darkcloud | 52017a20ef2793e243b84b826c56b75a5c8c35bb2f16e70485510ba5b855dcef

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2025, 02:36

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General

Target

RFQ.exe
Size

881KB
MD5

768bed9843a8a7c96699b27fc40b8819
SHA1

4ae495c3540252bef39276bf6e9fc84435f7b7bb
SHA256

aa653ad0d107b2d7ab98d4ede0eef147b73fbd7eb2f522f0bf608f833daebe34
SHA512

e23d433ac20532c512d2f2db1badbf4a2e43d2c28ff73553e2de79d82a012dbe1afe81d59bc830f4606ff3b54b08cbbcbd2b6448cdb12a3246ffb4607ac93539
SSDEEP

12288:TfNeE6xIVKGJA1R1MbXgf+GH4oGSlhA8b06JJe4Ii3QOeGiTJyxwC1ht2ddT+:wE6xcA1LMbDqXm8b0iJ7r6cxvE

Score

10^/10

darkcloud discovery execution stealer

Malware Config

Extracted

Family

darkcloud

https://api.telegram.org/bot7725030292:AAFHYtQUWDdOhIko2DIqyexjh4XvUaOA1Fs/sendMessage?chat_id=6732456666

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1372	powershell.exe
1260	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	RFQ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3648 set thread context of 1328	3648	RFQ.exe	104

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 5 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.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	RFQ.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

pid	Process
976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1372	powershell.exe
1372	powershell.exe
1260	powershell.exe
1260	powershell.exe
3648	RFQ.exe
3648	RFQ.exe
1372	powershell.exe
1260	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1328	RFQ.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	1260	powershell.exe
Token: SeDebugPrivilege	3648	RFQ.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1328	RFQ.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 1372	3648	RFQ.exe	97
PID 3648 wrote to memory of 1372	3648	RFQ.exe	97
PID 3648 wrote to memory of 1372	3648	RFQ.exe	97
PID 3648 wrote to memory of 1260	3648	RFQ.exe	99
PID 3648 wrote to memory of 1260	3648	RFQ.exe	99
PID 3648 wrote to memory of 1260	3648	RFQ.exe	99
PID 3648 wrote to memory of 976	3648	RFQ.exe	101
PID 3648 wrote to memory of 976	3648	RFQ.exe	101
PID 3648 wrote to memory of 976	3648	RFQ.exe	101
PID 3648 wrote to memory of 1628	3648	RFQ.exe	103
PID 3648 wrote to memory of 1628	3648	RFQ.exe	103
PID 3648 wrote to memory of 1628	3648	RFQ.exe	103
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104
PID 3648 wrote to memory of 1328	3648	RFQ.exe	104

C:\Users\Admin\AppData\Local\Temp\RFQ.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wOPQRmK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1260
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wOPQRmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF31A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:976
- C:\Users\Admin\AppData\Local\Temp\RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
  2⤵
  PID:1628
- C:\Users\Admin\AppData\Local\Temp\RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1328

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5bu4mf20.3rs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF31A.tmp

Filesize
1KB

MD5
82ece85538ca3846b821ff566cb15464

SHA1
3b188b545e89e7ab334ac0a36a7e748b7ef9257d

SHA256
25e606ec9dde28a9ab3e91bb58edf585fa675fbe162d73dd22285064f9f7a33d

SHA512
482abd893d65cc391e47bfa2fcf9fa66e30e2cbaf2b2a7790eea4a37f630dbf17fdfa387619e78064baf69e76b55637ee76e5c16cdf20a39e8ed6728bd8ba376

Download Submit
memory/1260-67-0x00000000758B0000-0x00000000758FC000-memory.dmp

Filesize
304KB

Download
memory/1260-83-0x0000000006F70000-0x0000000006F84000-memory.dmp

Filesize
80KB

Download
memory/1260-82-0x0000000006F60000-0x0000000006F6E000-memory.dmp

Filesize
56KB

Download
memory/1260-80-0x0000000006FB0000-0x0000000007046000-memory.dmp

Filesize
600KB

Download
memory/1260-19-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1260-85-0x0000000007050000-0x0000000007058000-memory.dmp

Filesize
32KB

Download
memory/1260-23-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1260-89-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1260-21-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1328-45-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1328-46-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1372-15-0x0000000000C80000-0x0000000000CB6000-memory.dmp

Filesize
216KB

Download
memory/1372-79-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

Filesize
40KB

Download
memory/1372-16-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-20-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-17-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/1372-88-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-84-0x0000000007090000-0x00000000070AA000-memory.dmp

Filesize
104KB

Download
memory/1372-31-0x0000000004D20000-0x0000000004D86000-memory.dmp

Filesize
408KB

Download
memory/1372-48-0x0000000005530000-0x0000000005884000-memory.dmp

Filesize
3.3MB

Download
memory/1372-18-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/1372-81-0x0000000006F50000-0x0000000006F61000-memory.dmp

Filesize
68KB

Download
memory/1372-77-0x0000000007390000-0x0000000007A0A000-memory.dmp

Filesize
6.5MB

Download
memory/1372-78-0x0000000006D50000-0x0000000006D6A000-memory.dmp

Filesize
104KB

Download
memory/1372-26-0x0000000004C00000-0x0000000004C66000-memory.dmp

Filesize
408KB

Download
memory/1372-24-0x0000000004B60000-0x0000000004B82000-memory.dmp

Filesize
136KB

Download
memory/1372-52-0x0000000005A00000-0x0000000005A1E000-memory.dmp

Filesize
120KB

Download
memory/1372-53-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/1372-55-0x00000000758B0000-0x00000000758FC000-memory.dmp

Filesize
304KB

Download
memory/1372-54-0x0000000006000000-0x0000000006032000-memory.dmp

Filesize
200KB

Download
memory/1372-65-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/1372-66-0x0000000006C30000-0x0000000006CD3000-memory.dmp

Filesize
652KB

Download
memory/3648-9-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3648-6-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/3648-7-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/3648-8-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3648-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/3648-49-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3648-4-0x0000000075000000-0x00000000757B0000-memory.dmp

Filesize
7.7MB

Download
memory/3648-3-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/3648-10-0x0000000006470000-0x000000000652C000-memory.dmp

Filesize
752KB

Download
memory/3648-2-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/3648-0-0x000000007500E000-0x000000007500F000-memory.dmp

Filesize
4KB

Download
memory/3648-1-0x0000000000800000-0x00000000008E2000-memory.dmp

Filesize
904KB

Download