darkcloud | d07c95e8960c8d0a4de79e97afbbb836d73b8869dda97917bce1d0fa4ef88195

Analysis

max time kernel
139s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 16:25

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General

Target

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
Size

982KB
MD5

89768b71499c0eb974853e8e3f0cf5c4
SHA1

be5b1ac72323e8e92643d3e0804d83b902ba486b
SHA256

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8
SHA512

badad67ac5109fe02d03f6685329ca30a057eb7b07706a1508854f86fd1339d578147e5beee0e084dc7eb6046288da26aefdbfea4e222eda005205307d962654
SSDEEP

24576:gWTx232DgTe6ATI2Kw5JdnFjXX7juCCmOhsN:jAV3ATIts1VXPuBh

Score

10^/10

darkcloud discovery execution stealer

Malware Config

Extracted

Family

darkcloud

Attributes

email_from
[email protected]
email_to
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2936	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

description	pid	Process	procid_target
PID 2432 set thread context of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
1852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exepowershell.exe

pid	Process
2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
2936	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

pid	Process
2892	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
Token: SeDebugPrivilege	2936	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

pid	Process
2892	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe

description	pid	Process	procid_target
PID 2432 wrote to memory of 2936	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	30
PID 2432 wrote to memory of 2936	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	30
PID 2432 wrote to memory of 2936	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	30
PID 2432 wrote to memory of 2936	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	30
PID 2432 wrote to memory of 1852	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	32
PID 2432 wrote to memory of 1852	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	32
PID 2432 wrote to memory of 1852	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	32
PID 2432 wrote to memory of 1852	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	32
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34
PID 2432 wrote to memory of 2892	2432	5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe	34

C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
"C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ejRwJRECzTJTn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ejRwJRECzTJTn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAFD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1852
- C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe
  "C:\Users\Admin\AppData\Local\Temp\5489a717a23f4b7e2f250429554bd8a3d744970e1bfabe2162c9eb2fa8c04df8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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\Temp\tmpCAFD.tmp

Filesize
1KB

MD5
d9c9122dd4172377f27c51d67c0226a6

SHA1
c323e822eba91429ba03ff07167352bf5cfdfa0f

SHA256
6b14782f803de7ef7b1fe7139106efdb21bec3ad57886cd69cf8469d971259a2

SHA512
e3ff4bfb5e2c879fc2ab7cb348806aac97c6cdfe9e9f04bc151eb369fef07fca76612633330f706fbf4be7670643053bd39acdc8adfb8ffd5fbe17f0eda07277

Download Submit
memory/2432-6-0x0000000005100000-0x00000000051C0000-memory.dmp

Filesize
768KB

Download
memory/2432-27-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2432-3-0x00000000006D0000-0x00000000006EA000-memory.dmp

Filesize
104KB

Download
memory/2432-4-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2432-5-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2432-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2432-1-0x0000000001370000-0x000000000146C000-memory.dmp

Filesize
1008KB

Download
memory/2432-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2892-22-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2892-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2892-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2892-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download