f909ebd511da9da6f365d64c03a65ccd7ab6c25bbeec8734d6a860314e6d34eb

Analysis

max time kernel
122s
max time network
143s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 23:12

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General

Target

BepInEx/config/BepInEx.cfg
Size

5KB
MD5

6fbb79abb157e750f22ca08a527f5e43
SHA1

55334443c0634bfaedbe4d3b33c825a26245a3ba
SHA256

8443d78f427027c263511cf66eec454ddf96dee397d042b4f8e00673d3653719
SHA512

0d99c0603e99b90295a0ce521bbc0c08763689df6928d3ec11c1a8801fed33ee3cbac90f70053cffd7d6adb7c9bbf195e7f7a7a7cd8f88747b8a51471caabe21
SSDEEP

48:5XUersx5gHtjYjnnV7xdT9xD+KFNel2ieevnrUn3V7apmvY7rUn3V7apuenY2z09:5XjESNjYjnxTLDtnUdxU36pU366GCnOU

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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\cfg_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.cfg	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
524	AcroRd32.exe
524	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1964	2548	cmd.exe	31
PID 2548 wrote to memory of 1964	2548	cmd.exe	31
PID 2548 wrote to memory of 1964	2548	cmd.exe	31
PID 1964 wrote to memory of 524	1964	rundll32.exe	32
PID 1964 wrote to memory of 524	1964	rundll32.exe	32
PID 1964 wrote to memory of 524	1964	rundll32.exe	32
PID 1964 wrote to memory of 524	1964	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\BepInEx\config\BepInEx.cfg
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BepInEx\config\BepInEx.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1964
- - 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\BepInEx\config\BepInEx.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:524

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
13f3658bd1cdf72af956ba17059421bf

SHA1
b2530fefb734c7e333aa0236261c9c5c9bc21e21

SHA256
fc098d0ccd6b5da2c7c759a0053099505826de346b862cf727516e14d468dc38

SHA512
2ecdc30d84533ea3b068e3d0652760c5b7fbcf07f978a1a444a02bdbcef598750d1076a8b3f41863f77b1f1e262dedb996aded232a67932139d13c4851ceadd4

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