b8e0cf75829325382142e376ab5357a5a206d2f54af8066954cd536b6dff71c6

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 18:15

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General

Target

FE06A030.pnach
Size

717B
MD5

dc029fa134626515956d65028b17a13d
SHA1

025293456c942cec28b3b1abd8979826a786ef75
SHA256

56adaa424c266a229b154d9d21661b4af00d065adab89b83e2aa4fd09c52ec89
SHA512

c41ffd2cc335cdc643e98dc72d46afce4a8b4c998328fb5f1dcb5699f80119a889140e47fd5e45411a12b42b8ca97827d0e4cd1bde71e63ad244f9f94d18fac1

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
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pnach	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pnach\ = "pnach_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pnach_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2136	AcroRd32.exe
2136	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2568	2012	cmd.exe	29
PID 2012 wrote to memory of 2568	2012	cmd.exe	29
PID 2012 wrote to memory of 2568	2012	cmd.exe	29
PID 2568 wrote to memory of 2136	2568	rundll32.exe	30
PID 2568 wrote to memory of 2136	2568	rundll32.exe	30
PID 2568 wrote to memory of 2136	2568	rundll32.exe	30
PID 2568 wrote to memory of 2136	2568	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FE06A030.pnach
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\FE06A030.pnach
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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\FE06A030.pnach"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2136

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
0ab6678bcad7ce29ad3eb5f552d49636

SHA1
69895a9da60d1654ac602e0568ccc267ff0441fa

SHA256
012eb9d03205a15cda34dad182f61dca48afb7c0c469ee5384b5886a26cf1086

SHA512
d9b5723ad2f33f71feabaeeb0a28331398993d49a2a3fc41b59faad578d8b922a1caf0dd5a42cfb3740f2714899376b712608d29200e7272ac3598355d56948d

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