4e17f5bbf46136f90fa889672a5d2f62e4031f285748b9b23488287e3a89985a

Analysis

max time kernel
153s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
submitted
03-07-2022 17:45

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General

Target

piata/go.sh
Size

93B
MD5

62dd792bbbdc1bc5486771a3647946cd
SHA1

270375a8efc07eb935ec6d7c23db0ed25acbee18
SHA256

4ce4183636f4c993f9ce1f3148dcacd91ab9c0ec74d721388fca6a10ddba443d
SHA512

8020453e1473f29f9975c380e0793c1537df7623792f30023fa531336d045cba35ffe6d74fd6d76a32504cbbe7d3f68445a2c21a95ec34664f1c878e2df8eb07

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\sh_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
268	AcroRd32.exe
268	AcroRd32.exe
268	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 336 wrote to memory of 2040	336	cmd.exe	29
PID 336 wrote to memory of 2040	336	cmd.exe	29
PID 336 wrote to memory of 2040	336	cmd.exe	29
PID 2040 wrote to memory of 268	2040	rundll32.exe	30
PID 2040 wrote to memory of 268	2040	rundll32.exe	30
PID 2040 wrote to memory of 268	2040	rundll32.exe	30
PID 2040 wrote to memory of 268	2040	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\piata\go.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:336
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\piata\go.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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\piata\go.sh"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:268

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/268-82-0x00000000752A1000-0x00000000752A3000-memory.dmp

Filesize
8KB

Download
memory/336-54-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download