darkcloud | a247965461e20da5cf0f7a31daeae7fed5eb49c4a19af705f33b8c25f6230d3d

Analysis

max time kernel
141s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2025, 08:46

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General

Target
RFQ #02627023.exe
Size 880KB
Sample250203-kpb3jaykbr
SHA256 a247965461e20da5cf0f7a31daeae7fed5eb49c4a19af705f33b8c25f6230d3d
MD5 dbe14b044c4c6a22856b3be4b30bd98e
SHA1 b9350ebd1788f0d11139cf7b0b359cef1cb65088
SHA512 33b9fa92dde66fcbd3fc6084af07ac7cd78bec53e4a90cdfa9ac1d52e0940262b6018080afa2ec161c84b96b68c2bc69b38203c113afa86f2feb23318d4fc045
SSDEEP 24576:/weLMgcoG6bp1fjkodCw6SrAOLGc55WGxLyjH4:/wTFo3Curr5/xLyM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcloud discovery stealer

Malware Config

Extracted

Family

darkcloud

https://api.telegram.org/bot6107929879:AAHV6JwXs7rcYzMGLe3_opR5_gdKAC16Ye4/sendMessage?chat_id=6311012313

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3832 set thread context of 876	3832	RFQ #02627023.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 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 #02627023.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ #02627023.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe
3832	RFQ #02627023.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3832	RFQ #02627023.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
876	RFQ #02627023.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 3640	3832	RFQ #02627023.exe	82
PID 3832 wrote to memory of 3640	3832	RFQ #02627023.exe	82
PID 3832 wrote to memory of 3640	3832	RFQ #02627023.exe	82
PID 3832 wrote to memory of 4408	3832	RFQ #02627023.exe	83
PID 3832 wrote to memory of 4408	3832	RFQ #02627023.exe	83
PID 3832 wrote to memory of 4408	3832	RFQ #02627023.exe	83
PID 3832 wrote to memory of 2332	3832	RFQ #02627023.exe	84
PID 3832 wrote to memory of 2332	3832	RFQ #02627023.exe	84
PID 3832 wrote to memory of 2332	3832	RFQ #02627023.exe	84
PID 3832 wrote to memory of 3412	3832	RFQ #02627023.exe	85
PID 3832 wrote to memory of 3412	3832	RFQ #02627023.exe	85
PID 3832 wrote to memory of 3412	3832	RFQ #02627023.exe	85
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86
PID 3832 wrote to memory of 876	3832	RFQ #02627023.exe	86

C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
  2⤵
  PID:3640
- C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
  2⤵
  PID:4408
- C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
  2⤵
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
  2⤵
  PID:3412
- C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ #02627023.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/876-11-0x0000000000400000-0x0000000000460000-memory.dmp

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memory/876-18-0x0000000000400000-0x0000000000460000-memory.dmp

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memory/876-14-0x0000000000400000-0x0000000000460000-memory.dmp

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memory/3832-6-0x00000000051A0000-0x000000000523C000-memory.dmp

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memory/3832-4-0x0000000005000000-0x000000000500A000-memory.dmp

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memory/3832-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

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memory/3832-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

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memory/3832-7-0x0000000005350000-0x000000000536E000-memory.dmp

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memory/3832-8-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

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memory/3832-9-0x0000000074CD0000-0x0000000075480000-memory.dmp

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memory/3832-10-0x000000000A3A0000-0x000000000A44A000-memory.dmp

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memory/3832-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

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memory/3832-2-0x0000000005420000-0x00000000059C4000-memory.dmp

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memory/3832-17-0x0000000074CD0000-0x0000000075480000-memory.dmp

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memory/3832-1-0x00000000004D0000-0x00000000005B2000-memory.dmp

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