841a98464457d2fceff8a35e6b575b1e5e0681f7232cb3c2b94c698e38960a25

Resubmissions

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
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 20:51

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General

Target

Prefetch/CMD.EXE-0BD30981.pf
Size

6KB
MD5

2ec8c2035f587418c43a88cc8fc0e5c5
SHA1

9aef28f905e795272d494646610661a1c93d7534
SHA256

ff093f5ed9b9e49002a4af3d36eca409acab58a5047318eed4f4f92bd9c461de
SHA512

b853864576d05cb233e0f31cef2850751ae83a0c7a43049dae40bde04ff497374d001f1a5d0f0d268006dfe5ed8133329887500645f7d84c2b7c94b59489c3a5
SSDEEP

192:Bwy3SRAu40kWiRiaVJeQtP7DVIdKuI+zRVNr:BTSKu4xWigareQ1P0nI+1V9

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-1-5-21-778096762-2241304387-192235952-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\.pf\ = "pf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pf_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_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-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000_CLASSES\pf_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3020	AcroRd32.exe
3020	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2880	2372	cmd.exe	29
PID 2372 wrote to memory of 2880	2372	cmd.exe	29
PID 2372 wrote to memory of 2880	2372	cmd.exe	29
PID 2880 wrote to memory of 3020	2880	rundll32.exe	30
PID 2880 wrote to memory of 3020	2880	rundll32.exe	30
PID 2880 wrote to memory of 3020	2880	rundll32.exe	30
PID 2880 wrote to memory of 3020	2880	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Prefetch\CMD.EXE-0BD30981.pf
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Prefetch\CMD.EXE-0BD30981.pf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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\CMD.EXE-0BD30981.pf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:3020

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
36daac5d3acfa4bb2794e89006b7e70b

SHA1
b44fb1e1fd6f454ad0e90a53ac6e635397c43c25

SHA256
f7f366ee39250f000bc7b890c19fa2ac77e1958b9f3dad20566fded78f2bd910

SHA512
2ad32ac5aaca6afce6a9a010b8cade3095627bbf587d020bf6c39f3ee70ab6d6efc79590ba41ac8ebc2f90dc2096c06ddbf2cd6c8a90cdf12b84d3048fca7413

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