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
18s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 21:05

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General

Target

Prefetch/SVCHOST.EXE-AE1E0CAD.pf
Size

7KB
MD5

bf4f34f18b06594fd47d3f49ac96fc19
SHA1

611a05483487c80736ebd09fe08b3be35a04c4e7
SHA256

3760d6c0ca0e4d6ce72bb9acfe65a59c2d5bca677db9c2ee57956ea0772bbb9a
SHA512

9ee28603e14e670b67ae7e4cb010af447565668187ffdba479b01ba450a4a04db61ceadf533bec5c37c97839bdd54fae03a1ba1dda160c6aa19581c76c03393e
SSDEEP

96:cVdGDfcabtx8D9tw2ddXgy5mmX+5+0dgtmG9wSpIX8tps9/FwA94luXIUGXgExVd:tfc1Ngyomy+06sWwmtpsRF9qXpxKAJ

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-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000_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
2584	AcroRd32.exe
2584	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 2644	1336	cmd.exe	29
PID 1336 wrote to memory of 2644	1336	cmd.exe	29
PID 1336 wrote to memory of 2644	1336	cmd.exe	29
PID 2644 wrote to memory of 2584	2644	rundll32.exe	30
PID 2644 wrote to memory of 2584	2644	rundll32.exe	30
PID 2644 wrote to memory of 2584	2644	rundll32.exe	30
PID 2644 wrote to memory of 2584	2644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\SVCHOST.EXE-AE1E0CAD.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\SVCHOST.EXE-AE1E0CAD.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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\SVCHOST.EXE-AE1E0CAD.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2584

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
27fe8332b5e6df4d6769de166ae02ad5

SHA1
ea0911a32a210941eac0f50550cb2b83e9590722

SHA256
a8dea69815fdef4d7a2384f37e57a67a529b8452e99b435df38278875e0c35c5

SHA512
e11454495ec48db9ba94f8f4532c1e8bc6c702246d9fe14fea364397bda2c8e7466b0d6c33d66aba3f4cdbf7466e17a8ee72b95eb99d464823542b2732aca36d

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