xworm | bfa5740f028a8f310ca01c779bbc5f2f1b435c41539c54de592f715bb0c10389

Analysis

user interaction
yes
max time kernel
148s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 06:39

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General

Target
vlc.exe
Size 1021KB
Sample260731-he25vsec35
SHA256 bfa5740f028a8f310ca01c779bbc5f2f1b435c41539c54de592f715bb0c10389
MD5 f0a4d5c3492115bfe2f346bc7bdce396
SHA1 bfcbdc7d0cbb92b68d348090fe9f381b4358a587
SHA512 8e4b2e1852fbc821cab4a7c16675afbfa2588472faa1848600829c415bfbee7cbf4713568ba15a76916e6c761d79b0fff7c5a1ae087aabd912bb7063d38a560a
SSDEEP 24576:uGKuKkPztKt9cHPrLRAqKBAy1N1UGAmnnnFnnnZnnnGnnnsddodt:uGKuKkPzgt9cHTLRAqK81k8
TLSH
T1A9254B1BE7A345EDC56FC13487A7C772AA30B86942347E2E1D95DB221F10E609F2E724
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

XWorm V6.5 by c3lestial.fun

51.79.196.115:6000

Mutex

iFkUP8sLAVIdXiYW

Attributes

install_file
USB.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral4/memory/4864-44-0x00007FFAE6120000-0x00007FFAE6134000-memory.dmp	family_xworm
behavioral4/memory/4864-47-0x0000019562020000-0x000001956202E000-memory.dmp	family_xworm

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\sv2lqbkumcbs5d = "C:\\Users\\Admin\\AppData\\Local\\Temp\\vlc.exe"	reg.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1484	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
784	vlc.exe

Loads dropped DLL 1 IoCs

pid	Process
4864	vlc.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4124	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4864	vlc.exe
4864	vlc.exe
784	vlc.exe
784	vlc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	vlc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4124	4864	vlc.exe	89
PID 4124 wrote to memory of 4592	4124	cmd.exe	91
PID 4864 wrote to memory of 1484	4864	vlc.exe	92
PID 1484 wrote to memory of 4488	1484	cmd.exe	94
PID 1484 wrote to memory of 4736	1484	cmd.exe	95
PID 1484 wrote to memory of 4596	1484	cmd.exe	96

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4488	attrib.exe
4736	attrib.exe

C:\Users\Admin\AppData\Local\Temp\vlc.exe
"C:\Users\Admin\AppData\Local\Temp\vlc.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d" >nul 2>&1
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4124
- - C:\Windows\system32\reg.exe
    reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d"
    3⤵
    PID:4592
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c attrib +H +S "C:\Users\Admin\AppData\Local\Temp\vlc.exe" & attrib +H +S "C:\Users\Admin\AppData\Local\Temp" & reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vlc.exe" /f
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\system32\attrib.exe
    attrib +H +S "C:\Users\Admin\AppData\Local\Temp\vlc.exe"
    3⤵
    - Views/modifies file attributes
    PID:4488
- - C:\Windows\system32\attrib.exe
    attrib +H +S "C:\Users\Admin\AppData\Local\Temp"
    3⤵
    - Views/modifies file attributes
    PID:4736
- - C:\Windows\system32\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\vlc.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4596

C:\Users\Admin\AppData\Local\Temp\vlc.exe
C:\Users\Admin\AppData\Local\Temp\vlc.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:784

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

vlc.exe

Path C:\Users\Admin\AppData\Local\Temp\vlc.exe
Size 1021KB
SHA256 bfa5740f028a8f310ca01c779bbc5f2f1b435c41539c54de592f715bb0c10389
MD5 f0a4d5c3492115bfe2f346bc7bdce396
SHA1 bfcbdc7d0cbb92b68d348090fe9f381b4358a587
SHA512 8e4b2e1852fbc821cab4a7c16675afbfa2588472faa1848600829c415bfbee7cbf4713568ba15a76916e6c761d79b0fff7c5a1ae087aabd912bb7063d38a560a
SSDEEP 24576:uGKuKkPztKt9cHPrLRAqKBAy1N1UGAmnnnFnnnZnnnGnnnsddodt:uGKuKkPzgt9cHTLRAqK81k8
TLSH
T1A9254B1BE7A345EDC56FC13487A7C772AA30B86942347E2E1D95DB221F10E609F2E724
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xsknkc.dll

Path C:\Users\Admin\AppData\Local\Temp\xsknkc.dll
Size 77KB
SHA256 bc5db40af28dbb812d545f7bec4ce56ad9f61307fd023ddf34488d222e62b679
MD5 a37b4a40da768a89e83a2c4d6f7a98f6
SHA1 74df1526ee711697dc077f8b5c0b32d9dad37a0b
SHA512 51620a70b580a0feda9fd93e240c0318b829ec2c0f9791d8661540a1e03ac6a4f2e5d04326e2b93681ad559b38eb69b6360e1e594ebc78e8fb7443ad511dac5c
SSDEEP 3:Gltl9lelqWtOmltlPltlls/lHl5vxGJ/llblllFllNllFll1llAU9dklhtlltFy:yuMWkm1c/mSU8le
TLSH
T124731213851004B0C10C063486034D00570CDE8070C717030773575B9C2C300DD76D00
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/784-55-0x00007FF7F5090000-0x00007FF7F5193000-memory.dmp

Download

memory/784-51-0x00007FFAF2830000-0x00007FFAF2BD1000-memory.dmp

Download

memory/784-52-0x00007FFAF2BE0000-0x00007FFAF2CA7000-memory.dmp

Download

memory/4864-45-0x00007FFAD98C0000-0x00007FFAD9A0C000-memory.dmp

Download

memory/4864-0-0x00007FFAD98F2000-0x00007FFAD98F3000-memory.dmp

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memory/4864-47-0x0000019562020000-0x000001956202E000-memory.dmp

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memory/4864-46-0x00007FFAE3F40000-0x00007FFAE3F5D000-memory.dmp

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memory/4864-48-0x00007FFAD98C0000-0x00007FFAD9A0C000-memory.dmp

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memory/4864-44-0x00007FFAE6120000-0x00007FFAE6134000-memory.dmp

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memory/4864-3-0x00007FF7F5090000-0x00007FF7F5193000-memory.dmp

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memory/4864-1-0x00007FFAF2830000-0x00007FFAF2BD1000-memory.dmp

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memory/4864-53-0x00007FFAD98C0000-0x00007FFAD9A0C000-memory.dmp

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memory/4864-2-0x00007FFAF2BE0000-0x00007FFAF2CA7000-memory.dmp

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