841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25/03/2024, 21:05

240325-zxdnnahe48 3

25/03/2024, 20:59

25/03/2024, 20:56

25/03/2024, 20:51

25/03/2024, 20:45

25/03/2024, 20:38

25/03/2024, 20:36

Analysis

max time kernel
31s
max time network
28s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:56

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General

Target

Prefetch/WIDGETSERVICE.EXE-BC64721C.pf
Size

12KB
MD5

7b41ce004ba2c9a17b4b0e7cfcdc06aa
SHA1

e2140e677b75f435400ca703d50b5e6ac64c379e
SHA256

8a8fef23bcef70975c376f7e69500e198ffb7cb2b50edc3d5cfe8735251f1dfe
SHA512

71f29e8229b512827eea140274db98c9a972b12b6fc2c47114f113ff9eb7c58879dac14277e4cfde7b340bf94a7d4a971368b4d5650c40fe936c34fc86de84e6
SSDEEP

384:/3JIvTz0S9sIdC4l6ju+wNI1RW6Im5eJBC7z7HxJjGcwR:/CvTz0S9sIdrlku+kIeRSeJczeV

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	AcroRd32.exe
2032	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1288	1776	cmd.exe	31
PID 1776 wrote to memory of 1288	1776	cmd.exe	31
PID 1776 wrote to memory of 1288	1776	cmd.exe	31
PID 1288 wrote to memory of 2032	1288	rundll32.exe	32
PID 1288 wrote to memory of 2032	1288	rundll32.exe	32
PID 1288 wrote to memory of 2032	1288	rundll32.exe	32
PID 1288 wrote to memory of 2032	1288	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WIDGETSERVICE.EXE-BC64721C.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WIDGETSERVICE.EXE-BC64721C.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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\Prefetch\WIDGETSERVICE.EXE-BC64721C.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2032

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
27121ee519bb4a2070c48660daf6b6a7

SHA1
482474dcc19004729a3b9798e2c69cf298cf2b92

SHA256
febe59bae878730727a41701df8b93f1d28e6147037a22a870f1e3f9c8c6705e

SHA512
4a68bb371ec138920b8dc2e95f9a9e7e3b97cba7ca7658022dd5e2fa6e020bafbcab3b293535be21b7323d045d8f972de5635f289e88395a8b4724d8e7190702

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