darkcloud | 80df720f177171eec7bcaac47cd7842eba08f600d0afe6921d31c0b18aedb513

Analysis

max time kernel
142s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 14:10

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General

Target

INQUIRY_08.exe
Size

451KB
MD5

ab67bfa2e7c0a987db0134cee12939f6
SHA1

2fe2b6d71e450cd853bd43a7924c59d58f30423e
SHA256

80df720f177171eec7bcaac47cd7842eba08f600d0afe6921d31c0b18aedb513
SHA512

48b807dc4489813df2f2f567ef5e8627529758aef1b34a1f0e53889276e957c3146b124d01234469ce83aa3b69e86ec5a7fd9c1fe4d7754707795f51d0e221d0
SSDEEP

12288:4P/aECIO9hD0XB/e6NcYOo07wIOGMiS7bZc:4PyECImORjcYp0CGMVHG

Score

10^/10

darkcloud discovery persistence stealer

Malware Config

Extracted

Family

darkcloud

https://api.telegram.org/bot6686872771:AAGUwkUh0LMB8XwZ6Sv6jR4DHAsdZafImc0/sendMessage?chat_id=6542615755

Signatures

DarkCloud
An information stealer written in Visual Basic.
stealer darkcloud

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvilProgram = "C:\\Users\\Admin\\AppData\\Local\\Temp\\INQUIRY_08.exe"	INQUIRY_08.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 1212	2400	INQUIRY_08.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 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	Caspol.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2400	INQUIRY_08.exe
2400	INQUIRY_08.exe
2400	INQUIRY_08.exe
2400	INQUIRY_08.exe
2400	INQUIRY_08.exe
2400	INQUIRY_08.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	INQUIRY_08.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1212	Caspol.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1240	2400	INQUIRY_08.exe	84
PID 2400 wrote to memory of 1240	2400	INQUIRY_08.exe	84
PID 2400 wrote to memory of 1240	2400	INQUIRY_08.exe	84
PID 2400 wrote to memory of 3428	2400	INQUIRY_08.exe	85
PID 2400 wrote to memory of 3428	2400	INQUIRY_08.exe	85
PID 2400 wrote to memory of 3428	2400	INQUIRY_08.exe	85
PID 2400 wrote to memory of 3500	2400	INQUIRY_08.exe	86
PID 2400 wrote to memory of 3500	2400	INQUIRY_08.exe	86
PID 2400 wrote to memory of 3500	2400	INQUIRY_08.exe	86
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87
PID 2400 wrote to memory of 1212	2400	INQUIRY_08.exe	87

C:\Users\Admin\AppData\Local\Temp\INQUIRY_08.exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY_08.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:1240
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:3428
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:3500
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1212

Network

MITRE ATT&CK Enterprise v15

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1212-5-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1212-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1212-12-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2400-0-0x00007FFF286D3000-0x00007FFF286D5000-memory.dmp

Filesize
8KB

Download
memory/2400-1-0x0000026378CC0000-0x0000026378D36000-memory.dmp

Filesize
472KB

Download
memory/2400-2-0x000002637B1A0000-0x000002637B206000-memory.dmp

Filesize
408KB

Download
memory/2400-3-0x00007FFF286D0000-0x00007FFF29191000-memory.dmp

Filesize
10.8MB

Download
memory/2400-4-0x00000263790D0000-0x00000263790E4000-memory.dmp

Filesize
80KB

Download
memory/2400-9-0x00007FFF286D0000-0x00007FFF29191000-memory.dmp

Filesize
10.8MB

Download