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
18s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:36

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General

Target

Prefetch/54449E3A-7D48-4A3B-8938-6F0AC-DA408979.pf
Size

32KB
MD5

a95e40c651a7a0c5c58b849bb9208afa
SHA1

47402ef1ba20944fdef2c95a4fdce811cfef4f4f
SHA256

92e9118cce4d45634e34e7833976eb1240c30f17b07360ecd81ef99af93c5e91
SHA512

03e727cab9a3a1729a3f1f14724d601a15702bd3f15d81bf4e1fcd31fad5cc253fced340cb9b73920199e1654accf70a577f9bd59257faaa42bdbaa7a1559e79
SSDEEP

768:XTyCNiE5vRH9MYJpwqfffH1Jzuia3zhAXj:XWC8o9tJp11QLzC

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2536	3012	cmd.exe	29
PID 3012 wrote to memory of 2536	3012	cmd.exe	29
PID 3012 wrote to memory of 2536	3012	cmd.exe	29
PID 2536 wrote to memory of 2404	2536	rundll32.exe	30
PID 2536 wrote to memory of 2404	2536	rundll32.exe	30
PID 2536 wrote to memory of 2404	2536	rundll32.exe	30
PID 2536 wrote to memory of 2404	2536	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\54449E3A-7D48-4A3B-8938-6F0AC-DA408979.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\54449E3A-7D48-4A3B-8938-6F0AC-DA408979.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2536
- - 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\54449E3A-7D48-4A3B-8938-6F0AC-DA408979.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2404

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
9edbcee6db5bd03ab17b31e18a9869fc

SHA1
f9e7b10742de74b7b9511aaf8d29f93927076f0b

SHA256
1b67793a654eacbd0ba5a33609be6f3941f0ff302af18a05843db151d10f6cb9

SHA512
cb863e87c4a0d6953daf3d391274981de61817f7374769f0c15de6bc8a2970bb81922157ff4101cb15e4da1c9a847c288e7a1a1731b91dd1705b7ba104350c99

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