b7d230d9297da6df74b4bed212c224a064311e69f87079bbe51fdf00c3333216

Analysis

max time kernel
150s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
22/09/2022, 21:54

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General

Target

AutoUpdater2.js.results/IOC.json
Size

254B
MD5

8c68c13facc9dbf72617fe83b12185b1
SHA1

02d82835880c76b71ce90e85a06240a0f024b253
SHA256

6a7ab49d0e8dfb66b81b1798225fab7dca61b35ca6da3e8a1431d218cfcdab90
SHA512

0963a5b965f2a0956b25ae710b1dc2b0995d4862c9f07146caff38807b7be51e9197d060a47bcbba25a45f4954d3948426406656630619b7c90ec8e7823955e9

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\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\json_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\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1488	1132	cmd.exe	29
PID 1132 wrote to memory of 1488	1132	cmd.exe	29
PID 1132 wrote to memory of 1488	1132	cmd.exe	29
PID 1488 wrote to memory of 1076	1488	rundll32.exe	30
PID 1488 wrote to memory of 1076	1488	rundll32.exe	30
PID 1488 wrote to memory of 1076	1488	rundll32.exe	30
PID 1488 wrote to memory of 1076	1488	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\AutoUpdater2.js.results\IOC.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\AutoUpdater2.js.results\IOC.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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\AutoUpdater2.js.results\IOC.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1076

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/1076-82-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

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memory/1132-54-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

Filesize
8KB

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