darkcloud | dc7d0f2d1aeddd857b663cc832f9e74e41646e3ac39bf7fc7898eab0c29fff9b

Analysis

max time kernel
145s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2025, 02:30

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General

Target

RFQ-04-2025-N0 010-9223-613809.exe
Size

1.2MB
MD5

7be434447e850a24388a7a90f1f1c877
SHA1

dddc1028e5615dceed9f66ba9f598e4da5b1984c
SHA256

8cb7fc99d1b138e4ebab403634ae627a8b918f92c41621ec409f23cac2c36c90
SHA512

b30da6300cb99fb2d2774670a45b1001ee458da1447daf0c3610fee3b3479a95ace9bfb162806f0922a76d7db9616c39604f881a7d363ad5992b434d955b2bd8
SSDEEP

24576:Ru6J33O0c+JY5UZ+XC0kGso6FaH6NyUZqoGMCccPqSaH9WY:Du0c++OCvkGs9FaH6NWoGMCccPnhY

Score

10^/10

darkcloud discovery stealer

Malware Config

Extracted

Family

darkcloud

Credentials

Protocol: ftp
Host:
ftp.mailo.com
Port:
21
Username:
[email protected]
Password:
Rosemary01@01@!!0404

Signatures

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
4516	outvaunts.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000b000000024149-9.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4516 set thread context of 4668	4516	outvaunts.exe	92

System Location Discovery: System Language Discovery 1 TTPs 3 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	RFQ-04-2025-N0 010-9223-613809.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	outvaunts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4516	outvaunts.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4668	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 4516	2548	RFQ-04-2025-N0 010-9223-613809.exe	89
PID 2548 wrote to memory of 4516	2548	RFQ-04-2025-N0 010-9223-613809.exe	89
PID 2548 wrote to memory of 4516	2548	RFQ-04-2025-N0 010-9223-613809.exe	89
PID 4516 wrote to memory of 4668	4516	outvaunts.exe	92
PID 4516 wrote to memory of 4668	4516	outvaunts.exe	92
PID 4516 wrote to memory of 4668	4516	outvaunts.exe	92
PID 4516 wrote to memory of 4668	4516	outvaunts.exe	92

C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4516
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-04-2025-N0 010-9223-613809.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4668

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

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Downloads

C:\Users\Admin\AppData\Local\scrolar\outvaunts.exe

Filesize
1.2MB

MD5
7be434447e850a24388a7a90f1f1c877

SHA1
dddc1028e5615dceed9f66ba9f598e4da5b1984c

SHA256
8cb7fc99d1b138e4ebab403634ae627a8b918f92c41621ec409f23cac2c36c90

SHA512
b30da6300cb99fb2d2774670a45b1001ee458da1447daf0c3610fee3b3479a95ace9bfb162806f0922a76d7db9616c39604f881a7d363ad5992b434d955b2bd8

Download Submit
memory/2548-6-0x0000000001720000-0x0000000001B20000-memory.dmp

Filesize
4.0MB

Download
memory/4516-18-0x0000000001280000-0x0000000001680000-memory.dmp

Filesize
4.0MB

Download
memory/4668-20-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4668-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4668-35-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download