darkcloud | 039abdc271621646e3a6d347f08b7a23223c9e4772a9059d44e0a9d5d0ee01d4

Analysis

max time kernel
139s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2023, 11:41

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General

Target

purchase order.exe
Size

916KB
MD5

3f626f64cf5f7196bc812ff1814d95f6
SHA1

c7dcf05df40dc04d4f9af38ef7a887ffde68abb5
SHA256

f6a82d751b2c63e135488686a43c60f35c2cda54a5599f450d4c123043e3c6b2
SHA512

ecf5aca2cfc774557f1170d5ba73115a3240831b2b1bf2c7c43b8dd8b2965450efd7c25ed71b0bb0a7e28931ecb5cd614c1cf5c3fc318ca2c891813983856413
SSDEEP

12288:KOCmzZBEP85QaC9JhmbdqSNhjwl+eZj17y1a3RplcyqKdxKHwhj5p5U61aNf:h9BEP83O6qSNhjwtIa2DyxKkf5UMM

Score

10^/10

darkcloud stealer

Malware Config

Extracted

Family

darkcloud

Attributes

email_from
[email protected]
email_to
[email protected]

Signatures

DarkCloud
An information stealer written in Visual Basic.
stealer darkcloud
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3812 set thread context of 4804	3812	purchase order.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3812	purchase order.exe
3812	purchase order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3812	purchase order.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4804	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92
PID 3812 wrote to memory of 4804	3812	purchase order.exe	92

C:\Users\Admin\AppData\Local\Temp\purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3812-133-0x0000000000330000-0x000000000041C000-memory.dmp

Filesize
944KB

Download
memory/3812-134-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/3812-135-0x0000000004DC0000-0x0000000004E52000-memory.dmp

Filesize
584KB

Download
memory/3812-136-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/3812-137-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/3812-138-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/3812-139-0x0000000006FB0000-0x000000000704C000-memory.dmp

Filesize
624KB

Download
memory/4804-140-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4804-143-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4804-146-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4804-147-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download