3f70da063d48c6a6921fee36436a7ca0078c499746c43c575d17476c7aeb19e3

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19/05/2024, 19:52

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General

Target

locales/de.pak
Size

477KB
MD5

7ccdc41a3dbdf89058d71629225664ae
SHA1

e15c35b18685d9573349ff4247733b5f5ada8717
SHA256

163ea4c2cf67edd0526a8e18d3810872e92a1d4e17b5cf4f04107fda5967b0c9
SHA512

13b20b0db02a0a7480c56c79304ef594353507e1a30da0130b73aa8e9ec7636f306315a6f40729b10dc725f936642d2e2b282ed3040a079a6f25a7f9f7f1ae28
SSDEEP

6144:hHb3YfHLHsf63K7UpTzighla/nxDUBEmw3Am0o268dz5qRwT1MROI+ChF:yzY63K7UpCgvaPhf0p5q9+ChF

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2640	2412	cmd.exe	29
PID 2412 wrote to memory of 2640	2412	cmd.exe	29
PID 2412 wrote to memory of 2640	2412	cmd.exe	29
PID 2640 wrote to memory of 2636	2640	rundll32.exe	30
PID 2640 wrote to memory of 2636	2640	rundll32.exe	30
PID 2640 wrote to memory of 2636	2640	rundll32.exe	30
PID 2640 wrote to memory of 2636	2640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\de.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\de.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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\locales\de.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2636

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

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Downloads

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

Filesize
3KB

MD5
a9a6a0ec3d1494ed599c38b6853e1491

SHA1
dde60ae4799c22db5ed88f6e7fd66457a077b3de

SHA256
7d6faf57a0b0afd9c3bb200205a70f75ac6ee2de347a32c05346327f15d952c2

SHA512
b3bd5e535ebfd395b752f7bd39ed8e8344bda83163f0bf4dcf309a98897f93d1069b49b952cb41ed8962399331bf56e8fad196a3b616c7c37c06698a71004d2b

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