Malware Analysis Report

2025-08-05 17:30

Sample ID 221031-2wx21sdhg5
Target 9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745
SHA256 9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745
Tags
rat dcrat infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745

Threat Level: Known bad

The file 9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745 was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer

DCRat payload

DcRat

Dcrat family

Process spawned unexpected child process

DCRat payload

Executes dropped EXE

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies registry class

Creates scheduled task(s)

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-31 22:56

Signatures

DCRat payload

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

Dcrat family

dcrat

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:56

Reported

2022-10-31 22:59

Platform

win10v2004-20220812-en

Max time kernel

128s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe"

Signatures

DcRat

rat infostealer dcrat

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

DCRat payload

rat
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
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\providercommon\DllCommonsvc.exe N/A
N/A N/A C:\odt\smss.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\WScript.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\providercommon\DllCommonsvc.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\odt\smss.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\providercommon\DllCommonsvc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\odt\smss.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2440 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe C:\Windows\SysWOW64\WScript.exe
PID 2440 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe C:\Windows\SysWOW64\WScript.exe
PID 2440 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe C:\Windows\SysWOW64\WScript.exe
PID 1516 wrote to memory of 2552 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 1516 wrote to memory of 2552 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 1516 wrote to memory of 2552 N/A C:\Windows\SysWOW64\WScript.exe C:\Windows\SysWOW64\cmd.exe
PID 2552 wrote to memory of 112 N/A C:\Windows\SysWOW64\cmd.exe C:\providercommon\DllCommonsvc.exe
PID 2552 wrote to memory of 112 N/A C:\Windows\SysWOW64\cmd.exe C:\providercommon\DllCommonsvc.exe
PID 112 wrote to memory of 2800 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 2800 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 1880 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 1880 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 3964 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 3964 N/A C:\providercommon\DllCommonsvc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 112 wrote to memory of 2064 N/A C:\providercommon\DllCommonsvc.exe C:\odt\smss.exe
PID 112 wrote to memory of 2064 N/A C:\providercommon\DllCommonsvc.exe C:\odt\smss.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe

"C:\Users\Admin\AppData\Local\Temp\9a4c61c30d19e6f8a0f446d7207516b7a1597cccc6ef298f8ecf3fd8d67fe745.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\providercommon\yTUdeXjbLOhnrN32dgrxVg.vbe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\providercommon\1zu9dW.bat" "

C:\providercommon\DllCommonsvc.exe

"C:\providercommon\DllCommonsvc.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\odt\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\odt\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\odt\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "DllCommonsvcD" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "DllCommonsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "DllCommonsvcD" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\DllCommonsvc.exe'" /rl HIGHEST /f

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell" -Command Add-MpPreference -ExclusionPath 'C:\providercommon\DllCommonsvc.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell" -Command Add-MpPreference -ExclusionPath 'C:\odt\smss.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\DllCommonsvc.exe'

C:\odt\smss.exe

"C:\odt\smss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
NL 45.82.176.111:80 45.82.176.111 tcp
NL 45.82.176.111:80 45.82.176.111 tcp
NL 45.82.176.111:80 45.82.176.111 tcp

Files

memory/1516-132-0x0000000000000000-mapping.dmp

C:\providercommon\yTUdeXjbLOhnrN32dgrxVg.vbe

MD5 8088241160261560a02c84025d107592
SHA1 083121f7027557570994c9fc211df61730455bb5
SHA256 2072cc9a4a3b84d4c5178ab41c5588eea7d0103e3928e34d64f17bf97f3d1cc1
SHA512 20d9369dd359315848ea30144383a0bb479d86059fdbc3b3256ac84f998193512feb3b1799ab663619920c99fe7e0ebba33ada31a3855094b956fcd351c90478

C:\providercommon\1zu9dW.bat

MD5 6783c3ee07c7d151ceac57f1f9c8bed7
SHA1 17468f98f95bf504cc1f83c49e49a78526b3ea03
SHA256 8ab782f0f327a2021530e7230d3aee8abbecb7eed59482a3a46e78b9e3862322
SHA512 c6012d4bfac1ed14d0fd9f0eabd0e1c3d647b343db292a907b246271d52a4b7469c809db43910ddba2e8c5045f9cb3d24d0af62d363281e6cb8b39ee94a183e8

memory/2552-135-0x0000000000000000-mapping.dmp

memory/112-136-0x0000000000000000-mapping.dmp

C:\providercommon\DllCommonsvc.exe

MD5 bd31e94b4143c4ce49c17d3af46bcad0
SHA1 f8c51ff3ff909531d9469d4ba1bbabae101853ff
SHA256 b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63
SHA512 f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394

C:\providercommon\DllCommonsvc.exe

MD5 bd31e94b4143c4ce49c17d3af46bcad0
SHA1 f8c51ff3ff909531d9469d4ba1bbabae101853ff
SHA256 b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63
SHA512 f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394

memory/112-139-0x0000000000A00000-0x0000000000B10000-memory.dmp

memory/112-140-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/2800-141-0x0000000000000000-mapping.dmp

memory/3964-143-0x0000000000000000-mapping.dmp

memory/1880-142-0x0000000000000000-mapping.dmp

memory/2064-144-0x0000000000000000-mapping.dmp

memory/1880-145-0x000001ED45EF0000-0x000001ED45F12000-memory.dmp

C:\odt\smss.exe

MD5 bd31e94b4143c4ce49c17d3af46bcad0
SHA1 f8c51ff3ff909531d9469d4ba1bbabae101853ff
SHA256 b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63
SHA512 f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394

C:\odt\smss.exe

MD5 bd31e94b4143c4ce49c17d3af46bcad0
SHA1 f8c51ff3ff909531d9469d4ba1bbabae101853ff
SHA256 b5199d3eb28e7de8ec4a5de66cb339a03d90b297e2292473badaab98ade15c63
SHA512 f96658bd19b672fd84038bd7e95c89e14f4e6f84e3ce9c6fe3216861a41203406148c6a809c2ab350d0d6c5919c845f619deb1fc9b1f1814dfce87e566bc2394

memory/1880-148-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/112-149-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/3964-150-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/2800-151-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/2064-152-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 2e907f77659a6601fcc408274894da2e
SHA1 9f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA256 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
SHA512 34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

memory/1880-155-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/3964-156-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 3a6bad9528f8e23fb5c77fbd81fa28e8
SHA1 f127317c3bc6407f536c0f0600dcbcf1aabfba36
SHA256 986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05
SHA512 846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

memory/2800-158-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp

memory/2064-159-0x00007FFAAEA20000-0x00007FFAAF4E1000-memory.dmp