darkcloud | ff43e418ab0fac587b9f6d19ccbeb59dcd863c9812af96e430573215cb1fc68f

Analysis

max time kernel
104s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2025, 03:40

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General

Target

rOC13650_PDF.exe
Size

1.9MB
MD5

52df7e5c0a0ea8ebdc91132d2e3df15d
SHA1

ea3e181fc08863e9ed7a01933c845039f39e7515
SHA256

ff43e418ab0fac587b9f6d19ccbeb59dcd863c9812af96e430573215cb1fc68f
SHA512

4c4f728fb7568c89407c4708266ce99bd95ed405a786a2287bf6581548183354770f5059b0a7ee9b532a753eb6235afbb9b861ab4c6b43bcd33aea9092ce38c4
SSDEEP

24576:OSdQ2Ak+vC2ZfEbpRsnqQ02L8CJn+rvq1I4ENBtWrv/:9F14yTshBI4km

Score

10^/10

darkcloud discovery stealer

Malware Config

Extracted

Family

darkcloud

Credentials

Protocol: ftp
Host:
@StrFtpServer
Port:
21
Username:
@StrFtpUser
Password:
@StrFtpPass

Signatures

DarkCloud
An information stealer written in Visual Basic.
stealer darkcloud
Darkcloud family
darkcloud

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5292 set thread context of 2568	5292	rOC13650_PDF.exe	86

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	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2568	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86
PID 5292 wrote to memory of 2568	5292	rOC13650_PDF.exe	86

C:\Users\Admin\AppData\Local\Temp\rOC13650_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\rOC13650_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2568

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

memory/2568-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2568-2-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2568-13-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download