darkcloud | 5de218dd00c5b6536a8ea373bbe9b9f2079f788a113b847fbd5c39932170a6e6

Analysis

max time kernel
101s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:33

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General

Target

d1d65f62acce133f4e44c137020c260f.exe
Size

81KB
MD5

d1d65f62acce133f4e44c137020c260f
SHA1

9126e9b831a05735529357e4af31ce0d628ebdb6
SHA256

73ea9482307e2db84538256bcee3a207fbc8bf512715316c82f3b4cebe46d8b1
SHA512

e3b370a46ca604ec0f3a9bf8e9a702560eea9068de1be244c7c33ca0a1f68b7f6ddade33656327a4b5f604b63e644b3be42dd719a04a5077230bfa4f964c23dc
SSDEEP

1536:1Pf20zEmeuVcp0l1kc2XCSIQiCXu6yMWKV:Nfd9JVq0fkDzJiCXu6yMX

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 NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 768 created 3520	768	d1d65f62acce133f4e44c137020c260f.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Opcode.vbs	d1d65f62acce133f4e44c137020c260f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 768 set thread context of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 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	d1d65f62acce133f4e44c137020c260f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
768	d1d65f62acce133f4e44c137020c260f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	d1d65f62acce133f4e44c137020c260f.exe
Token: SeDebugPrivilege	768	d1d65f62acce133f4e44c137020c260f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4888	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93
PID 768 wrote to memory of 4888	768	d1d65f62acce133f4e44c137020c260f.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3520
- C:\Users\Admin\AppData\Local\Temp\d1d65f62acce133f4e44c137020c260f.exe
  "C:\Users\Admin\AppData\Local\Temp\d1d65f62acce133f4e44c137020c260f.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:768
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4888

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/768-0-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/768-1-0x0000000000B80000-0x0000000000B9A000-memory.dmp

Filesize
104KB

Download
memory/768-2-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/768-3-0x0000000005ED0000-0x0000000006006000-memory.dmp

Filesize
1.2MB

Download
memory/768-25-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-33-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-61-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-67-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-65-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-64-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-59-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-57-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-55-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-49-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-45-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-53-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-51-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-47-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-43-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-41-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-39-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-37-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-35-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-31-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-29-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-27-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-23-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-21-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-19-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-17-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-15-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-13-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-9-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-7-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-11-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-5-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-4-0x0000000005ED0000-0x0000000006000000-memory.dmp

Filesize
1.2MB

Download
memory/768-1340-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/768-1341-0x00000000061D0000-0x000000000625E000-memory.dmp

Filesize
568KB

Download
memory/768-1342-0x00000000063F0000-0x000000000647A000-memory.dmp

Filesize
552KB

Download
memory/768-1343-0x0000000006390000-0x00000000063DC000-memory.dmp

Filesize
304KB

Download
memory/768-1344-0x0000000006C10000-0x00000000071B4000-memory.dmp

Filesize
5.6MB

Download
memory/768-1345-0x00000000065B0000-0x0000000006604000-memory.dmp

Filesize
336KB

Download
memory/768-1352-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/768-1359-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/768-1355-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/768-1354-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/768-1351-0x0000000074480000-0x0000000074C30000-memory.dmp

Filesize
7.7MB

Download
memory/4888-1360-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/4888-1371-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download