7c46038c39d5e574738069256bc30cf86675bcabea0905b97f92b8be1bffa58d

Analysis

max time kernel
601s
max time network
409s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02-02-2023 01:12

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General

Target

data.win
Size

206.6MB
MD5

2413d9da384f8d0ee4e2f2284663ecba
SHA1

701e740b89d4305e0bc491c8477f44999869c16b
SHA256

3996940b4df8931e5d54d6caf4b4afb98f0f9866fdf584fc9a0b01baaeb49d0f
SHA512

5137e107b2de176bf364d06d29c025f380aa06dbb1d48ca49689c39ffcd7f020f18a0b97172314da2df8c105323d882a9a8f1572ab01a0204e873086c46e63b3
SSDEEP

6291456:HxIH1baWonxWaVN7qHD0awRuV20fiXn8P/8O4SOEY:KHJQn4gqHDjwRFLO4vEY

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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.win	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.win\ = "win_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\win_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 896	1448	cmd.exe	28
PID 1448 wrote to memory of 896	1448	cmd.exe	28
PID 1448 wrote to memory of 896	1448	cmd.exe	28
PID 896 wrote to memory of 1376	896	rundll32.exe	29
PID 896 wrote to memory of 1376	896	rundll32.exe	29
PID 896 wrote to memory of 1376	896	rundll32.exe	29
PID 896 wrote to memory of 1376	896	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data.win
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\data.win
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:896
- - 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\data.win"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1376

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/1376-82-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1448-54-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp

Filesize
8KB

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