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
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:56

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General

Target

Prefetch/WINDOWSSANDBOX.EXE-7A490427.pf
Size

6KB
MD5

4afae75204bb6c41f856736d6057a59e
SHA1

73d29ab42df86bffcf84309ae582f9744ea50229
SHA256

435339d12b89c6c1fbd280738b0146e6dd3bc6fbfdb79220f70f9619990053a2
SHA512

432572823c7e34943bb3637f475fcfdd1388d359c4528a2a55f7773e89b83c83e3d541d1829158a9576b4fbdf7ee72b18d9f5949c61880c3b24feb8a807ba600
SSDEEP

192:3vlilLKbPtWP4XkNnngusHTEkFCGvy91+t:NuIly4XWap07+t

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pf_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2908	AcroRd32.exe
2908	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2632	2956	cmd.exe	29
PID 2956 wrote to memory of 2632	2956	cmd.exe	29
PID 2956 wrote to memory of 2632	2956	cmd.exe	29
PID 2632 wrote to memory of 2908	2632	rundll32.exe	30
PID 2632 wrote to memory of 2908	2632	rundll32.exe	30
PID 2632 wrote to memory of 2908	2632	rundll32.exe	30
PID 2632 wrote to memory of 2908	2632	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSSANDBOX.EXE-7A490427.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\WINDOWSSANDBOX.EXE-7A490427.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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\WINDOWSSANDBOX.EXE-7A490427.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2908

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
7dc3d92cdde166bd37bdca56f2161ab0

SHA1
2f857f3c72e4389f4c03bf534d942546836afaf1

SHA256
f64efaaaadd6ba46e061d7c1984273153f35db03e3bec2a33fabaa132f8ce935

SHA512
0443ebad1018db9830673ab145591819986a0b52e3df975477d10ccd045208940985ff715924b5274e47ebf0d07d34bf1233e74120937c72659ca505957e8c34

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