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
151s
max time network
12s
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_encryptor.sh
Size

2KB
MD5

27be323f0057b258961da949655deaec
SHA1

05d60c843a5b85cc51799d638cfaad2b4009dbf9
SHA256

122d4473f8336fa9b3e69d3fb58112b22e7efd9435f53f90d06f9cf8a1dbccc1
SHA512

98a48ae25952ec165b3d99516f67948062b2810ff43d993d33f7c2770c78b5739547208c2003d1b6e53d7fdb4212361f202fbfee49e8546c60e55a40a2d3e758

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\Local Settings	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\.sh\ = "sh_auto_file"	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\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
Key created	\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_auto_file\shell	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
360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
360	AcroRd32.exe
360	AcroRd32.exe
360	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1208 wrote to memory of 1244	1208	cmd.exe	27
PID 1208 wrote to memory of 1244	1208	cmd.exe	27
PID 1208 wrote to memory of 1244	1208	cmd.exe	27
PID 1244 wrote to memory of 360	1244	rundll32.exe	31
PID 1244 wrote to memory of 360	1244	rundll32.exe	31
PID 1244 wrote to memory of 360	1244	rundll32.exe	31
PID 1244 wrote to memory of 360	1244	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_encryptor.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- 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_encryptor.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1244
- - 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_encryptor.sh"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:360

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/360-62-0x0000000000000000-mapping.dmp

Download
memory/360-63-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/1208-59-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1244-60-0x0000000000000000-mapping.dmp

Download