darkcloud | 5e45f400b15d22d484430e07d36c9b01eef5bc3069faa8c9fa8b1b88be93ef9a

Analysis

max time kernel
135s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/03/2025, 02:29

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General

Target

bank details.exe
Size

893KB
MD5

f2cbbaddb0675bd99c305106ae05ca14
SHA1

a416708ffdca33fee302a7ec0503c000801a3bd8
SHA256

5b47ff1c8bb1efc83e426e6c33c217838e822424e0df06564f1ca0670170885c
SHA512

7723894d81284072bd654fae6780dd0db419341c20202952b9e5cf5720a4b5b6e818b2ffff2976baa58ae939eda0612d35409656a8d6dc74cd27fcb7f512bad3
SSDEEP

24576:n4l0MSRqgEauL0L1V2FbhfV2kzTbXlAaJuEl4+vode8:n4l0MSRqgEdLS1UrI4lHJZjgI

Score

10^/10

darkcloud discovery stealer

Malware Config

Extracted

Family

darkcloud

Credentials

Protocol: ftp
Host:
@StrFtpServer
Port:
21
Username:
@StrFtpUser
Password:
@StrFtpPass

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 1984 set thread context of 2188	1984	bank details.exe	31

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	bank details.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1984	bank details.exe
1984	bank details.exe
1984	bank details.exe
1984	bank details.exe
1984	bank details.exe
1984	bank details.exe
1984	bank details.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2188	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	bank details.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2188	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31
PID 1984 wrote to memory of 2188	1984	bank details.exe	31

C:\Users\Admin\AppData\Local\Temp\bank details.exe
"C:\Users\Admin\AppData\Local\Temp\bank details.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2188

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

Replay Monitor

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Downloads

memory/1984-6-0x00000000043E0000-0x0000000004488000-memory.dmp

Filesize
672KB

Download
memory/1984-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1984-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1984-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1984-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1984-5-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1984-1-0x0000000000820000-0x0000000000906000-memory.dmp

Filesize
920KB

Download
memory/1984-20-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/2188-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2188-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2188-7-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2188-10-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2188-17-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2188-15-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2188-21-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download