7635079472f751071c32a41949affd5f1e70a9f01c173f8e1ba0ae41302ea97e

Analysis

max time kernel
102s
max time network
43s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 08:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RJ01082861-PC/nw_200_percent.pak
Size

1.0MB
MD5

d34b90e878406957af906231c5babebb
SHA1

fcda6ff445444b2e928921efad36f5fd7e57b479
SHA256

3735f2188ae62cfc88cfef7b2cc0f76327b47255189484800e9c5902ce4615ec
SHA512

7af74edbbf9fbe1bc850942917a9fa2a5273e1d2315b84ba55f4d8514d16090d2cacff16fff9a2c675a21b2e1324650976bdf6939f3b6b5661569a7342dd5c5e
SSDEEP

12288:LkAoa3092fRFNUeUA5gMYqRJLArj/513Ojgs4jTxtgk1/ov8BI3N3:Ppf7NHx5gRqfo/513OjbagSov5Z

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3056	AcroRd32.exe
3056	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2708	2428	cmd.exe	29
PID 2428 wrote to memory of 2708	2428	cmd.exe	29
PID 2428 wrote to memory of 2708	2428	cmd.exe	29
PID 2708 wrote to memory of 3056	2708	rundll32.exe	30
PID 2708 wrote to memory of 3056	2708	rundll32.exe	30
PID 2708 wrote to memory of 3056	2708	rundll32.exe	30
PID 2708 wrote to memory of 3056	2708	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RJ01082861-PC\nw_200_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RJ01082861-PC\nw_200_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2708
- - 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\RJ01082861-PC\nw_200_percent.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
7e6c5d1561493d892f16e3ed3eaf5d51

SHA1
e37315c1090a8a75255cb6730987d231743cb48f

SHA256
cd5222cac44b236a4242128a87b3158194f8953895eb3a1db85c4c852015ad05

SHA512
400208b6d8c110b538e6ccb8517a5b0c209cad45280e5e66e433b6c20ecc0622fc195fb77e438c0a8fd2f69a8892e15129bc1c16e311c18fa7c58f8a7d4fc6c7

Download Submit