darkcloud | cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8

General

Target

cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
Size

1.2MB
MD5

627edd7194c593aff1a4a9b20fb9c69d
SHA1

ee168450664c7dadf344144d84f0818714e9a63f
SHA256

cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8
SHA512

b18d0d7fca2c78f8c7bdceb7dce1eb864aa49d62c694f68b6e7fddb4f0d379cd24696e3ab4298f8fd6ff764134ac1003efe217e66e98eb39c7dc9c0bbc058677
SSDEEP

24576:mu6J33O0c+JY5UZ+XC0kGso6FamxC6w0BM6P32KNK/5HWY:ou0c++OCvkGs9FamS+932KA/8Y

Score

10^/10

darkcloud discovery stealer upx

Malware Config

Extracted

Family

darkcloud

Attributes

email_from
[email protected]
email_to
[email protected]

Signatures

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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000700000001937b-38.dat	acprotect

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\miaou.vbs	miaou.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	miaou.exe

Loads dropped DLL 2 IoCs

pid	Process
2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
2760	svchost.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x00070000000190e0-12.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2760	2124	miaou.exe	32

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000700000001937b-38.dat	upx
behavioral1/memory/2760-39-0x0000000074AE0000-0x0000000074B49000-memory.dmp	upx
behavioral1/memory/2760-44-0x0000000074AE0000-0x0000000074B49000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	miaou.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2124	miaou.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
2124	miaou.exe
2124	miaou.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
2124	miaou.exe
2124	miaou.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2124	2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe	31
PID 2432 wrote to memory of 2124	2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe	31
PID 2432 wrote to memory of 2124	2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe	31
PID 2432 wrote to memory of 2124	2432	cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe	31
PID 2124 wrote to memory of 2760	2124	miaou.exe	32
PID 2124 wrote to memory of 2760	2124	miaou.exe	32
PID 2124 wrote to memory of 2760	2124	miaou.exe	32
PID 2124 wrote to memory of 2760	2124	miaou.exe	32
PID 2124 wrote to memory of 2760	2124	miaou.exe	32

C:\Users\Admin\AppData\Local\Temp\cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe
"C:\Users\Admin\AppData\Local\Temp\cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\preinhered\miaou.exe
  "C:\Users\Admin\AppData\Local\Temp\cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Anglophile

Filesize
28KB

MD5
4552df5b0fee36263675cf1d7504e881

SHA1
862547347381cd224f6e064addde6cc94ca0e69f

SHA256
1aa31906e75265352ad902c54349c2c763f2193b8b6b612d59d2b387d438d71c

SHA512
984a4506899f016a51a1ba899883c3b34bfd81f5c5c920343256bb864a70eb0246cce2d595862f8fc6864bfe38b8a37c66ac42846075e9e872257fcd6554a98e

Download Submit
\Users\Admin\AppData\Local\preinhered\miaou.exe

Filesize
1.2MB

MD5
627edd7194c593aff1a4a9b20fb9c69d

SHA1
ee168450664c7dadf344144d84f0818714e9a63f

SHA256
cfb11e1abacfa8a2ac0354c382f132169a0e314569a9e5b97f0bdf62adb161a8

SHA512
b18d0d7fca2c78f8c7bdceb7dce1eb864aa49d62c694f68b6e7fddb4f0d379cd24696e3ab4298f8fd6ff764134ac1003efe217e66e98eb39c7dc9c0bbc058677

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ZQABOPWE-Admin\vbsqlite3.dll

Filesize
161KB

MD5
073a17b6cfb1112c6c838b2fba06a657

SHA1
a54bb22489eaa8c52eb3e512aee522320530b0be

SHA256
dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab

SHA512
5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

Download Submit
memory/2432-10-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/2760-31-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2760-32-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2760-39-0x0000000074AE0000-0x0000000074B49000-memory.dmp

Filesize
420KB

Download
memory/2760-42-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2760-44-0x0000000074AE0000-0x0000000074B49000-memory.dmp

Filesize
420KB

Download

Analysis

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