841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

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25/03/2024, 21:05

240325-zxdnnahe48 3

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25/03/2024, 20:36

Analysis

max time kernel
18s
max time network
16s
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/ADB.EXE-CE29CA6E.pf
Size

4KB
MD5

5338d03f384703a8b22cec5119537968
SHA1

051e27b9e17661387dfe83316750e4ec41fe7182
SHA256

21f7afc88bf4652a4ea8adeda41085d3da6c71ea292cbfc09611f77cd0fb08a5
SHA512

1d0d636541a51dd286c0902c73491943949543ac8a40b5770cfa9acd6ed5aded77c40e517c815f55fb7ea65aa4f7a2fc122b8982d73c3094deb294ae007c146c
SSDEEP

96:JBdrBPKtpW95HEtAZR1u0FPSWpdC5VMptQV1ZXKdcZf32G:FrB/DEeZDLBSWvCcptxmZfd

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
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\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
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2576	2368	cmd.exe	29
PID 2368 wrote to memory of 2576	2368	cmd.exe	29
PID 2368 wrote to memory of 2576	2368	cmd.exe	29
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\ADB.EXE-CE29CA6E.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\ADB.EXE-CE29CA6E.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\ADB.EXE-CE29CA6E.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2572

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
ccce8eeb8876c0520cc7953a37d1afea

SHA1
7e771fe89fbe57947141df8c1f9b1a6e3bfd1b36

SHA256
fa9e7966df612276c17294c65bf49a8454429ed157adb53449dfac4cbb74aaa5

SHA512
e615b626bd22e80420a467040d45034af74540f5a1f907c969e1b0eef2dc9a367c50473f4cfba74f9ca7984ea0ab972c961d811d0152f9c12a9e9e6b0c367b47

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