darkcloud | b24049d8feb9439b8946b6e1313a16dedfe9f479bf3e9fa9966952d0dbacbbdb

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2025, 07:50

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General

Target

Factura México-638300.exe
Size

137KB
MD5

fc2d0d18e45e0ca745ed1957c1b79d9f
SHA1

8361caecad41277a56d65bd0db2c13ba82c2d927
SHA256

b24049d8feb9439b8946b6e1313a16dedfe9f479bf3e9fa9966952d0dbacbbdb
SHA512

2e9e4c46b32f739ca247af485f48ec61ce54cfcd28111093838a0aa512d8eedb7c410ea7801793d0ac6422511030c59363c8803ccb287541b9d97aeed157c11f
SSDEEP

3072:DoSJ/dMd0ku5SnUVCuGmejfBuddKTmDD911xlfrsZGvShTJDTk/:D7dMd0kubVCuGmejUqmN11UGvShT5k

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 4020 created 3508	4020	Factura México-638300.exe	56

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Item.vbs	Factura México-638300.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 5516	4020	Factura México-638300.exe	94

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	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Factura México-638300.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4020	Factura México-638300.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	Factura México-638300.exe
Token: SeDebugPrivilege	4020	Factura México-638300.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5516	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94
PID 4020 wrote to memory of 5516	4020	Factura México-638300.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3508
- C:\Users\Admin\AppData\Local\Temp\Factura México-638300.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura México-638300.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:4020
- 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:5516

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/4020-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/4020-1-0x0000000000590000-0x00000000005B8000-memory.dmp

Filesize
160KB

Download
memory/4020-2-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-3-0x0000000005C10000-0x0000000005D46000-memory.dmp

Filesize
1.2MB

Download
memory/4020-19-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-25-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-35-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-51-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-67-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-65-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-63-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-61-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-59-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-57-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-55-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-53-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-49-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-47-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-45-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-43-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-41-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-39-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-37-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-33-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-29-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-27-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-23-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-21-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-17-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-13-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-11-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-9-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-7-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-5-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-31-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-15-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-4-0x0000000005C10000-0x0000000005D40000-memory.dmp

Filesize
1.2MB

Download
memory/4020-1340-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1341-0x0000000005DB0000-0x0000000005DBA000-memory.dmp

Filesize
40KB

Download
memory/4020-1342-0x0000000006060000-0x00000000060EE000-memory.dmp

Filesize
568KB

Download
memory/4020-1343-0x00000000061F0000-0x000000000627A000-memory.dmp

Filesize
552KB

Download
memory/4020-1344-0x0000000006280000-0x00000000062CC000-memory.dmp

Filesize
304KB

Download
memory/4020-1345-0x00000000068E0000-0x0000000006E84000-memory.dmp

Filesize
5.6MB

Download
memory/4020-1346-0x0000000006330000-0x0000000006384000-memory.dmp

Filesize
336KB

Download
memory/4020-1351-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1352-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/4020-1354-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1355-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1357-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1359-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1362-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/5516-1363-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/5516-1366-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download