e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Resubmissions

07-07-2024 12:33

240707-prjydasclk 3

Analysis

max time kernel
103s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07-07-2024 12:33

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General

Target

scph39001.nvm
Size

1024B
MD5

0639a9ff5f5f3fd7833b924b9d97a8ae
SHA1

219647cab29e4f702c36ec08d183404161c26265
SHA256

20ea5a0b33828c8312034e1436e4e3d6d5635866feeadabc742cab512aeba5dc
SHA512

7dc886ba5362dab044c682712414058f195847ed87ed1ed61387f98c65758f36e6a043f9de1a73c19f5ac197b821684a88dafdcfbc9ec491179efa8f0e9213ac

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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.nvm	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.nvm\ = "nvm_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\nvm_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3040	AcroRd32.exe
3040	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2848	1512	cmd.exe	31
PID 1512 wrote to memory of 2848	1512	cmd.exe	31
PID 1512 wrote to memory of 2848	1512	cmd.exe	31
PID 2848 wrote to memory of 3040	2848	rundll32.exe	32
PID 2848 wrote to memory of 3040	2848	rundll32.exe	32
PID 2848 wrote to memory of 3040	2848	rundll32.exe	32
PID 2848 wrote to memory of 3040	2848	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scph39001.nvm
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\scph39001.nvm
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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\scph39001.nvm"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3040

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
16d71d1c2cc882f5b6b836add997d2db

SHA1
1f5b335dc01d47c0c6b6f0c670d63dafdcc0a8ec

SHA256
2c0e3d0d7b04349833f83ae3ff4b730238d1eee9a8ea69c796d585eb58608551

SHA512
ac33ab98ea0a3a923610db3d3483c1822837b481f10cc0485f5c02104dd77d8260317d8c33ae7905283340830b8fe46d6f8878c2a7ca57b15d0aa660e218cc3c

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