code (MCC)

Acquires the wake lock

Uses Crypto APIs (Might try to encrypt user data)

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

Checks memory information

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 18:03

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 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

2024-06-24 18:03

Reported

2024-06-24 18:08

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

133s

Command Line

com.carfullxw

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.carfullxw/cache/akwenaf N/A N/A
N/A /data/user/0/com.carfullxw/cache/akwenaf 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
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

Checks CPU information

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

Checks memory information

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

Processes

com.carfullxw

Network

Country Destination Domain Proto
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 mutlucivciv25.com udp
US 1.1.1.1:53 sinirlicivciv.com udp
BG 79.110.49.70:443 sinirlicivciv.com tcp
US 1.1.1.1:53 benkolaicmemihtiyar51.com udp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp

Files

/data/data/com.carfullxw/cache/akwenaf

MD5 903bee7eff3ca02a5b685d178ad5337e
SHA1 918faf730670fdd6fc8579296ca70c93773dd5af
SHA256 a5c36c34aaa9bd326238b5ee8b8abdf15f20c68e5d6a58eea1d5bfd7a524462d
SHA512 bb3dd4109b5117ba837fff81ec4f249b78e0ff5ef0c94c410ab3193cb7d962b83279ddb95020a622d61a5ff382723f5bf49c2e8e3342df5e81b242cfb3ee9e89

/data/data/com.carfullxw/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/data/com.carfullxw/kl.txt

MD5 6030dc717541d2af22e44692db1e22a6
SHA1 9101f7451cbf0f6a4f48314afd7e2fd652855b6f
SHA256 18b152ee2e91454a00b98daca6b6afc9f2027c61c8ab8273025316c5ec1b8de3
SHA512 e7b64c37ae5440033c610f1f37df62e1f084765cc6b668705b50b688bac127fa890de5aaa7806e441c31633776d873003877e1cdd5a056047c8c8cc17980e633

/data/data/com.carfullxw/kl.txt

MD5 d03bb21fa6495646ea5c748e4b26d0d1
SHA1 0a1fee3de08e52333ad315f93a7145a36670a7f0
SHA256 1dbfaf9048ddf4cdce2c1f1d6157ae2e7e2fe8512cf288c0a3813dd3aab65664
SHA512 7eea77c45bcc77da6653a58954254080a32d541d8d90ad2a006375b1997743bf76abc97f11ed0b909f94f1027fc1b34c31e65fc316af8dbbb8042f75473aba64

/data/data/com.carfullxw/kl.txt

MD5 817b00cc7c2e5f8f82d96b8fdeea8b01
SHA1 55316125f52d941dece307d114ec532b5fd9281e
SHA256 924c3f8c449722d508c2d93d4c441f3db17af9dafb7b64eb4aa63f7ec205ff08
SHA512 18c9d2d8660dc20b9abae5f22fe2ab16e612f213846a65ec49071e4c7827c370459a1ce42b986180b4b4352152bd689edf8350345d1d7ea1485b37573cfa42e6

/data/data/com.carfullxw/kl.txt

MD5 deada185a888f588ff701afd8f437ecf
SHA1 5a0a40d12cf692ef6a5445633a88f00a877db96d
SHA256 30259e0859089ed0514c08108f977aa973f11295415b7bfd760daed0ac8d00d8
SHA512 5aa8fd8dc01b42702b561bb239cd3f0ea20a8149b9ddc7265aab1c53f473e41f19661dcc7a2f2596e23e124936a46e624689faf3b83474bbcb08b86d86595fe3

/data/data/com.carfullxw/cache/oat/akwenaf.cur.prof

MD5 901a69a9065b8a4c22ed454ac21b030f
SHA1 d491ef3605d52daf0e08267852d1f599844460e9
SHA256 0079e75abcc990afaa66efadc9c02e26802831794242d09fabb38071afb77ad1
SHA512 fc86bc3e17d3cb0248938e62e9412e325f42a6e216f39b7d65c4a1c4b235a37530e301dc4d29c256530d6633d00dbd1b3b149370025316e69cd3efb9e9fa93cb

/data/data/com.carfullxw/.qcom.carfullxw

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 18:03

Reported

2024-06-24 18:08

Platform

android-x64-20240624-en

Max time kernel

179s

Max time network

161s

Command Line

com.carfullxw

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.carfullxw/cache/akwenaf N/A N/A
N/A /data/user/0/com.carfullxw/cache/akwenaf 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

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 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
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

Reads information about phone network operator.

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

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

Checks CPU information

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

Checks memory information

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

Processes

com.carfullxw

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 142.250.180.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 benyemekyememihtiyar2.com udp
US 1.1.1.1:53 sinirlicivciv.com udp
BG 79.110.49.70:443 sinirlicivciv.com tcp
US 1.1.1.1:53 benkolaicmemihtiyar51.com udp
US 1.1.1.1:53 aglayancivciv3.com udp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
GB 142.250.179.238:443 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 semanticlocation-pa.googleapis.com udp
GB 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp
BG 79.110.49.70:443 sinirlicivciv.com tcp

Files

/data/data/com.carfullxw/cache/akwenaf

MD5 903bee7eff3ca02a5b685d178ad5337e
SHA1 918faf730670fdd6fc8579296ca70c93773dd5af
SHA256 a5c36c34aaa9bd326238b5ee8b8abdf15f20c68e5d6a58eea1d5bfd7a524462d
SHA512 bb3dd4109b5117ba837fff81ec4f249b78e0ff5ef0c94c410ab3193cb7d962b83279ddb95020a622d61a5ff382723f5bf49c2e8e3342df5e81b242cfb3ee9e89

/data/data/com.carfullxw/kl.txt

MD5 6311c3fd15588bb5c126e6c28ff5fffe
SHA1 ce81d136fce31779f4dd62e20bdaf99c91e2fc57
SHA256 8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8
SHA512 2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

/data/data/com.carfullxw/kl.txt

MD5 3a0a5171739320b60021c7c166268d6d
SHA1 81aff80a771bffeaceffe80dff9d4745659f59fc
SHA256 e2ecbaa7f279b9fccb4a9090ccffd94bd3f8f4b8ffe7d9c65693439611c63774
SHA512 29360d934a2a8c80d8e44f1bfcf1cc8eaacc02c1164dbcda2c7c5cf400d390a40e5cc51987ba74bd81208d7b277546ba7b8f347a21e48221eb07ea356dad3a3d

/data/data/com.carfullxw/kl.txt

MD5 0a5c673a51fd88d7fd0146011c0478b7
SHA1 a68f930f8100a3ccfb12629b75f040428c98767f
SHA256 3eda3ff5966128daf6351464fac14c36259917016cf66cf3f1e2924d047da63c
SHA512 7f3e65b97bca370444bf4b3fbfa5a975671f4b1047f38882508d3deb30aaef1000888c7c3435d9bb499d703ab8c42c66dd9ee5240d291e3454e5a8786dc08b0f

/data/data/com.carfullxw/kl.txt

MD5 6ba7a63d1427a0c2ff9a59e035efc6fb
SHA1 41d7dea37ba0d3cab8f00c813496b04632b60e0b
SHA256 4147f0caf00918dae66fb46f50e87ac3168c262933fcb7791ec8255c4856451c
SHA512 f9f3e085c973546cd0fbd510ad4b0a3ae472aa506292acb8d173ee672585f740d4902652fb14f4b4c0d6002c6211ca9a9a2d12724bbfcb933ef5884030ca7215

/data/data/com.carfullxw/kl.txt

MD5 7804f7e0e1f77210573e7204cd322eef
SHA1 9369cd4f0344d8b66338adbcdc1af98ea684b699
SHA256 f992601ca82552d9c81ce6854be213c02d465fe0ed5aab3b2ffda2423044d03e
SHA512 053df21a7e54027efc44962c29b786e7568129a74783e32ac2e9302e32ce6412aaa16c8960200b4c791dce2ef275f21b707f4c5b2f06ec9a793eb054d99fbc30

/data/data/com.carfullxw/cache/oat/akwenaf.cur.prof

MD5 f8ae50e93b978970c0dd1c9375259d69
SHA1 3667fe6e6c2b950ecf846ada78cefdb3a072fc08
SHA256 49afc969600dc442aa0108580f43acd0db85b79cd470f0eb9985bb62076274a2
SHA512 766690e4c33effe0e577f5c0e3af77377cbf6b1967b9d1732736795866fc56983784b0e3d16b2364f45a31cd24c6426b1607d28b97b2b7c884bfa8a41fa5c87c

/data/data/com.carfullxw/.qcom.carfullxw

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c