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
18s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:59

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General

Target

Prefetch/UNIVERSALADBDRIVERINSTALLER.E-B475736B.pf
Size

9KB
MD5

5d5d7e52816f8338984a20d8328eb808
SHA1

0098d661a1ed616a3ae629ff9e54558e8d1d3599
SHA256

b41b1d221295a5ad00c39c4f1d86cc5cbadd1b07794866d1da8c68b84a7d3b59
SHA512

b6afb3c23c97a87905cad4f7c38c06c12b00f33ae4a4be6dfbc7da07d041b955775c79f2a798499a7042734a75fbbbd31194b94c894ef8b4d208e8ce3e61b72a
SSDEEP

192:xuxV367CsWP3zz1eHi+EM1Y+MB5NuphnEccAxJSKUnBPkfYrAN93QubCMzNW:oxVq74PjzsCf+MnNuphnEccG4nBWYYWN

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2076	AcroRd32.exe
2076	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2512	3004	cmd.exe	29
PID 3004 wrote to memory of 2512	3004	cmd.exe	29
PID 3004 wrote to memory of 2512	3004	cmd.exe	29
PID 2512 wrote to memory of 2076	2512	rundll32.exe	30
PID 2512 wrote to memory of 2076	2512	rundll32.exe	30
PID 2512 wrote to memory of 2076	2512	rundll32.exe	30
PID 2512 wrote to memory of 2076	2512	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\UNIVERSALADBDRIVERINSTALLER.E-B475736B.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\UNIVERSALADBDRIVERINSTALLER.E-B475736B.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2512
- - 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\UNIVERSALADBDRIVERINSTALLER.E-B475736B.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2076

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
74bed10b14ac3454fceb265f5db46642

SHA1
a7b833477cc6fec54de07931595656f2ba941ca5

SHA256
e111d857474c6e0449975c17786de67ff60c82a439d7bafa53814471c3c97137

SHA512
6bdfbb0b56767f34333436f90c4c6059f84801a95c1369725bdf737e00fcb505bb40bb996dec517a29efa0617dacdf730bf48d1c9e6a0e73e0dc778d1cab4712

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