Malware Analysis Report

2025-03-15 05:43

Sample ID 240509-d98hxagg5v
Target c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791
SHA256 c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791
Tags
aspackv2
score
10/10

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
10/10

SHA256

c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791

Threat Level: Known bad

The file c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791 was found to be: Known bad.

Malicious Activity Summary

aspackv2

Detects executables packed with ASPack

Detects executables packed with ASPack

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

ASPack v2.12-2.42

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 03:43

Signatures

Detects executables packed with ASPack

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

ASPack v2.12-2.42

aspackv2
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

2024-05-09 03:43

Reported

2024-05-09 03:46

Platform

win7-20240508-en

Max time kernel

149s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"

Signatures

Detects executables packed with ASPack

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

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe

"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"

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

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

Network

N/A

Files

memory/1688-0-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1688-1-0x0000000000401000-0x0000000000403000-memory.dmp

\Users\Admin\AppData\Local\Temp\kdwco.exe

MD5 e76540fdfaeae1d41d20d4839c5a9f88
SHA1 632c7c96491544f41b3f4d2afe29b5867b49fe17
SHA256 f7b267bfdf5cb9b50a0413852f12d8c41401f25fbea845e47799ef7730ad698d
SHA512 7b36a238dfcacfc776ef18220290947a7ff43b6658ed3305c20f4786f8966663ef9aad8902afe4ae6679c14c659e7adfd2947fc656985fa98f59e47a08d0148a

memory/1688-9-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1688-8-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1980-11-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1980-14-0x0000000000400000-0x0000000000412000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 03:43

Reported

2024-05-09 03:46

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"

Signatures

Detects executables packed with ASPack

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

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe

"C:\Users\Admin\AppData\Local\Temp\c4b7cd711d0e1e521f165a2302c23527d7a8ad79d85e1f96f395b129641cb791.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.173.189.20.in-addr.arpa udp

Files

memory/1476-0-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1476-2-0x0000000000401000-0x0000000000403000-memory.dmp

memory/3312-16-0x0000000000400000-0x0000000000412000-memory.dmp

memory/3312-15-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1476-14-0x0000000000400000-0x0000000000412000-memory.dmp

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

MD5 e76540fdfaeae1d41d20d4839c5a9f88
SHA1 632c7c96491544f41b3f4d2afe29b5867b49fe17
SHA256 f7b267bfdf5cb9b50a0413852f12d8c41401f25fbea845e47799ef7730ad698d
SHA512 7b36a238dfcacfc776ef18220290947a7ff43b6658ed3305c20f4786f8966663ef9aad8902afe4ae6679c14c659e7adfd2947fc656985fa98f59e47a08d0148a

memory/3312-19-0x0000000000400000-0x0000000000412000-memory.dmp