darkcloud | 27102d3e6bdb449f8bb0074e5249e4509978900d32deec0152fe00b425421c1b

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
20/05/2026, 11:28

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General

Target
_27102d3e6bdb449f8bb0074e5249e4509978900d32deec0152fe00b425421c1b.dll
Size 6.7MB
Sample260520-nld99sb19x
SHA256 27102d3e6bdb449f8bb0074e5249e4509978900d32deec0152fe00b425421c1b
MD5 b333e2a52b1ee49397aca23308317a81
SHA1 0dc3804bc055101c011045bdcec6238ba0b99136
SHA512 7b93a9a3f350969776bd7e836aaee5791b795c4334e83c585a6d507039348cda437f15af045ca3783dc97a0acf89d202420a4f77bbd3046d1fa13d9d5d72a93e
SSDEEP 98304:l1zqRKGtSftKKTeQbVhFVgZARGNBsr0u2/Y1rln5dYS:WTjSeQbVhPZR3Ix/YPnZ
TLSH
T1D6668C0AB7D80664D562C630D62FD732C6BAFC554632C34F2918F3CA2E37B518F6A625
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery darkcloud stealer

Malware Config

Extracted

Family

darkcloud

Attributes

email_from
[email protected]
email_to
[email protected]
host_password
Tarz?8181
host_server
mail.tarzdenizcilik.com

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\regsvr32.exe	regsvr32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mscoree.dll	regsvr32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 736	2424	regsvr32.exe	80

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	aspnet_wp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
736	aspnet_wp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 736	2424	regsvr32.exe	80
PID 2424 wrote to memory of 736	2424	regsvr32.exe	80
PID 2424 wrote to memory of 736	2424	regsvr32.exe	80
PID 2424 wrote to memory of 736	2424	regsvr32.exe	80
PID 2424 wrote to memory of 736	2424	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\_27102d3e6bdb449f8bb0074e5249e4509978900d32deec0152fe00b425421c1b.dll
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:736

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/736-0-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/736-3-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/736-15-0x0000000000400000-0x000000000045E000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads