642d9e7db6d4fc15129f011dce2ea087bf7f7fb015aececf82bf84ff6634a6fb

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/08/2026, 23:27

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General

Target
dsetup32.dll
Size 1.7MB
Sample260803-3ff91adj8z
SHA256 642d9e7db6d4fc15129f011dce2ea087bf7f7fb015aececf82bf84ff6634a6fb
MD5 0f58ccd58a29827b5d406874360e4c08
SHA1 ba804292580be6186774e7f92e6dfb104e46bf25
SHA512 3e3d4f2de5dc5addc86765a2f888487ea0c9ee0208fac60187ddaa9a2bfd73cfd7734836d32805fa43222470c8f6cb9a10e2a099aef72c67ad7c789096e57ce4
SSDEEP 49152:MjnIXtNeOOOOOOOOOOOOOOOOOiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWeXiWq:YIjma
TLSH
T145859E31B1D40332EA7203B177118AB7F63EEB9DE119D565B9AE825920C2B9CC37E351
MD5 SHA1 SHA512 SSDEEP TLSH

Score

4^/10

discovery ransomware

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Logs\DXError.log	rundll32.exe
File opened for modification	C:\Windows\Logs\DirectX.log	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeBackupPrivilege	4540	vssvc.exe
Token: SeRestorePrivilege	4540	vssvc.exe
Token: SeAuditPrivilege	4540	vssvc.exe
Token: SeBackupPrivilege	3916	srtasks.exe
Token: SeRestorePrivilege	3916	srtasks.exe
Token: SeSecurityPrivilege	3916	srtasks.exe
Token: SeTakeOwnershipPrivilege	3916	srtasks.exe
Token: SeBackupPrivilege	3916	srtasks.exe
Token: SeRestorePrivilege	3916	srtasks.exe
Token: SeSecurityPrivilege	3916	srtasks.exe
Token: SeTakeOwnershipPrivilege	3916	srtasks.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 1584	3304	rundll32.exe	88

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup32.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1584

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4540

C:\Windows\system32\srtasks.exe
C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3916

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

DirectX.log

Path C:\Windows\Logs\DirectX.log
Size 716B
SHA256 fd2266c24febb286b3d0989792e639954fc11ccb3b8c96b10d6a24af6045168b
MD5 04a4b0e162976381aff682cff300af4b
SHA1 88051a7db5efacedf9f3d9718def551aadc605d0
SHA512 4c7b405c6f5e3d4b873bef28dcdfd1144288d40498d0a13ef060d607299b2789a0db430d628b264dec2fbf8b64fee454acc050dcec40c8ed4ee62d39a53ea959
TLSH
T14A0121693CFFA5C119002123EB4F5542CF6AB12F6DBCE0FE70746590C28A15E5D54D6D
MD5 SHA1 SHA512 TLSH

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