Malware Analysis Report

2024-11-13 17:37

Sample ID 241109-1xzfsstbqh
Target c57713a444ff45e8ef8f0bab4a9d4511c04bf26a617f0ac2119e8d40ce8c9af6.bin
SHA256 c57713a444ff45e8ef8f0bab4a9d4511c04bf26a617f0ac2119e8d40ce8c9af6
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

c57713a444ff45e8ef8f0bab4a9d4511c04bf26a617f0ac2119e8d40ce8c9af6

Threat Level: Known bad

The file c57713a444ff45e8ef8f0bab4a9d4511c04bf26a617f0ac2119e8d40ce8c9af6.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 family

Octo

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

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

Performs UI accessibility actions on behalf of the user

Declares broadcast receivers with permission to handle system events

Requests modifying system settings.

Acquires the wake lock

Declares services with permission to bind to the system

Reads information about phone network operator.

Queries the mobile country code (MCC)

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

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

Requests dangerous framework permissions

Makes use of the framework's foreground persistence service

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

2024-11-09 22:02

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 app to post notifications. android.permission.POST_NOTIFICATIONS 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 applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM 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

2024-11-09 22:02

Reported

2024-11-09 22:05

Platform

android-x86-arm-20240624-en

Max time kernel

149s

Max time network

139s

Command Line

com.beenday7

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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.beenday7/cache/eeuocqt N/A N/A
N/A /data/user/0/com.beenday7/cache/eeuocqt 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

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

Processes

com.beenday7

Network

Country Destination Domain Proto
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 oyunbaimlisi35.com udp
US 1.1.1.1:53 mal1fukizmirli.com udp
US 1.1.1.1:53 malkafali222.com udp
US 1.1.1.1:53 fukiyibartiyom2.com udp
US 1.1.1.1:53 malkafaniskm.com udp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp

Files

/data/data/com.beenday7/cache/eeuocqt

MD5 5b24a3c58cdd3c3e75ce891986b05e72
SHA1 f7d31e75e417d613f06aba54b136c37206f12c02
SHA256 29f8cd86c7fb30126e99867d8f136873196bff398bc31763a5d602a340301369
SHA512 3acd7e7f99a8abb995e2784a9bf0803e7869b2d3d33f25988d279abef29f83a152e9315b1dafeb507f420c4241b367f789ed9438509c8f45a25d581d49559421

/data/data/com.beenday7/kl.txt

MD5 657bbf108de66b4130fb97b621004df0
SHA1 90f048ee9fd11921eb757d4c8798bd809a1ec3a1
SHA256 d3cf7bf3495c55d9a9296628173f14365ed34159a19470511536b12db76ecb94
SHA512 bc5c2871cfb3af33424495e7a47fac4c5e899f7efaf7a58192ce12c7bb318908f0d7a92a2b26dd9a2732cd4a248d110cd534b6a47eea03a9621c788f21ca73e2

/data/data/com.beenday7/kl.txt

MD5 dee04dd781a25e43f5f28bcd59d05baa
SHA1 e2b2c8ff4092716bf870c64899beec08bd7a37cb
SHA256 152c41402196a53627657c6fdd9e189721f80042d4add3ce677c7e4eda5f3c2c
SHA512 d5f27956da283dcd75af62b0da24a39f242307e02997aff31e8d661756903175d62f193542d56264c851e29524d84655bcfe94c1518e52e91562642935757e5a

/data/data/com.beenday7/kl.txt

MD5 3b7f57cdc7b4571c0ea49b265aa062fe
SHA1 bc3ee9257ee36a95725278215d8d92605b33f831
SHA256 d92a74ce752d1402fcc52bf1d5fce4eee5ca08dae6f2ea6a7f307d181af0cefb
SHA512 4b406241c6c9634bd7e0acecef49f7edc385cb69f78bb2ac0e35594f21b6e595f365dcf03285a5bd6f4498ad2222c4fe00487251debe11f3761c7bc439436d44

/data/data/com.beenday7/kl.txt

MD5 b0b9d052517d3e29749f6edaaeba8e3b
SHA1 a09d9769aee5c7a80445eb457fa78fed8a648489
SHA256 bdf7f60c941e6834772eded725c3fd5bda9c8bacfbaef7a911f34390731fa40b
SHA512 2df6a11018793a77f71ffb5e1002e9c07fcd0379cdb81ce69e8578185971c6f85e6a6559ccf793938ef6b49e3913ebf8d3deb9524a359b24ea1d97f5fa62cabe

/data/data/com.beenday7/kl.txt

MD5 ebab6d6f86f604420aed9301b9b355b5
SHA1 8c1f395b7e1acc57b615dc30a0a071c8f165b4ad
SHA256 ddb5d2e351b8c77d0fed5f72ce41e9350eda2cacd543d5c2916fdb557310b2d2
SHA512 72a086109478a6ac967dd63114b8899ae0fc0bf4c2a69e5a8ed65faeb79a3e8bd7f118566c39f9d9550c51e1fb5a4fac098856b4ae4f0274c3ede667ee81d0a2

/data/data/com.beenday7/cache/oat/eeuocqt.cur.prof

MD5 56b74a5afb03e5a2b97837c08a73b8a3
SHA1 a885ef9d072eb9d23374c7aa877032e6755803c4
SHA256 fb946469a0b5f7276bbfc304e298fcb7ee4015e49c64f58f7eac1197dd4eff14
SHA512 4579b715b1ed42694ab62ec607f0b8dc2f94f9403b3d95033c1c2abd0aad7e925dbcf9b57f9276689ce848f55c323d9d89a25120652971d7df2473fc80b0fb69

/data/data/com.beenday7/.qcom.beenday7

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 22:02

Reported

2024-11-09 22:05

Platform

android-x64-20240910-en

Max time kernel

149s

Max time network

150s

Command Line

com.beenday7

Signatures

Octo

banker trojan infostealer rat octo

Octo family

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.beenday7/cache/eeuocqt N/A N/A
N/A /data/user/0/com.beenday7/cache/eeuocqt 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

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

Processes

com.beenday7

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 malkafaniskm.com udp
RU 193.143.1.4:443 malkafaniskm.com tcp
US 1.1.1.1:53 mal1fukizmirli.com udp
US 1.1.1.1:53 oyunbaimlisi35.com udp
US 1.1.1.1:53 fukiyibartiyom2.com udp
US 1.1.1.1:53 malkafali222.com udp
RU 193.143.1.4:443 malkafaniskm.com tcp
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
RU 193.143.1.4:443 malkafaniskm.com tcp
GB 216.58.213.2:443 tcp

Files

/data/data/com.beenday7/cache/eeuocqt

MD5 5b24a3c58cdd3c3e75ce891986b05e72
SHA1 f7d31e75e417d613f06aba54b136c37206f12c02
SHA256 29f8cd86c7fb30126e99867d8f136873196bff398bc31763a5d602a340301369
SHA512 3acd7e7f99a8abb995e2784a9bf0803e7869b2d3d33f25988d279abef29f83a152e9315b1dafeb507f420c4241b367f789ed9438509c8f45a25d581d49559421

/data/data/com.beenday7/kl.txt

MD5 236e0b6e0944618fbec66dcd1f49956c
SHA1 7876364b504dadc0308f270cf663c9a7a13a7f0c
SHA256 bf4e3bc8d28e824a39a1ad43f2666a1313adaca2e52afa4dba2aa215a45fa4fc
SHA512 bf020e90ac358611f9e449817baaaf9fbfe0253cfe248619539728a7a211dc9341bc4b98140227f1232edabd9cc073a2bcec210a17f5bdae8a608a93ec56e824

/data/data/com.beenday7/kl.txt

MD5 8100c36c10a80ab71b48c3dfa7b47aaa
SHA1 ed00732de177d472f9a9c41fc8553d44b0d26478
SHA256 807b63c877f51fe9df5347fc3c81bf919f34fa1651b46e7763811b352e9ccac4
SHA512 0202678f7d20f6583c86f4faa771f741a63861c0dc795334eb1c2a6ff35337b7c7cf9575ab2a34504a2acb533c7586b8f1cdac0317f630c315d9d3c30e22d04a

/data/data/com.beenday7/kl.txt

MD5 42043ce1a11ed97834ddd0f96827b0d3
SHA1 fa24f58bb2c4ab780e1b27f9240a95a8c0ca922b
SHA256 605618afdcd22c1702bd658604c795c99e23628b6fe95a51abb3f5ae9b65515c
SHA512 69f88e50d75889793f5670ca7371ca3638fb4f56a81c68e42b2307e026ac5c6cf2d1cec27e2dc4b8fb6e9d1d19e59464481cd5dc17cc1e1c095e59d64e72373a

/data/data/com.beenday7/kl.txt

MD5 ea2a311b8ba0a76916a1d27c32d490f1
SHA1 0f2d5f6b55035cdc5e0130263078060b3fd31586
SHA256 6d22102d2a6078330693fdbd8a9d1b8df842c1193fecda9566f7ab34f9a2792d
SHA512 f7b23a2c149d0b1a6857cd3e0b6cf247d39d2270f8e8fb3f708d3ce61eb46177c3f0acfe9d62ac69fcf0283ec1c914752bced9ba8361f9fc71ea8de7d835b643

/data/data/com.beenday7/kl.txt

MD5 9fbd0cdf206be5a0453b071738ba899a
SHA1 332cb00b86655014771e04d020ae6be5a9e03fa5
SHA256 55c18e786df8b1b3c6cd0afeee3f7d41f5627d407c67e8c42a1919b64d2f3935
SHA512 59f1fdd2b787ffd6c11292e0746e23c4e5a66130c15c899df6781b0652efe30b15ab08a2cd1408f5e8bc28e73538e439e623d877d7b2eef41e45a9e04635cc06

/data/data/com.beenday7/cache/oat/eeuocqt.cur.prof

MD5 559ef9c505f94f223ff1bf503a5d566a
SHA1 c651bb84a0c7a9ebb7e971986e7eb0c0e69b58c7
SHA256 a3a6034eed229787b924720eaa27ccbfffe314de59b07155d4bcb076f2237d42
SHA512 ef04c6ac8dd71f8e970507a346a9a108ad331eb0e3d8d909bc36b4ae4872a45d1c47d9f98566e696d1280c4ed1a3e6b67dec88bdd50bf997c5f4616a22a32450

/data/data/com.beenday7/.qcom.beenday7

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c