f26803b764a54a90852b7fd274d5ced7a8a58f1715d3ab4b96900ad4f9dd0410

Analysis

max time kernel
110s
max time network
22s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 22:42

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General

Target

XWorm.V5.3.Optimized.Bin.7z
Size

29.5MB
MD5

187b25b9e02c2b5d01a70d9d1855dd7c
SHA1

d0c7d39012ad0507239a3b060ea42cc13b22eb65
SHA256

f26803b764a54a90852b7fd274d5ced7a8a58f1715d3ab4b96900ad4f9dd0410
SHA512

bea5cec59d0ebee26a71c78dc38da47a25ea7932d119868caf82b5e4bbbcecd8969abea80ad41b65352f264ced33c457a041c0d9f321c272a8f913802ee254ed
SSDEEP

786432:ILW4dBG6KKNtxT6xewFcJbnYrFWNbqjnZ5M5od:3wT6xhqRsubq15bd

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2480	AcroRd32.exe
2480	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 2860	1592	cmd.exe	31
PID 1592 wrote to memory of 2860	1592	cmd.exe	31
PID 1592 wrote to memory of 2860	1592	cmd.exe	31
PID 2860 wrote to memory of 2868	2860	rundll32.exe	32
PID 2860 wrote to memory of 2868	2860	rundll32.exe	32
PID 2860 wrote to memory of 2868	2860	rundll32.exe	32
PID 2868 wrote to memory of 2480	2868	rundll32.exe	34
PID 2868 wrote to memory of 2480	2868	rundll32.exe	34
PID 2868 wrote to memory of 2480	2868	rundll32.exe	34
PID 2868 wrote to memory of 2480	2868	rundll32.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\XWorm.V5.3.Optimized.Bin.7z
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\XWorm.V5.3.Optimized.Bin.7z
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\XWorm.V5.3.Optimized.Bin.7z
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - 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\XWorm.V5.3.Optimized.Bin.7z"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:2480

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

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Downloads

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

Filesize
3KB

MD5
758c97869d48f7406f18ac149167a24b

SHA1
7a4fb3ce8fd350c684916070f86d7fa322830813

SHA256
b5cc199c77f9eda75def3dfde3c4b0e097c8919a44eba811176ba48654369df7

SHA512
5b0faba5ee489acfc3602570787ca65ae0cc418de2e0c1d12899b2980e5a1b06d1f86ab0c5cecd76eeb8778bf4532893a37a4de1db97ce9f498f0c2e212ee29d

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