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
26s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:45

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General

Target

Prefetch/CONSENT.EXE-40419367.pf
Size

47KB
MD5

5bf2115dc8d3b729c5829874d5d8cb59
SHA1

f9a56d5cf85b67f84f4217c93fad6f48d9813202
SHA256

2b4056595a0cee651479270c2e09cd47ebba9124336c577ddd3b0c782afc48b2
SHA512

ce6d130a05aa1fa428f444ab3f156834a401e4f9029d6ba7a31f26f2dcfb532393acc19411b2cfafea7ff0bc29d5748d527d3d157623c35424f1362fc6bd15f8
SSDEEP

768:lwPFCp5xpgP+Qfx6tRRwCxWjoeT1glONlNNjBR3BUa+rJ9Fe:EFCHjxWt4uPR3BUlvFe

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pf	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CONSENT.EXE-40419367.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CONSENT.EXE-40419367.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\CONSENT.EXE-40419367.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2920

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
13d399264648c3dcc758bafcbd2671b9

SHA1
ca6d4b0c5b33504c613e6a949434341f3985b513

SHA256
3b0d78fd92ee5f967697c391c95e62fa68b60a19322126dd6b0179b29a9c42f6

SHA512
646ebedbe2470882d51ff10717fe66cdf57db24685cbada58ad07ff6c976e904d950453849930b1f7882eb77552fb4d03584d63b437b50a1004b53576dd3fcdf

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