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, 20:36

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Report Analysis Logs

General

Target

Prefetch/AESM_SERVICE.EXE-85691CD5.pf
Size

8KB
MD5

3b714e130a2eb5a43b2aea4100fd0ef7
SHA1

9dc76d0ccace1b374651c86b008393e7c4ba359e
SHA256

028b64fd5c6d741b38be316243bc4789b565aaf46023316c085888816f74a907
SHA512

e4f2710c5f455e74dc220a40a180e26b982410bf5cc1d0f4038bea2f731b6089ff910b2de5fec3a49984ef6755aad19da01ccba92b3e450407b1b3ee949de10f
SSDEEP

192:z68oTB/DnoqV7aNOU7tm+kBBGk+enA9p6DBG8qUue9Kmgm:zETB7j2NO0tmck+e46tpqdehp

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\ = "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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pf_auto_file\shell\Read\command	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\pf_auto_file	rundll32.exe
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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pf	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3000	AcroRd32.exe
3000	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2664	1924	cmd.exe	29
PID 1924 wrote to memory of 2664	1924	cmd.exe	29
PID 1924 wrote to memory of 2664	1924	cmd.exe	29
PID 2664 wrote to memory of 3000	2664	rundll32.exe	30
PID 2664 wrote to memory of 3000	2664	rundll32.exe	30
PID 2664 wrote to memory of 3000	2664	rundll32.exe	30
PID 2664 wrote to memory of 3000	2664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\AESM_SERVICE.EXE-85691CD5.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\AESM_SERVICE.EXE-85691CD5.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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\AESM_SERVICE.EXE-85691CD5.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3000

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
c049ad1f0adc159c8b30ed5b7c3c0ebe

SHA1
552963e5f5bb9e24e3dbe12c3af9b2cdeb069d3f

SHA256
8e319cb8a151baebeeda10fa1505b22c7a8c3ce6d96020a29a9528bd809166e9

SHA512
048e2598c7d2bd3e44532233eed9662e9df92ca88996d90ea635bb7a7cc60af6676e6d7ea53a7db593f2d50afe3e05f67d707aa204e0c63252c0e3bafba4077e

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