Malware Analysis Report

2024-09-09 13:43

Sample ID 240503-gd9ymsge4w
Target 24d31427e6d97833fc863edded7508bc41b7847ef815d7a3643aae4429448afd.bin
SHA256 24d31427e6d97833fc863edded7508bc41b7847ef815d7a3643aae4429448afd
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

24d31427e6d97833fc863edded7508bc41b7847ef815d7a3643aae4429448afd

Threat Level: Known bad

The file 24d31427e6d97833fc863edded7508bc41b7847ef815d7a3643aae4429448afd.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

Requests modifying system settings.

Removes its main activity from the application launcher

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

Makes use of the framework's Accessibility service

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)

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Loads dropped Dex/Jar

Requests dangerous framework permissions

Reads information about phone network operator.

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

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

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

Declares services with permission to bind to the system

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-03 05:42

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 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

2024-05-03 05:42

Reported

2024-05-03 05:45

Platform

android-x86-arm-20240221-en

Max time kernel

149s

Max time network

147s

Command Line

com.heardbigiifv

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.heardbigiifv/cache/zvpabe N/A N/A
N/A /data/user/0/com.heardbigiifv/cache/zvpabe 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.heardbigiifv

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 142.250.178.10:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 maraksatandas13.shop udp
US 1.1.1.1:53 marababrtdas.shop udp
AM 85.209.133.148:443 marababrtdas.shop tcp
US 1.1.1.1:53 teckmarakbads2.shop udp
US 1.1.1.1:53 teckmarkanary1.shop udp
US 1.1.1.1:53 teckmarkanmdas4.shop udp
AM 85.209.133.148:443 marababrtdas.shop tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 142.250.200.42:443 semanticlocation-pa.googleapis.com tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp

Files

/data/data/com.heardbigiifv/cache/zvpabe

MD5 193caceb1f2c36df10b826b559b59943
SHA1 004cdeabfe09592546f2a7daacae34e52df7307f
SHA256 dfc0d77226c5e5ce7ac6d5feefcb3a4030c98556bf4cec05eee42ccc6add3b74
SHA512 ca1691070d02290ea7b6b35ccd3100e179307767b0632549d9925b3abe9545eb36d1d1f8e7862cb39b1095314d82aa3e52e6811b39e3d55037c3cd15155467fc

/data/data/com.heardbigiifv/kl.txt

MD5 1f7d19e975fae623abec26872e43a274
SHA1 a57cc0f0e2cffc00642fc1dec355091d36192d3d
SHA256 b0081ccbb6fed0213f0de6d262bc08204a811d7f8a0d7a9d3e5421e03b5f63ae
SHA512 fcc80cbd2add200e0e63e4aba42a60dc55b19652b325adb3607306fc62db1e21070fed2b128463fdeaf9cc9b962bfe152fc33fa2e3d4c61ca4f4912b7e2a83f8

/data/data/com.heardbigiifv/kl.txt

MD5 eb37c16bfe2f5a25075cfda3108e7f0e
SHA1 71b343b5872f6cf0daf2cc53bd40c8d9c59bb173
SHA256 e0ba8e28559678951c70495d28c05066f26051ffcfc6fca6f3d67fdf4a38877b
SHA512 58e96ec9077c0979293bf5dc288bf5afeda01af4e7bafa2821089f52142f647df21d5f318d43f943a22b6e49d19942efa7c46545c956cd49cbd86c73b1eebcfa

/data/data/com.heardbigiifv/kl.txt

MD5 455ef9b1bcabdc983c538ee8bf9075ac
SHA1 7037d7cb229565dcb0d20196bbb7d4d7e39f334f
SHA256 33cbf6b19921b9cbc0e7f168a0aa9973754b551db229d6222f5be05182cf44da
SHA512 818f72d0dc37151dc48e9e335e8d0ad59a66871cb79872936d78c52e09c31951c11bdfa95ff9f0af8cf8ee232cc2c265c5af6032479528dd3acbfdd194feda0a

/data/data/com.heardbigiifv/kl.txt

MD5 45204938e45e4899f89fedf07be3b040
SHA1 34e138d43f7e1cec937ed811f379e55a3905d22e
SHA256 14a58c75e85958ba29bc97f78b2ad5d8e0fbdcf54e3008cc672d9dbcd570032f
SHA512 f7a43842fe2bb5d1553c955fbf1c5bc431a3f0b41dd4ed0259dae84aff77c0785084b59d8c1d3fb5eb4b8d0dfcf2ca99c52a4ecf2ebaa487d9b39818fba11dbb

/data/data/com.heardbigiifv/kl.txt

MD5 e5c710d74d0e65d451bf0213ae527a32
SHA1 bfc87d134d344b641896469b3af50da1c4e484a9
SHA256 cc316be8124e23f815f0317710b3dbd4a4e46a0837c999bd3a1e16b8d0fae9c3
SHA512 a7ad844a2a4e75dc007f94b57008689cd47cac344465da40f2d1928a668a19ccad9ff6d6e265436131230531d2854829dc6a72317bc647a95be55c38bfe16f0e

/data/data/com.heardbigiifv/cache/oat/zvpabe.cur.prof

MD5 a90e0fd25d21203fbf889f5919fd029c
SHA1 769b1ccde5664d2df2d0edf7dddcc52923ed497e
SHA256 030cef6e7ace80179a520f9b9747a80a85f33002ecf1e2f0c60d5a9894c21ca3
SHA512 3c36e27401161a560e85817834419cb0036b036b2612226e16308044d85242c84fc788aef0d1faba4299be30686c1aa6b04a2edd8b1ba71bfffb051d46b64f59

/data/data/com.heardbigiifv/.qcom.heardbigiifv

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-03 05:42

Reported

2024-05-03 05:45

Platform

android-x64-arm64-20240221-en

Max time kernel

150s

Max time network

159s

Command Line

com.heardbigiifv

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

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.heardbigiifv/cache/zvpabe N/A N/A
N/A /data/user/0/com.heardbigiifv/cache/zvpabe 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

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.heardbigiifv

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.74:443 udp
GB 216.58.213.14:443 udp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 teckmarakbads2.shop udp
US 1.1.1.1:53 maraksatandas13.shop udp
US 1.1.1.1:53 teckmarkanary1.shop udp
US 1.1.1.1:53 marababrtdas.shop udp
US 1.1.1.1:53 teckmarkanmdas4.shop udp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
GB 172.217.169.4:443 tcp
GB 172.217.169.4:443 tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp
AM 85.209.133.148:443 marababrtdas.shop tcp

Files

/data/data/com.heardbigiifv/cache/zvpabe

MD5 193caceb1f2c36df10b826b559b59943
SHA1 004cdeabfe09592546f2a7daacae34e52df7307f
SHA256 dfc0d77226c5e5ce7ac6d5feefcb3a4030c98556bf4cec05eee42ccc6add3b74
SHA512 ca1691070d02290ea7b6b35ccd3100e179307767b0632549d9925b3abe9545eb36d1d1f8e7862cb39b1095314d82aa3e52e6811b39e3d55037c3cd15155467fc

/data/data/com.heardbigiifv/kl.txt

MD5 03b9e3542564132945ff4c57c51a6bcc
SHA1 d57e2f5731d211e6c5f1fd7b067fa509c2ba81fb
SHA256 cff79dbccc59cdc615f1ec248e753fccb482990e9feb9b8e01d3272cb01b344d
SHA512 be9acc99c4de926fbd33ab5d00547508a920d65e24b4f6a01345985b34457e902652b379777724b7641c3dcb5a3aab9698cabbd3ffd165dc64ce1a11e806d883

/data/data/com.heardbigiifv/kl.txt

MD5 94479499d1a76a35df5a9504bc189131
SHA1 537cb33a50bc0d8f5f9251a394791c26a76aa847
SHA256 98de74a56c10333357641f0de36da78d24872fd12c61e020e619740dde6a8749
SHA512 cc8cb79c9e4a6a7d295ca23f19ed41b2944b4db3f9ba9a17595daaa814d869e0fccfcf1866e3385178ce445501e2d332afe9b086252e40b46240c0a85a44faf5

/data/data/com.heardbigiifv/kl.txt

MD5 05707435b982b4cf19029194bd7602fb
SHA1 f57a2f74ce07bc0b6dbd80ae0e94c7b778bbf8cb
SHA256 b4aff0eec5d9abe33e9e1f26b3a24b9bad2848a385a8dfc8d76261ad71751713
SHA512 0cec785c982620e39b268b746e31f30648d5210cba0ac410f121d9dbcce9d9ce633421eb2b765ab4219a339bfb06b33ca88ac07ed7583d7ab559e0c9d79e982a

/data/data/com.heardbigiifv/kl.txt

MD5 8ca5e957c263f6a43f061924d6169b4d
SHA1 9abf372d1aecd8506076bc2bdf25028e586a5699
SHA256 15ae6e64c974daf305590dc490d9730233313537f6e089e6eb3b2a5b38b74bad
SHA512 28a4e9b5bd80162760aa98600a1565113fbad06f90dc76277f2c5aca4e177e7e42c2743bdc7b4dc0372ef60b984c1a4218e03bbd5485a986889f3b0591a6136f

/data/data/com.heardbigiifv/kl.txt

MD5 0f975bea4ad7c08b7b505ec7932dae03
SHA1 d2b4524c5bc01db23162f26c23ad06f653bb877e
SHA256 8b2cad8ee4bab42b1d75cb37d7029f3b62113958dbcccf1b03c68970d715b064
SHA512 2fd68184cac1dabec31da9bca4be7ed1f465afb5414d9558a2f7f388304357562252206029b3d06421e9e0ead22f87fb1770bddfb67c6123653f1f6891901341

/data/data/com.heardbigiifv/cache/oat/zvpabe.cur.prof

MD5 5e5412a6cc75142b1a9ab046a7ae8512
SHA1 24fa0f03a4595d542300958f26fb32ff2a881bae
SHA256 39fa58363272a0af9276d5599c130ebb19cff5879920e7cf5927a7373076cfdb
SHA512 ad939d2d6084b2a799ece3f38d1673c2a5a2469ddd9644241c64002718e7157c80f4186bc8637c11a66ec8674fd3dac40a553934ad892a79268da41fb1dfda9b

/data/data/com.heardbigiifv/.qcom.heardbigiifv

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c