Malware Analysis Report

2025-08-05 19:16

Sample ID 240526-dwjmmada71
Target d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08
SHA256 d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08
Tags
evasion
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

d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08

Threat Level: Known bad

The file d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08 was found to be: Known bad.

Malicious Activity Summary

evasion

Detects Windows executables referencing non-Windows User-Agents

Detects Windows executables referencing non-Windows User-Agents

Sets file to hidden

Executes dropped EXE

Checks computer location settings

Deletes itself

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Views/modifies file attributes

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-26 03:21

Signatures

Detects Windows executables referencing non-Windows User-Agents

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

2024-05-26 03:21

Reported

2024-05-26 03:24

Platform

win7-20240508-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe"

Signatures

Detects Windows executables referencing non-Windows User-Agents

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

Sets file to hidden

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Deletes itself

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

Executes dropped EXE

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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\rwmhost.exe C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A
File opened for modification C:\Windows\Debug\rwmhost.exe C:\Windows\SysWOW64\attrib.exe N/A
File created C:\Windows\Debug\rwmhost.exe C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\Debug\rwmhost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\Debug\rwmhost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe

"C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe"

C:\Windows\SysWOW64\attrib.exe

attrib +a +s +h +r C:\Windows\Debug\rwmhost.exe

C:\Windows\Debug\rwmhost.exe

C:\Windows\Debug\rwmhost.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D2D573~1.EXE > nul

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.47.103:80 www.baidu.com tcp
US 8.8.8.8:53 umOMcN6IX.nnnn.eu.org udp
US 8.8.8.8:53 UqUa7aqE1l.nnnn.eu.org udp
US 8.8.8.8:53 4WflOYKLlT.nnnn.eu.org udp

Files

memory/1484-0-0x0000000000400000-0x0000000000410000-memory.dmp

C:\Windows\Debug\rwmhost.exe

MD5 1c70e81c05fa5cd8d58328c0cde86f3c
SHA1 9ac39b5952bff9dcb8be688846fad8c062592247
SHA256 8bfeaa3deddea5cf1e09eec1817d239666dd0ec61b9c97d94790bbef397aefe0
SHA512 6cdc389a22d1efbc6002947c61d2eebc2c577ad196e87e65d5482d4a36741b4da60694ddef89eeceac5ec20d5b821853ba6c1873cbaceb3c5c205836d5bc3352

memory/1740-5-0x0000000000400000-0x0000000000410000-memory.dmp

memory/1740-6-0x0000000000400000-0x0000000000410000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 03:21

Reported

2024-05-26 03:24

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe"

Signatures

Detects Windows executables referencing non-Windows User-Agents

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

Sets file to hidden

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A

Executes dropped EXE

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Debug\xqchost.exe C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A
File opened for modification C:\Windows\Debug\xqchost.exe C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A
File opened for modification C:\Windows\Debug\xqchost.exe C:\Windows\SysWOW64\attrib.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\Debug\xqchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\Debug\xqchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe N/A

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe

"C:\Users\Admin\AppData\Local\Temp\d2d573c56853dcffa250ada5944b33536531e77020fd900ea919f9747e568a08.exe"

C:\Windows\SysWOW64\attrib.exe

attrib +a +s +h +r C:\Windows\Debug\xqchost.exe

C:\Windows\Debug\xqchost.exe

C:\Windows\Debug\xqchost.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D2D573~1.EXE > nul

Network

Country Destination Domain Proto
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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.47.103:80 www.baidu.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 103.47.235.103.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 xWv0CRZt5N.nnnn.eu.org udp
US 8.8.8.8:53 XC6Uv30pb.nnnn.eu.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 7tnMFsW8ZJ.nnnn.eu.org udp
US 8.8.8.8:53 31.73.42.20.in-addr.arpa udp

Files

memory/2940-0-0x0000000000400000-0x0000000000410000-memory.dmp

C:\Windows\debug\xqchost.exe

MD5 d10dd4b86fee13a43d4ba1203f42d6cf
SHA1 fcf118ab078f8888ea5131638b3b5c7bdd24862d
SHA256 24c3c034728c8b474ee9336c11653ee8493ec4f0a72af92e5e7d163b81168bd7
SHA512 e020cffce187c7c67a135b0109e8bae78c9ce654f846dd8874b29cad86fd23043d1553798f7422b22432e7afc514c2cbe55c88b23b81ebc3aed18f15297c70b7

memory/2940-5-0x0000000000400000-0x0000000000410000-memory.dmp

memory/2692-6-0x0000000000400000-0x0000000000410000-memory.dmp