e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29/06/2024, 15:49

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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
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.nvm\ = "nvm_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\nvm_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\nvm_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\nvm_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.nvm	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\nvm_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\nvm_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1640	1992	cmd.exe	29
PID 1992 wrote to memory of 1640	1992	cmd.exe	29
PID 1992 wrote to memory of 1640	1992	cmd.exe	29
PID 1640 wrote to memory of 2656	1640	rundll32.exe	30
PID 1640 wrote to memory of 2656	1640	rundll32.exe	30
PID 1640 wrote to memory of 2656	1640	rundll32.exe	30
PID 1640 wrote to memory of 2656	1640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scph39001.nvm
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- 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:1640
- - 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:2656

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
f737d4ea538770c93fdab5d4b6bd84b9

SHA1
e9ed1a7b6c696f39782f32c26a23515faa6fc347

SHA256
bac98964722c79d94d2c8d2886e4a7e33ba645687214add17c56d7206013a619

SHA512
24472f087d842743adad5d05289ff910593fb423d383a36c59fa309b3dcb30b5dbacd37f0919088fbc971471272e24e8aee48a824e69e30c0f5bdb0ed2d61a98

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