05cb23ac804ab1c484ec3cd406d10c4a0a4f3b70a0e0c41111819e61226711b5

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 18:40

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General

Target

config/BepInEx.cfg
Size

5KB
MD5

1470f1b227ce82ba7e9abe4abc8ffefb
SHA1

b711435396a9ffc1619ddf76004837e7d49cabb8
SHA256

7c594bee79a4c41c5a4c9430036d2570f4b8cc6816e6e4a3e505880e70721202
SHA512

45c783ac090101a1398e524c3434c624c873191cd041d64f2461b1a6572c1d1de30f4236d4bf1434ade9ffa5fb0e154e61a432e1e36bb982634e85d83e7bfbb3
SSDEEP

48:5XJersx5gHtjYjwnV7xdT9xGb+KFNel2ieevnrUn3V7apfvY7rUn3V7a2eAY2z0K:5XoESNjYjWxTLmtnUdxU360U3kZCnUU

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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\cfg_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\cfg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2880 wrote to memory of 2896	2880	cmd.exe	29
PID 2896 wrote to memory of 2664	2896	rundll32.exe	30
PID 2896 wrote to memory of 2664	2896	rundll32.exe	30
PID 2896 wrote to memory of 2664	2896	rundll32.exe	30
PID 2896 wrote to memory of 2664	2896	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config\BepInEx.cfg
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config\BepInEx.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2896
- - 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\config\BepInEx.cfg"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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

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Downloads

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

Filesize
3KB

MD5
37ae0bb2f158656121c22014d2b30208

SHA1
18cb41f867567895f8586cdef41df11c34929a22

SHA256
5ae441cf61d7fa0a4e251bcb4b2ea4d7b8624fd436c9906522fd703f4054c3c9

SHA512
f743f69dd6dbd44ce320448e4e46f2190807fea1b57047baf8fdf8e6d71b78ed28c7ec34d158f3cfb1d49a1a7dd5706ba0b5e9418c6c371cf5cfa02844604555

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