Malware Analysis Report

2025-03-14 22:26

Sample ID 240407-24k3eshd84
Target 8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e
SHA256 8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e
Tags
persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise 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
7/10

SHA256

8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e

Threat Level: Shows suspicious behavior

The file 8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 23:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 23:08

Reported

2024-04-07 23:10

Platform

win7-20240221-en

Max time kernel

150s

Max time network

124s

Command Line

C:\Windows\Explorer.EXE

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\cmdk_ssp\ktmuocom.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\~5ABD.tmp N/A
N/A N/A C:\Windows\SysWOW64\ndadlwiz.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\ocseeout = "C:\\Users\\Admin\\AppData\\Roaming\\cmdk_ssp\\ktmuocom.exe" C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ndadlwiz.exe C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\cmdk_ssp\ktmuocom.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\cmdk_ssp\ktmuocom.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe

"C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe"

C:\Users\Admin\AppData\Roaming\cmdk_ssp\ktmuocom.exe

"C:\Users\Admin\AppData\Roaming\cmdk_ssp"

C:\Users\Admin\AppData\Local\Temp\~5ABD.tmp

1256 475144 2772 1

C:\Windows\SysWOW64\ndadlwiz.exe

C:\Windows\SysWOW64\ndadlwiz.exe -s

Network

N/A

Files

memory/1612-0-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1612-1-0x0000000000220000-0x000000000029D000-memory.dmp

\Users\Admin\AppData\Roaming\cmdk_ssp\ktmuocom.exe

MD5 1a1ce508ab192a97efa74a1db4df01ad
SHA1 74aeafc8e85be4eba2db834785b5b2d3a5371563
SHA256 522706924c6f2b15ff17311601e08d80627634cfa4abd9f2120fc4e202f73287
SHA512 cbd98f08158ac198a0640387440424081f5bbee053940ed2cc52d12c43728f49223afd571e81010c535c4a48e7acec41cd331313e30eaa9d22059fb962cc3585

memory/1612-5-0x0000000000580000-0x00000000005FA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~5ABD.tmp

MD5 86dc243576cf5c7445451af37631eea9
SHA1 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA256 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512 c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

memory/1256-17-0x00000000042D0000-0x0000000004354000-memory.dmp

memory/1612-18-0x0000000000580000-0x00000000005FA000-memory.dmp

memory/1256-19-0x00000000042D0000-0x0000000004354000-memory.dmp

memory/2772-20-0x0000000000220000-0x000000000029D000-memory.dmp

memory/1256-22-0x00000000042D0000-0x0000000004354000-memory.dmp

memory/1256-30-0x0000000002A50000-0x0000000002A5D000-memory.dmp

memory/2772-29-0x0000000000400000-0x000000000047A000-memory.dmp

memory/1256-28-0x00000000029F0000-0x00000000029F6000-memory.dmp

memory/2580-25-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2772-21-0x00000000002C0000-0x00000000002C5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 23:08

Reported

2024-04-07 23:10

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

C:\Windows\Explorer.EXE

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe N/A
N/A N/A C:\Windows\SysWOW64\netelog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\~42B6.tmp N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\shutinfo = "C:\\Users\\Admin\\AppData\\Roaming\\Dismnced\\esencopy.exe" C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\netelog.exe C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe

"C:\Users\Admin\AppData\Local\Temp\8a4b6429a32906af0b256c3f736058c372e579e0e90f9546d90fc7bc239d640e.exe"

C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe

"C:\Users\Admin\AppData\Roaming\Dismnced"

C:\Windows\SysWOW64\netelog.exe

C:\Windows\SysWOW64\netelog.exe -s

C:\Users\Admin\AppData\Local\Temp\~42B6.tmp

3532 475144 4700 1

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp

Files

memory/2312-0-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2312-1-0x00000000006E0000-0x000000000075D000-memory.dmp

C:\Users\Admin\AppData\Roaming\Dismnced\esencopy.exe

MD5 b0a4bde7060e68a676be15b69f61ddde
SHA1 8778ec6ae6edd960f91c46427a1c3247dca7ad08
SHA256 15f24cd8ec9d8bf6076c85499065a4a7c191e667c8e22311d27ce06b82e623a2
SHA512 0017a6537a938e6b3793fb90804fe907417d47c58564abea1149fd955f23e6c4e5901bc3f8875d2319d23036968e34b955d0008734eca0c691b740bafd4b8103

C:\Users\Admin\AppData\Local\Temp\~42B6.tmp

MD5 86dc243576cf5c7445451af37631eea9
SHA1 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA256 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512 c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

memory/4640-14-0x0000000000400000-0x000000000047A000-memory.dmp

memory/4700-15-0x00000000005B0000-0x000000000062D000-memory.dmp

memory/3532-17-0x00000000092A0000-0x0000000009324000-memory.dmp

memory/4700-12-0x00000000004A0000-0x00000000004A5000-memory.dmp

memory/4700-6-0x0000000000400000-0x000000000047A000-memory.dmp

memory/3532-18-0x00000000092A0000-0x0000000009324000-memory.dmp

memory/3532-21-0x0000000003450000-0x0000000003456000-memory.dmp

memory/3532-22-0x0000000008BC0000-0x0000000008BCD000-memory.dmp

memory/4700-23-0x0000000000400000-0x000000000047A000-memory.dmp

memory/2312-19-0x0000000000400000-0x000000000047A000-memory.dmp