b0baf071692d63267aaf41bd3db933826523b59e8fca49655e1656ce0c656c71

Resubmissions

12-10-2024 18:55

241012-xk1asazfrj 10

30-11-2023 19:32

231130-x8zddshb2y 10

28-06-2021 11:05

210628-3vdg7sx13e 3

Analysis

max time kernel
150s
max time network
60s
platform
windows7_x64
resource
win7v20210410
submitted
28-06-2021 11:05

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General

Target

31.214.157.40_#DarkRadiation_by_@r3dbU7z/api/bash_decryptor.sh
Size

341B
MD5

013e22cea40101aabb5104374b9799f1
SHA1

a7e7734c2c6f929bca996a20ecbe15f5a7647ae8
SHA256

c881660ad1883ad35f1f6b6cb75ef28cda471b54b58ef594b45183ba71ee6126
SHA512

eedde28f522f3d779cff26d9605b1d9250797df9cd375c0eb657e0d976853611ab12161f2f5309f9b346a49101a4e0d19efdfa773f80a9f444460a5745267b5d

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
652	AcroRd32.exe
652	AcroRd32.exe
652	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1996 wrote to memory of 1796	1996	cmd.exe	28
PID 1996 wrote to memory of 1796	1996	cmd.exe	28
PID 1996 wrote to memory of 1796	1996	cmd.exe	28
PID 1796 wrote to memory of 652	1796	rundll32.exe	31
PID 1796 wrote to memory of 652	1796	rundll32.exe	31
PID 1796 wrote to memory of 652	1796	rundll32.exe	31
PID 1796 wrote to memory of 652	1796	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\31.214.157.40_#DarkRadiation_by_@r3dbU7z\api\bash_decryptor.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\31.214.157.40_#DarkRadiation_by_@r3dbU7z\api\bash_decryptor.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\31.214.157.40_#DarkRadiation_by_@r3dbU7z\api\bash_decryptor.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-63-0x0000000000000000-mapping.dmp

Download
memory/652-64-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/1796-61-0x0000000000000000-mapping.dmp

Download
memory/1996-60-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

Filesize
8KB

Download