darkcloud | aa653ad0d107b2d7ab98d4ede0eef147b73fbd7eb2f522f0bf608f833daebe34

Analysis

max time kernel
148s
max time network
150s
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, 14:36

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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
3888	powershell.exe
2952	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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation	RFQ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3468 set thread context of 4868	3468	RFQ.exe	95

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2276	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2952	powershell.exe
3888	powershell.exe
2952	powershell.exe
3888	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4868	RFQ.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3888	powershell.exe
Token: SeDebugPrivilege	2952	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4868	RFQ.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 3888	3468	RFQ.exe	89
PID 3468 wrote to memory of 3888	3468	RFQ.exe	89
PID 3468 wrote to memory of 3888	3468	RFQ.exe	89
PID 3468 wrote to memory of 2952	3468	RFQ.exe	91
PID 3468 wrote to memory of 2952	3468	RFQ.exe	91
PID 3468 wrote to memory of 2952	3468	RFQ.exe	91
PID 3468 wrote to memory of 2276	3468	RFQ.exe	92
PID 3468 wrote to memory of 2276	3468	RFQ.exe	92
PID 3468 wrote to memory of 2276	3468	RFQ.exe	92
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95
PID 3468 wrote to memory of 4868	3468	RFQ.exe	95

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:3468
- 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:3888
- 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:2952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wOPQRmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7C2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2276
- 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:4868

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
c6e8da3e6bd7b0b1f7fbd2a843ced234

SHA1
323d0f8946320989243af0902c916d8232cd5fac

SHA256
921e9ec9afb33708c0a2291ea7da95747638f589a2bf58c58fd67fd879ccf4de

SHA512
66ac949a2ac4c6bab15470599d9fb53c761756701042fdb3c0dd0bfe27e4a01684c14a1ea022fc787fb17fc5e1fb5434b972786f8d1c16981ad55991a47a30ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gsfvnspu.0dw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD7C2.tmp

Filesize
1KB

MD5
63beeeafab9a8e1fe269494648695250

SHA1
e1f49b3f2fa68984c34c76c12669b4c068c3b137

SHA256
2ae64e7c0dfe491005023181ddfd767f674e6789fd73e08b8e6b28da66faf146

SHA512
83bc0b20e2ddff8e35f6106e71f4313d46abbb5a8da17b3b7b0c68355cde55874967711c5d9b0a5947ee3d7cb1484f950e4be91afceb988d9f652bfb5d11b9ce

Download Submit
memory/2952-79-0x0000000007B40000-0x0000000007B4A000-memory.dmp

Filesize
40KB

Download
memory/2952-46-0x0000000006140000-0x0000000006162000-memory.dmp

Filesize
136KB

Download
memory/2952-88-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2952-85-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/2952-84-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/2952-83-0x0000000007D10000-0x0000000007D24000-memory.dmp

Filesize
80KB

Download
memory/2952-82-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/2952-81-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/2952-80-0x0000000007D50000-0x0000000007DE6000-memory.dmp

Filesize
600KB

Download
memory/2952-67-0x0000000008110000-0x000000000878A000-memory.dmp

Filesize
6.5MB

Download
memory/2952-70-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/2952-54-0x0000000007750000-0x0000000007782000-memory.dmp

Filesize
200KB

Download
memory/2952-65-0x0000000006D60000-0x0000000006D7E000-memory.dmp

Filesize
120KB

Download
memory/2952-20-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2952-22-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/2952-66-0x0000000007990000-0x0000000007A33000-memory.dmp

Filesize
652KB

Download
memory/2952-55-0x0000000075030000-0x000000007507C000-memory.dmp

Filesize
304KB

Download
memory/2952-53-0x0000000006CD0000-0x0000000006D1C000-memory.dmp

Filesize
304KB

Download
memory/2952-52-0x0000000006780000-0x000000000679E000-memory.dmp

Filesize
120KB

Download
memory/2952-48-0x00000000062C0000-0x0000000006326000-memory.dmp

Filesize
408KB

Download
memory/2952-50-0x0000000006330000-0x0000000006684000-memory.dmp

Filesize
3.3MB

Download
memory/2952-47-0x00000000061E0000-0x0000000006246000-memory.dmp

Filesize
408KB

Download
memory/3468-5-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3468-10-0x00000000067C0000-0x000000000687C000-memory.dmp

Filesize
752KB

Download
memory/3468-49-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3468-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/3468-1-0x0000000000870000-0x0000000000952000-memory.dmp

Filesize
904KB

Download
memory/3468-4-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/3468-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/3468-6-0x0000000005610000-0x00000000056AC000-memory.dmp

Filesize
624KB

Download
memory/3468-7-0x0000000005600000-0x0000000005610000-memory.dmp

Filesize
64KB

Download
memory/3468-8-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/3468-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/3468-9-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3888-19-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3888-15-0x00000000024E0000-0x0000000002516000-memory.dmp

Filesize
216KB

Download
memory/3888-16-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3888-18-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3888-17-0x0000000004FE0000-0x0000000005608000-memory.dmp

Filesize
6.2MB

Download
memory/3888-68-0x0000000075030000-0x000000007507C000-memory.dmp

Filesize
304KB

Download
memory/3888-92-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4868-26-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4868-23-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/4868-93-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download