dc00d383b30857a1d0a615bc1c37899151571fec9675f64e01a02f54d59c0b89

Analysis

max time kernel
150s
max time network
45s
platform
windows7_x64
resource
win7-20220414-en
submitted
27/06/2022, 18:55

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General

Target

req.rsp
Size

14B
MD5

8961ff9977a5861e297b00a0ba84417b
SHA1

8b46f92da77e848982e76229a2ff59b40ba4ad7f
SHA256

dbaa46413f8babf05659ac1113a2d7905ae695799a9a5381dae05dc41cd16475
SHA512

279e31a6f855ccdfd0320282b9c39d56c963bc814d0b7fe67efed4a693e114b1457a788cdaf3fc97b61fce8e168b2c536d56af59db899e0855dadde42fa97600

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	rundll32.exe
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\.rsp	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.rsp\ = "rsp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1028	1092	cmd.exe	29
PID 1092 wrote to memory of 1028	1092	cmd.exe	29
PID 1092 wrote to memory of 1028	1092	cmd.exe	29
PID 1028 wrote to memory of 1320	1028	rundll32.exe	30
PID 1028 wrote to memory of 1320	1028	rundll32.exe	30
PID 1028 wrote to memory of 1320	1028	rundll32.exe	30
PID 1028 wrote to memory of 1320	1028	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\req.rsp
1⤵
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\req.rsp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1028
- - 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\req.rsp"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1320

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/1092-54-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

Download
memory/1320-82-0x00000000765C1000-0x00000000765C3000-memory.dmp

Filesize
8KB

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