ee0b405b3e166fa9c1062ac6bed228b4ca7f990ce2dc62305d15ae4b3e6e35f1

Analysis

max time kernel
721s
max time network
729s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-02-2025 00:38

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General

Target

RES/XWorm.Ransomware.resources
Size

101KB
MD5

c653b8b3f18eb2a2882c2f3905b2380a
SHA1

62235a88bc833fe7a41c9da2e5766306a026e144
SHA256

bcea581804fc0d0e1d66c76a47f9b7bd40b81578bff0241bb4155a0c67486a46
SHA512

a01927f5a4f3b1d838919074c42125d60d6e50af3e876bf614f0dd264627234973ba4b642f30040332c328587340be82f6057a5130baa0d79851fede67069a4c
SSDEEP

384:r0vwtokwOdwq6upS9LvgUuYkYezHbMTb7+JZf5NXJAdDzMwA6jp:Y9XuYkYez67+JZ58zf

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2688	AcroRd32.exe
2688	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2884	2604	cmd.exe	30
PID 2604 wrote to memory of 2884	2604	cmd.exe	30
PID 2604 wrote to memory of 2884	2604	cmd.exe	30
PID 2884 wrote to memory of 2688	2884	rundll32.exe	31
PID 2884 wrote to memory of 2688	2884	rundll32.exe	31
PID 2884 wrote to memory of 2688	2884	rundll32.exe	31
PID 2884 wrote to memory of 2688	2884	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RES\XWorm.Ransomware.resources
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RES\XWorm.Ransomware.resources
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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\RES\XWorm.Ransomware.resources"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
8d0c59859fa0cadf634cef64b209e3bc

SHA1
686f3de3d81f60150a1bef71204aab13b9d3b979

SHA256
ec9c3950e8200178269b45a37d64257dae284220ae3bb00b2c36c29c9415eaa5

SHA512
bf817522a06ded0c661bd0ead59026c70f948b3591b71f5e707534352d6994b03eada9290ce0fb79a5c64e7ed7b46acf0087ab97659b8f9041214fb04100d4bc

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