xworm | 2916de0bf4123a26386578169f012b2e76fd2ee7014ca9f5cd40efe65c9e8102

Analysis

user interaction
yes
max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 06:39

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General

Target
libvlc.dll
Size 1.2MB
Sample260731-he25vsec35
SHA256 2916de0bf4123a26386578169f012b2e76fd2ee7014ca9f5cd40efe65c9e8102
MD5 cc252dd8bbb8ec946894662245939e9d
SHA1 728cd4c1ed7f625399abcf77f2e6263ae36a4995
SHA512 aedece362df6a5625907f9e00fca5fa8eafde95c890320a39a642adcc152e72bd1555ed33590becf0948170b932ec54ec7eda0a97e37b07173f874a52532a9b4
SSDEEP 12288:cYx04hHU2VtxGardthvDDnoap6KOrrDnk9TQ1sOox2r4m82ljM8zVwWrrg:Tx04hHUoFlfsfuTQyOJrr82VdzVwd
TLSH
T1EC55BF43DB1264F6CDABC7B5435B815AC622355A03E629BB02789BFCE622705773EF10
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
behavioral2/memory/1324-42-0x00007FFDD5710000-0x00007FFDD5724000-memory.dmp	family_xworm
behavioral2/memory/1324-45-0x000002AA89BE0000-0x000002AA89BEE000-memory.dmp	family_xworm

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
6	1324	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1324	rundll32.exe

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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\sv2lqbkumcbs5d = "C:\\Windows\\system32\\rundll32.exe"	reg.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\rundll32.exe	attrib.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1096	cmd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32	attrib.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
2728	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1324	rundll32.exe
1324	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 2728	1324	rundll32.exe	88
PID 2728 wrote to memory of 240	2728	cmd.exe	90
PID 1324 wrote to memory of 1096	1324	rundll32.exe	91
PID 1096 wrote to memory of 4124	1096	cmd.exe	93
PID 1096 wrote to memory of 4544	1096	cmd.exe	94
PID 1096 wrote to memory of 4348	1096	cmd.exe	95

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4124	attrib.exe
4544	attrib.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libvlc.dll,#1
1⤵
- Badlisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- 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:2728
- - C:\Windows\system32\reg.exe
    reg query "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d"
    3⤵
    PID:240
- C:\Windows\system32\cmd.exe
  cmd.exe /c attrib +H +S "C:\Windows\system32\rundll32.exe" & attrib +H +S "C:\Windows\system32" & reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d" /t REG_SZ /d "C:\Windows\system32\rundll32.exe" /f
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\system32\attrib.exe
    attrib +H +S "C:\Windows\system32\rundll32.exe"
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:4124
- - C:\Windows\system32\attrib.exe
    attrib +H +S "C:\Windows\system32"
    3⤵
    - Drops file in Windows directory
    - Views/modifies file attributes
    PID:4544
- - C:\Windows\system32\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "sv2lqbkumcbs5d" /t REG_SZ /d "C:\Windows\system32\rundll32.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4348

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe
1⤵
PID:6092

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

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

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memory/1324-47-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-49-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-42-0x00007FFDD5710000-0x00007FFDD5724000-memory.dmp

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memory/1324-43-0x00007FFDBCE5F000-0x00007FFDBCE60000-memory.dmp

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memory/1324-45-0x000002AA89BE0000-0x000002AA89BEE000-memory.dmp

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memory/1324-44-0x00007FFDD3C50000-0x00007FFDD3C6D000-memory.dmp

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memory/1324-0-0x00007FFDDCE60000-0x00007FFDDD201000-memory.dmp

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memory/1324-46-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-48-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-1-0x00007FFDDDAE0000-0x00007FFDDDBA7000-memory.dmp

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memory/1324-50-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-51-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-52-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-53-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-54-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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memory/1324-55-0x00007FFDBCCD0000-0x00007FFDBD674000-memory.dmp

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