6cf956db3859bd847314f12112f287b8fdd2d2be52774ead74714e6a767a35bb

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
27/06/2022, 18:17

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General

Target

file.rsp
Size

15B
MD5

1c6a69652e5dcdef6a4c8c8c9e546485
SHA1

46e22f9189a4fc3dc8fd91298b0f5e826a17d7ae
SHA256

499edadfbca140ed6e915a7fb7769b8f3da33c4d2173ff056f489a07da91dc4e
SHA512

c05d4b04a79430c90930d8e841a1bf134990d5e39dd1a3b6c5dd2d8a13a7c0e2b49887cebfa89328a75f45d58f661e6956ce98ed4b1d0d338fd9133286091daf

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-1-5-21-1083475884-596052423-1669053738-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\rsp_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_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-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\rsp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\rsp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\rsp_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\rsp_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\.rsp	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\.rsp\ = "rsp_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1732	1080	cmd.exe	29
PID 1080 wrote to memory of 1732	1080	cmd.exe	29
PID 1080 wrote to memory of 1732	1080	cmd.exe	29
PID 1732 wrote to memory of 1820	1732	rundll32.exe	30
PID 1732 wrote to memory of 1820	1732	rundll32.exe	30
PID 1732 wrote to memory of 1820	1732	rundll32.exe	30
PID 1732 wrote to memory of 1820	1732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\file.rsp
1⤵
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\file.rsp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1732
- - 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\file.rsp"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1820

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

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Downloads

memory/1080-54-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

Filesize
8KB

Download
memory/1820-82-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

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