Malware Analysis Report

2024-09-09 12:17

Sample ID 240625-zvkdesshja
Target c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc
SHA256 c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc
Tags
oss_ak
score
9/10

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
9/10

SHA256

c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc

Threat Level: Likely malicious

The file c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc was found to be: Likely malicious.

Malicious Activity Summary

oss_ak

detect oss ak

Enumerates connected drives

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-25 21:02

Signatures

detect oss ak

oss_ak
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 21:02

Reported

2024-06-25 21:04

Platform

win7-20231129-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe"

Signatures

detect oss ak

oss_ak
Description Indicator Process Target
N/A N/A N/A N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe

"C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe"

Network

N/A

Files

memory/1688-0-0x0000000000400000-0x000000000101B000-memory.dmp

memory/1688-1-0x0000000076A60000-0x0000000076AA7000-memory.dmp

memory/1688-503-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-504-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-506-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-510-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-514-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-518-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-522-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-528-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-530-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-526-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-524-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-520-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-516-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-512-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-508-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-532-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-534-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-536-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-540-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-546-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-554-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-560-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-538-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-544-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-552-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-550-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-564-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-562-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-558-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-556-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-548-0x0000000002F20000-0x0000000003031000-memory.dmp

memory/1688-542-0x0000000002F20000-0x0000000003031000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 21:02

Reported

2024-06-25 21:04

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe"

Signatures

detect oss ak

oss_ak
Description Indicator Process Target
N/A N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe

"C:\Users\Admin\AppData\Local\Temp\c538f0576822b062bf2125f8c8c5f54cf0a2fa314cf0d90b681f935efbc0cffc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
BE 88.221.83.184:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 184.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 215.143.182.52.in-addr.arpa udp

Files

memory/3436-0-0x0000000000400000-0x000000000101B000-memory.dmp

memory/3436-1-0x00000000769E0000-0x0000000076BF5000-memory.dmp