darkcloud | d07c95e8960c8d0a4de79e97afbbb836d73b8869dda97917bce1d0fa4ef88195

Analysis

max time kernel
138s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 16:25

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General

Target

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Size

981KB
MD5

11e3eec9035239203976f9847453ece4
SHA1

6198ac8abbf805341fe982dbb76f676fddb280bb
SHA256

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0
SHA512

0a3e247cd1168bb91a37b8dfe50a2f20f3ef0d81e4edfe3a209ed7badd9caacdc639e2d0285ddfcdb0a75eaf90d37b21c57c838264b3f3431f3a27c560d1ab14
SSDEEP

24576:bnOxmRc2cFD8ej9XqzazPMi9J3/KEYTVOSET:Cxm22c7XXN9J3fR

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
2640	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	pid	Process	procid_target
PID 2224 set thread context of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36

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:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exeschtasks.exe88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.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
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exe

pid	Process
2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
2640	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

pid	Process
2688	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

pid	Process
2688	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe

description	pid	Process	procid_target
PID 2224 wrote to memory of 2640	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	31
PID 2224 wrote to memory of 2640	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	31
PID 2224 wrote to memory of 2640	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	31
PID 2224 wrote to memory of 2640	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	31
PID 2224 wrote to memory of 2752	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	33
PID 2224 wrote to memory of 2752	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	33
PID 2224 wrote to memory of 2752	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	33
PID 2224 wrote to memory of 2752	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	33
PID 2224 wrote to memory of 2352	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	35
PID 2224 wrote to memory of 2352	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	35
PID 2224 wrote to memory of 2352	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	35
PID 2224 wrote to memory of 2352	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	35
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36
PID 2224 wrote to memory of 2688	2224	88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe	36

C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
"C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WPXnVudDPWDop.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WPXnVudDPWDop" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2617.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
  "C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe"
  2⤵
  PID:2352
- C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe
  "C:\Users\Admin\AppData\Local\Temp\88b07657500a548ed8476fa415896d2179c307d4751917ca892119c3fff120b0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2688

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\tmp2617.tmp

Filesize
1KB

MD5
19b3a71a4caf5c732584019a82a21e6c

SHA1
9ead42fade90c97e479e8a19ab691ad009314da3

SHA256
2573222791e1867b405f2cb0a033533426bcde2e0ff8cd768731770e92f035af

SHA512
e69b3012ce48f25adaaea138d3b6a82c4ea4dde6d07932bb4216a18e41b8607842a6680c5e3c9f0d5fd3079ad067a96eb20fbecb1f01ebcfc288ac170ec6ed5f

Download Submit
memory/2224-6-0x0000000005370000-0x0000000005430000-memory.dmp

Filesize
768KB

Download
memory/2224-27-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-3-0x0000000000600000-0x000000000061A000-memory.dmp

Filesize
104KB

Download
memory/2224-4-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2224-5-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2224-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2224-1-0x0000000000E70000-0x0000000000F6C000-memory.dmp

Filesize
1008KB

Download
memory/2224-2-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-16-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2688-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2688-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2688-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2688-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download