darkcloud | aa653ad0d107b2d7ab98d4ede0eef147b73fbd7eb2f522f0bf608f833daebe34

Analysis

max time kernel
144s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2025, 14:32

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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
4884	powershell.exe
4808	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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	RFQ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 828 set thread context of 3124	828	RFQ.exe	102

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	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
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
720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4884	powershell.exe
4808	powershell.exe
4884	powershell.exe
4808	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3124	RFQ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	4808	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3124	RFQ.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 4884	828	RFQ.exe	96
PID 828 wrote to memory of 4884	828	RFQ.exe	96
PID 828 wrote to memory of 4884	828	RFQ.exe	96
PID 828 wrote to memory of 4808	828	RFQ.exe	98
PID 828 wrote to memory of 4808	828	RFQ.exe	98
PID 828 wrote to memory of 4808	828	RFQ.exe	98
PID 828 wrote to memory of 720	828	RFQ.exe	100
PID 828 wrote to memory of 720	828	RFQ.exe	100
PID 828 wrote to memory of 720	828	RFQ.exe	100
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102
PID 828 wrote to memory of 3124	828	RFQ.exe	102

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 use of WriteProcessMemory
PID:828
- 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:4884
- 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:4808
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wOPQRmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA26.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:720
- 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:3124

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
3072c555c8be58c8edd998a6aa0393ed

SHA1
1766d2b2f7a4313389e035a4141e9b53a321dd96

SHA256
1a29572356f69f83ecd843a2b47d409d9621c1344eb3969804d11bdb448ea825

SHA512
d3e0b968ff4ebce897869e9448ca2c9e0307c5243bd1c61d81056ce2207bec92732caf4f5ac06fe7a4af5ad4a67d5f3744eeb004e74be6e160bf72ced92eabb5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sxqiktaa.4lm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCA26.tmp

Filesize
1KB

MD5
66105fa878b34c9118e5c871241c1f2f

SHA1
342ceea746f7b7c63cfc913a3512aa9f47bbb10d

SHA256
1bb465483384bcda3c74259311ad1aab0875bebede232c48eca888359fd37591

SHA512
6239a2e6b9c99bbf8dc8c3ddecf40e35dc2a18c9104cc7a9d4705087521b6530c26f9639ff61c4054f57ad9242ae5401608db9d64168f87d2bbdaeb171546455

Download Submit
memory/828-7-0x0000000005C00000-0x0000000005C10000-memory.dmp

Filesize
64KB

Download
memory/828-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/828-6-0x0000000005C30000-0x0000000005CCC000-memory.dmp

Filesize
624KB

Download
memory/828-45-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/828-8-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/828-9-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/828-10-0x0000000006D40000-0x0000000006DFC000-memory.dmp

Filesize
752KB

Download
memory/828-5-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/828-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/828-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/828-1-0x0000000000E80000-0x0000000000F62000-memory.dmp

Filesize
904KB

Download
memory/828-3-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/3124-26-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3124-94-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3124-28-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4808-21-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4808-80-0x00000000072B0000-0x00000000072BA000-memory.dmp

Filesize
40KB

Download
memory/4808-78-0x0000000007880000-0x0000000007EFA000-memory.dmp

Filesize
6.5MB

Download
memory/4808-29-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4808-68-0x0000000006F00000-0x0000000006FA3000-memory.dmp

Filesize
652KB

Download
memory/4808-84-0x0000000007480000-0x0000000007494000-memory.dmp

Filesize
80KB

Download
memory/4808-23-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4808-92-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4808-55-0x0000000006E90000-0x0000000006EC2000-memory.dmp

Filesize
200KB

Download
memory/4808-66-0x0000000006ED0000-0x0000000006EEE000-memory.dmp

Filesize
120KB

Download
memory/4808-56-0x000000006F3D0000-0x000000006F41C000-memory.dmp

Filesize
304KB

Download
memory/4884-16-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4884-44-0x0000000006890000-0x00000000068DC000-memory.dmp

Filesize
304KB

Download
memory/4884-41-0x0000000006310000-0x000000000632E000-memory.dmp

Filesize
120KB

Download
memory/4884-31-0x0000000005D10000-0x0000000006064000-memory.dmp

Filesize
3.3MB

Download
memory/4884-67-0x000000006F3D0000-0x000000006F41C000-memory.dmp

Filesize
304KB

Download
memory/4884-22-0x0000000005300000-0x0000000005322000-memory.dmp

Filesize
136KB

Download
memory/4884-79-0x0000000007650000-0x000000000766A000-memory.dmp

Filesize
104KB

Download
memory/4884-24-0x0000000005520000-0x0000000005586000-memory.dmp

Filesize
408KB

Download
memory/4884-81-0x00000000078D0000-0x0000000007966000-memory.dmp

Filesize
600KB

Download
memory/4884-82-0x0000000007850000-0x0000000007861000-memory.dmp

Filesize
68KB

Download
memory/4884-83-0x0000000007880000-0x000000000788E000-memory.dmp

Filesize
56KB

Download
memory/4884-25-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/4884-85-0x0000000007990000-0x00000000079AA000-memory.dmp

Filesize
104KB

Download
memory/4884-86-0x0000000007970000-0x0000000007978000-memory.dmp

Filesize
32KB

Download
memory/4884-19-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4884-18-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4884-93-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4884-17-0x00000000055C0000-0x0000000005BE8000-memory.dmp

Filesize
6.2MB

Download
memory/4884-15-0x0000000002990000-0x00000000029C6000-memory.dmp

Filesize
216KB

Download