darkcloud | 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba

Analysis

max time kernel
101s
max time network
102s
platform
windows11-21h2_x64
resource
win11-20250502-en
resource tags

arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
submitted
19/05/2025, 09:12

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General

Target
EQUIPMENT SPECIFICATION DATASHEETS.exe
Size 1.0MB
Sample250519-k6ak2awks2
SHA256 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba
MD5 79b55e666db00cc91408062e91a3f1b1
SHA1 1e112633d2e97843a5af690adaaef06524c6bb5d
SHA512 bc4ce8b52ae3e6bb87c14eb941c243c3b56e368c3c4ee319383ee66e1c3e4ace2a69a3c6156bf59d682bbe9f76b89c677c7d7b7d16bf9a87bbeffe16a49be63f
SSDEEP 24576:Hmry/KmpwKJe8D8x5+/JnFvds+oYwKYz+il:/pjJp0w1Q+odXz+i
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcloud discovery persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol
ftp
Host
ftp.grupocasagrende.com
Port
21
Username
[email protected]
Password
hUK&)LvLtB={

Extracted

Family

darkcloud

Credentials

Protocol
ftp
Host
ftp.grupocasagrende.com
Port
21
Username
[email protected]
Password
hUK&)LvLtB={

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
4524	firebed.exe
5004	firebed.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1454956602-4007834095-2135319884-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\abaculus = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\firebed.exe"	EQUIPMENT SPECIFICATION DATASHEETS.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3360 set thread context of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 4524 set thread context of 5004	4524	firebed.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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	EQUIPMENT SPECIFICATION DATASHEETS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQUIPMENT SPECIFICATION DATASHEETS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firebed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firebed.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1124	EQUIPMENT SPECIFICATION DATASHEETS.exe
5004	firebed.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 3360 wrote to memory of 1124	3360	EQUIPMENT SPECIFICATION DATASHEETS.exe	80
PID 556 wrote to memory of 4524	556	cmd.exe	84
PID 556 wrote to memory of 4524	556	cmd.exe	84
PID 556 wrote to memory of 4524	556	cmd.exe	84
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85
PID 4524 wrote to memory of 5004	4524	firebed.exe	85

C:\Users\Admin\AppData\Local\Temp\EQUIPMENT SPECIFICATION DATASHEETS.exe
"C:\Users\Admin\AppData\Local\Temp\EQUIPMENT SPECIFICATION DATASHEETS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\EQUIPMENT SPECIFICATION DATASHEETS.exe
  "C:\Users\Admin\AppData\Local\Temp\EQUIPMENT SPECIFICATION DATASHEETS.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1124

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:5004

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

LoginData

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DBS\LoginData
Size 56KB
SHA256 ce41f2a3255df2099ae8eea9364bd28c6fd6a56c8ca3290bd274944d16d9e6bf
MD5 0e2c60740cafa19c5158f4aa41a5d4e7
SHA1 f01d0f359e407fed424c30919ed64b77508b3024
SHA512 e367b88f1d984f84b9b4a8fa4002ede1afad0d375f9374636250f17e64445a60d1b99fe23a0b314c4b2bd5fd27fe5b87fa4079a84b4497629f238afd8436afe2
SSDEEP 96:qUfXG38t8KLPeymORCGr25bn8MouB6w9f/rGSEPONy:qUu0RCGr2V7Iw9fFN
MD5 SHA1 SHA512 SSDEEP

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WebData

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DBS\WebData
Size 228KB
SHA256 257947aba31142bab41ca56915c2ef843c2a156c527dee5d1a07e1224e380aed
MD5 8ce704458e632d243a023357eec3702f
SHA1 b4857c6a1e277776b8a08c243917eeae5470aa56
SHA512 a96d4aded8fd5ce2cfeeaba2bc69a399006bc723e1aa0777989648b2fe8caa7b6d421744c2bcd52b633d0e2d41b951df2cbc91ac64054c7b8cb63f887b496449
SSDEEP 192:DC3fT8aRJQnGqqrgenLfUK3NDivIz6DoNCPaWaVIdssXVydue2g2C0:e3fQuJQnPqrgWLfUK3hivmY4Cvp68C
MD5 SHA1 SHA512 SSDEEP

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firebed.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firebed.exe
Size 1.0MB
SHA256 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba
MD5 79b55e666db00cc91408062e91a3f1b1
SHA1 1e112633d2e97843a5af690adaaef06524c6bb5d
SHA512 bc4ce8b52ae3e6bb87c14eb941c243c3b56e368c3c4ee319383ee66e1c3e4ace2a69a3c6156bf59d682bbe9f76b89c677c7d7b7d16bf9a87bbeffe16a49be63f
SSDEEP 24576:Hmry/KmpwKJe8D8x5+/JnFvds+oYwKYz+il:/pjJp0w1Q+odXz+i
MD5 SHA1 SHA512 SSDEEP

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memory/1124-11-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/1124-34-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/1124-13-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/3360-10-0x0000000009E70000-0x0000000009F0C000-memory.dmp

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memory/3360-17-0x00000000745D0000-0x0000000074D81000-memory.dmp

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memory/3360-8-0x00000000745D0000-0x0000000074D81000-memory.dmp

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memory/3360-9-0x0000000007660000-0x0000000007738000-memory.dmp

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memory/3360-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

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memory/3360-6-0x0000000005130000-0x0000000005146000-memory.dmp

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memory/3360-5-0x00000000745D0000-0x0000000074D81000-memory.dmp

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memory/3360-7-0x00000000745DE000-0x00000000745DF000-memory.dmp

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memory/3360-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp

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memory/3360-1-0x00000000000A0000-0x00000000001AC000-memory.dmp

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memory/3360-2-0x0000000005150000-0x00000000056F6000-memory.dmp

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memory/3360-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

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memory/4524-35-0x000000007323E000-0x000000007323F000-memory.dmp

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memory/4524-33-0x0000000005790000-0x00000000057A6000-memory.dmp

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memory/4524-32-0x000000007323E000-0x000000007323F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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