darkcloud | 8fb81d1cd3412c19f02fd834de979e6651cdc5a281a99230b0f41c9d3c2848ba

Analysis

max time kernel
104s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250502-en
resource tags

arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-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
1712	firebed.exe
2996	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-1-5-21-3920234085-916416549-2700794571-1000\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 4800 set thread context of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 1712 set thread context of 2996	1712	firebed.exe	113

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
1192	EQUIPMENT SPECIFICATION DATASHEETS.exe
2996	firebed.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 4800 wrote to memory of 1192	4800	EQUIPMENT SPECIFICATION DATASHEETS.exe	101
PID 228 wrote to memory of 1712	228	cmd.exe	104
PID 228 wrote to memory of 1712	228	cmd.exe	104
PID 228 wrote to memory of 1712	228	cmd.exe	104
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113
PID 1712 wrote to memory of 2996	1712	firebed.exe	113

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:4800
- 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:1192

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:228
- 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:1712
- - 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:2996

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 bb923abf471bb79086ff9ace293602e1ad882d9af7946dda17ff1c3a7e19f45b
MD5 1c832d859b03f2e59817374006fe1189
SHA1 a4994a54e9f46a6c86ff92280c6dabe2bcd4cc42
SHA512 c4d3be414fa5dd30151cde9f6d808d56c26b031ff3f6446d21a15d071053787b6ba337b12909a56af7bb420f858dba5213f08e64ca9f836f52c98a18762b4bef
SSDEEP 96:QkS/KLPeymOcVizhGNOnfXG38tyvFbn8MouB6w9f/nP:04cVizhGNOnu/7Iw9fP
MD5 SHA1 SHA512 SSDEEP

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WebData

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\DBS\WebData
Size 228KB
SHA256 3a07b3003758a79a574aa73032076567870389751f2a959537257070da3a10d8
MD5 ee463e048e56b687d02521cd12788e2c
SHA1 ee26598f8e8643df84711960e66a20ecbc6321b8
SHA512 42b395bf6bd97da800385b9296b63a4b0edd7b3b50dc92f19e61a89235a42d37d204359b57d506e6b25ab95f16625cce035ed3b55ef2d54951c82332498dab0f
SSDEEP 192:J1mo3fT8a0QQnGzaW6qt8K+dJIhPJyiqzX1i+VpdssMV7due8FPu:r73fQrQQnyn6qt8K+dJIhPJyvzl5cYP
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/1192-11-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/1192-33-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/1192-14-0x0000000000400000-0x000000000048D000-memory.dmp

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memory/1712-43-0x0000000073C90000-0x0000000074440000-memory.dmp

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memory/1712-36-0x0000000073C90000-0x0000000074440000-memory.dmp

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memory/1712-35-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

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memory/1712-34-0x0000000073C90000-0x0000000074440000-memory.dmp

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memory/1712-32-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

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memory/4800-5-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/4800-10-0x0000000006F70000-0x000000000700C000-memory.dmp

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memory/4800-17-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/4800-9-0x0000000006CA0000-0x0000000006D78000-memory.dmp

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memory/4800-8-0x0000000074E80000-0x0000000075630000-memory.dmp

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memory/4800-7-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

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memory/4800-6-0x0000000005D50000-0x0000000005D66000-memory.dmp

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memory/4800-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

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memory/4800-4-0x0000000005C30000-0x0000000005C3A000-memory.dmp

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memory/4800-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

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memory/4800-2-0x00000000060F0000-0x0000000006694000-memory.dmp

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memory/4800-1-0x0000000000FA0000-0x00000000010AC000-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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