darkcloud | c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f

Analysis

max time kernel
149s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 14:58

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General

Target
c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
Size 1.2MB
Sample260810-scbj8sbp21
SHA256 c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f
MD5 303ef6167c8a9842226acf4b1cf72754
SHA1 d001a3b3597bf8103b13fe4d468fea03b7cecfac
SHA512 8ac7844a02fa2a2ab1cff49b02cb78fbe8dbc89b5d2e8cae8da9c93288b727ac44855fa7f03dec02cc36c08a5a6f752f50dc895fb375984233ceb39fdfdf5de0
SSDEEP 24576:3Gb/Dgm/D2Up50s+FI/bRugNQ2g7fyKssNXSIUx7gVmTeiQfvmnt2:+pt1ugNQ2YhiIUpHfQXWt
TLSH
T12F550100135BCC02E0E68BF6A8F1D27432B05ECFB9E6C29BAFD55FA739167C59590642
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution darkcloud persistence spyware stealer

Malware Config

Extracted

Family

darkcloud

Version

Signatures

Family: DarkCloud
An information stealer written in Visual Basic.
stealer darkcloud

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1692	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
5896	syapfYkesv.exe
1372	syapfYkesv.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\syapfYkesv = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\pdpwuusvedw.ps1\""	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 556 set thread context of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 5896 set thread context of 1372	5896	syapfYkesv.exe	93

System Location Discovery: System Language Discovery 1 TTPs 4 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	syapfYkesv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syapfYkesv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
1692	powershell.exe
1692	powershell.exe
5896	syapfYkesv.exe
5896	syapfYkesv.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
Token: SeDebugPrivilege	1692	powershell.exe
Token: SeDebugPrivilege	5896	syapfYkesv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4012	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
1372	syapfYkesv.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 556 wrote to memory of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 556 wrote to memory of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 556 wrote to memory of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 556 wrote to memory of 4012	556	c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe	88
PID 1692 wrote to memory of 5896	1692	powershell.exe	91
PID 5896 wrote to memory of 1372	5896	syapfYkesv.exe	93
PID 5896 wrote to memory of 1372	5896	syapfYkesv.exe	93
PID 5896 wrote to memory of 1372	5896	syapfYkesv.exe	93
PID 5896 wrote to memory of 1372	5896	syapfYkesv.exe	93
PID 5896 wrote to memory of 1372	5896	syapfYkesv.exe	93

C:\Users\Admin\AppData\Local\Temp\c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
"C:\Users\Admin\AppData\Local\Temp\c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe
  "C:\Users\Admin\AppData\Local\Temp\c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4012

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\pdpwuusvedw.ps1"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Roaming\syapfYkesv.exe
  "C:\Users\Admin\AppData\Roaming\syapfYkesv.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5896
- - C:\Users\Admin\AppData\Roaming\syapfYkesv.exe
    "C:\Users\Admin\AppData\Roaming\syapfYkesv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:1372

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

pdpwuusvedw.ps1

Path C:\Users\Admin\AppData\Local\Temp\pdpwuusvedw.ps1
Size 1KB
SHA256 763ed8f9268d524e8341560239045a3f227db6d13a2880f1a6a05a99310c49ff
MD5 40ff252684a7df4d4295fe6f555cae08
SHA1 232255c7a641c63da27dc22edd64834a8bc0aef6
SHA512 3882bdb007fe880722575d821e71e6e3344f43a83c829ac04acde61ce8afeaf7302fbddf60e88b379ca200625ffb578424a950835204270b9ef437c47caafd4d
TLSH
T16B11021B8E8543D5402407F55A0372DDB52D51CB276F019095ACB4FEF32BE63386ACE8
MD5 SHA1 SHA512 TLSH

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syapfYkesv.exe

Path C:\Users\Admin\AppData\Roaming\syapfYkesv.exe
Size 1.2MB
SHA256 c9dde95c0675425d3222564efafb7029931cb5a5ef7846c2e6d1ae00ba2d4b6f
MD5 303ef6167c8a9842226acf4b1cf72754
SHA1 d001a3b3597bf8103b13fe4d468fea03b7cecfac
SHA512 8ac7844a02fa2a2ab1cff49b02cb78fbe8dbc89b5d2e8cae8da9c93288b727ac44855fa7f03dec02cc36c08a5a6f752f50dc895fb375984233ceb39fdfdf5de0
SSDEEP 24576:3Gb/Dgm/D2Up50s+FI/bRugNQ2g7fyKssNXSIUx7gVmTeiQfvmnt2:+pt1ugNQ2YhiIUpHfQXWt
TLSH
T12F550100135BCC02E0E68BF6A8F1D27432B05ECFB9E6C29BAFD55FA739167C59590642
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/556-6-0x0000000005260000-0x00000000052FC000-memory.dmp

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memory/556-3-0x0000000005010000-0x00000000050A2000-memory.dmp

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memory/556-4-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

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memory/556-5-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/556-2-0x00000000056B0000-0x0000000005C6A000-memory.dmp

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memory/556-7-0x0000000005400000-0x000000000541C000-memory.dmp

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memory/556-8-0x0000000074D72000-0x0000000074D73000-memory.dmp

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memory/556-9-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/556-10-0x0000000008CC0000-0x0000000008DD0000-memory.dmp

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memory/556-1-0x00000000003A0000-0x00000000004E6000-memory.dmp

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memory/556-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

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memory/556-17-0x0000000074D60000-0x000000007551C000-memory.dmp

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memory/1692-24-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-21-0x00000291CB7A0000-0x00000291CB7C2000-memory.dmp

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memory/1692-22-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-18-0x00007FF916AFF000-0x00007FF916B00000-memory.dmp

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memory/1692-25-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-26-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-27-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-30-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/1692-31-0x00007FF916970000-0x00007FF917314000-memory.dmp

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memory/4012-14-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4012-12-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4012-32-0x0000000000400000-0x0000000000473000-memory.dmp

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