Malware Analysis Report

2025-08-11 01:26

Sample ID 240229-ffmqfsdf61
Target adbb4631fa215f902441da9d2de770f8
SHA256 d462022400c1ab48fa106d3f7d492df8a53f3e7b030902211e414d6ea8d9b6a1
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

d462022400c1ab48fa106d3f7d492df8a53f3e7b030902211e414d6ea8d9b6a1

Threat Level: Shows suspicious behavior

The file adbb4631fa215f902441da9d2de770f8 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Executes dropped EXE

Drops file in System32 directory

Drops file in Windows directory

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-29 04:48

Signatures

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

2024-02-29 04:48

Reported

2024-02-29 04:51

Platform

win7-20240221-en

Max time kernel

118s

Max time network

130s

Command Line

C:\Windows\system32\lsass.exe

Signatures

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:\Windows\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\rahjfg.dll C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A
File opened for modification C:\Windows\SysWOW64\sxtapi.dll C:\Windows\svchost.exe N/A
File created C:\Windows\SysWOW64\sxtapi.dll C:\Windows\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A
File created C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2592 wrote to memory of 480 N/A C:\Windows\svchost.exe C:\Windows\system32\lsass.exe

Processes

C:\Windows\system32\lsass.exe

C:\Windows\system32\lsass.exe

C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe

"C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe"

C:\Windows\svchost.exe

C:\Windows\svchost.exe -k SC

Network

N/A

Files

memory/2028-0-0x0000000000400000-0x0000000000419000-memory.dmp

C:\Windows\svchost.exe

MD5 adbb4631fa215f902441da9d2de770f8
SHA1 52ad0cd2415d6dbc5fb068538d47fe806283cf24
SHA256 d462022400c1ab48fa106d3f7d492df8a53f3e7b030902211e414d6ea8d9b6a1
SHA512 6defed66a741e623ca8baec184a33501ca91cacac54fd26166fad85d755493df8c520d308d7c0645f3f2b9c61d3ada2d2034a27ef2ed0547067e01e6f16fd6f5

memory/2028-7-0x0000000000400000-0x0000000000419000-memory.dmp

memory/480-8-0x0000000000070000-0x0000000000071000-memory.dmp

memory/2592-9-0x0000000000400000-0x0000000000419000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-29 04:48

Reported

2024-02-29 04:51

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe"

Signatures

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:\Windows\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\rahjfg.dll C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A
File opened for modification C:\Windows\SysWOW64\sxtapi.dll C:\Windows\svchost.exe N/A
File created C:\Windows\SysWOW64\sxtapi.dll C:\Windows\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A
File created C:\Windows\svchost.exe C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\svchost.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe

"C:\Users\Admin\AppData\Local\Temp\adbb4631fa215f902441da9d2de770f8.exe"

C:\Windows\svchost.exe

C:\Windows\svchost.exe -k SC -s Compaq Networks

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2396 -ip 2396

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 712

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
GB 92.123.128.181:443 www.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 181.128.123.92.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
GB 92.123.241.137:80 www.microsoft.com tcp
GB 92.123.241.137:80 www.microsoft.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 137.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 3.173.189.20.in-addr.arpa udp

Files

memory/1248-0-0x0000000000400000-0x0000000000419000-memory.dmp

C:\Windows\svchost.exe

MD5 adbb4631fa215f902441da9d2de770f8
SHA1 52ad0cd2415d6dbc5fb068538d47fe806283cf24
SHA256 d462022400c1ab48fa106d3f7d492df8a53f3e7b030902211e414d6ea8d9b6a1
SHA512 6defed66a741e623ca8baec184a33501ca91cacac54fd26166fad85d755493df8c520d308d7c0645f3f2b9c61d3ada2d2034a27ef2ed0547067e01e6f16fd6f5

memory/1248-7-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2396-8-0x0000000000400000-0x0000000000419000-memory.dmp