xworm | fd9e202bbc06743763e464da73aad4904e2f4840ce1ec716ebd65df8145807b9

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 17:47

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General

Target

Xy.exe
Size

279KB
MD5

26b8c8447ad993bac09e6f270c971350
SHA1

79eb2edfb98048ff5a1c299bd3a6791fd50f5c28
SHA256

fd9e202bbc06743763e464da73aad4904e2f4840ce1ec716ebd65df8145807b9
SHA512

1b67eaa1efda4a9149a29047e8a996e13d10e1d6e73f6d496075733b647a36718ac14fc0fa3de22eb1b2e66093470df18f9fae81a1f48427550633b93082834b
SSDEEP

6144:5s8L+T9Gs8uhFJuri3S6leB4eYdEQXj3PFCITdBh5SU8S9S6VeDk9:5s8aGpIMiP3SkjfFCABhoDS9S6VeDk9

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Mutex

iq4Cbvqxc9yxmDW5

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016c76-23.dat	family_xworm
behavioral1/memory/2168-24-0x0000000000B00000-0x0000000000B12000-memory.dmp	family_xworm
behavioral1/memory/1128-63-0x0000000000D30000-0x0000000000D42000-memory.dmp	family_xworm
behavioral1/memory/1740-66-0x0000000000030000-0x0000000000042000-memory.dmp	family_xworm
behavioral1/memory/376-68-0x00000000013A0000-0x00000000013B2000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe
2616	powershell.exe
2896	powershell.exe
1736	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	X.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	X.exe

Executes dropped EXE 8 IoCs

pid	Process
348	XYZ.exe
2996	Output6.exe
2168	X.exe
2388	Output6.exe
2776	X.exe
1128	svchost.exe
1740	svchost.exe
376	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1720	Xy.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	XYZ.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	X.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2840	powershell.exe
2616	powershell.exe
2896	powershell.exe
1736	powershell.exe
2168	X.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	X.exe
Token: SeDebugPrivilege	2776	X.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	2168	X.exe
Token: SeDebugPrivilege	1128	svchost.exe
Token: SeDebugPrivilege	1740	svchost.exe
Token: SeDebugPrivilege	376	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2168	X.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 348	1720	Xy.exe	30
PID 1720 wrote to memory of 348	1720	Xy.exe	30
PID 1720 wrote to memory of 348	1720	Xy.exe	30
PID 348 wrote to memory of 2996	348	XYZ.exe	31
PID 348 wrote to memory of 2996	348	XYZ.exe	31
PID 348 wrote to memory of 2996	348	XYZ.exe	31
PID 2996 wrote to memory of 2168	2996	Output6.exe	32
PID 2996 wrote to memory of 2168	2996	Output6.exe	32
PID 2996 wrote to memory of 2168	2996	Output6.exe	32
PID 348 wrote to memory of 2388	348	XYZ.exe	33
PID 348 wrote to memory of 2388	348	XYZ.exe	33
PID 348 wrote to memory of 2388	348	XYZ.exe	33
PID 2388 wrote to memory of 2776	2388	Output6.exe	34
PID 2388 wrote to memory of 2776	2388	Output6.exe	34
PID 2388 wrote to memory of 2776	2388	Output6.exe	34
PID 2168 wrote to memory of 2840	2168	X.exe	36
PID 2168 wrote to memory of 2840	2168	X.exe	36
PID 2168 wrote to memory of 2840	2168	X.exe	36
PID 2168 wrote to memory of 2616	2168	X.exe	38
PID 2168 wrote to memory of 2616	2168	X.exe	38
PID 2168 wrote to memory of 2616	2168	X.exe	38
PID 2168 wrote to memory of 2896	2168	X.exe	40
PID 2168 wrote to memory of 2896	2168	X.exe	40
PID 2168 wrote to memory of 2896	2168	X.exe	40
PID 2168 wrote to memory of 1736	2168	X.exe	42
PID 2168 wrote to memory of 1736	2168	X.exe	42
PID 2168 wrote to memory of 1736	2168	X.exe	42
PID 2168 wrote to memory of 2380	2168	X.exe	44
PID 2168 wrote to memory of 2380	2168	X.exe	44
PID 2168 wrote to memory of 2380	2168	X.exe	44
PID 1056 wrote to memory of 1128	1056	taskeng.exe	48
PID 1056 wrote to memory of 1128	1056	taskeng.exe	48
PID 1056 wrote to memory of 1128	1056	taskeng.exe	48
PID 1056 wrote to memory of 1740	1056	taskeng.exe	49
PID 1056 wrote to memory of 1740	1056	taskeng.exe	49
PID 1056 wrote to memory of 1740	1056	taskeng.exe	49
PID 1056 wrote to memory of 376	1056	taskeng.exe	50
PID 1056 wrote to memory of 376	1056	taskeng.exe	50
PID 1056 wrote to memory of 376	1056	taskeng.exe	50

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Xy.exe
"C:\Users\Admin\AppData\Local\Temp\Xy.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\XYZ.exe
  "C:\Users\Admin\AppData\Local\Temp\XYZ.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2168
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\X.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2840
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'X.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2616
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2896
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1736
    - - C:\Windows\System32\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2380
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:2776

C:\Windows\system32\taskeng.exe
taskeng.exe {B8A79EA1-2545-4864-B90A-8C501971BE05} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1128
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1740
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe

Filesize
63KB

MD5
cd2ddcd6277870bf932c2ce7ceb6a751

SHA1
6b59512eeb05ca9ed7678dd22c3cf7bc5de73081

SHA256
a7054a1884840849875f337bda0597c9202b48a21fa3a5dd9b2aa10ff7f5c7c0

SHA512
41aed4d60838e507c58ecd83ff4e125381b0aac473bfb05f81562be83dcad051a3ba7cb2db90b2a29d72fa826dd3f734cbb7feb230969d1436d4cc19816a2c98

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.exe

Filesize
44KB

MD5
d8dec448ddbb0749bbe3f4259c9bc29b

SHA1
93886a2b1c55fa6ff41ac5bce6945e601d355f8c

SHA256
56ef629323495497970ffe5efd4c3197bd8043825ba264b9e6294113675820ac

SHA512
20739296d87d15b801086a8e7478875722e83dc1fd4004e9905a1c6f8c0c8913644bcf7e5b7aecb760f4870354118fc10d218f952fcd7b204c1f0ebae4e4a400

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JPJPAC7EAT18OLCL61UT.temp

Filesize
7KB

MD5
39182111feb6d4e5ce2fe737b16b703c

SHA1
5374cd3897c0db168f5816fc4a84b5a4b2e0d585

SHA256
fd6ff57dfc9b957b1c5cf2128835b15d5be567c3c264c3ce0ca42592a9b11aff

SHA512
f2c5a0db28fa92c40f5a9fb37459639d094b8c6e609d71ea7d3d9191aba3c559c97d5c765cbc4301d81915cb232cab57d173b8c358736d8c514090c4d210ee17

Download Submit
\Users\Admin\AppData\Local\Temp\XYZ.exe

Filesize
216KB

MD5
1e50acd16fd12d227a15e0a39d99ed93

SHA1
9814bab112a7d370d282d2a22e9867f938db37ca

SHA256
c4527dff7cfbd4b73509c0617dc8573a2d410298eadfdf5d4913a8b24aa290e8

SHA512
7454f284b93c779c9bc6b9a1454abf444a789ba5a6737eb15494b369ca69beca4197f5984672b07721210ed6e864fd31ce48ae4ea215b4cb69189918c3acaad9

Download Submit
memory/376-68-0x00000000013A0000-0x00000000013B2000-memory.dmp

Filesize
72KB

Download
memory/1128-63-0x0000000000D30000-0x0000000000D42000-memory.dmp

Filesize
72KB

Download
memory/1720-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

Filesize
4KB

Download
memory/1720-3-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/1720-1-0x0000000000C40000-0x0000000000C8E000-memory.dmp

Filesize
312KB

Download
memory/1720-16-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/1720-2-0x00000000001C0000-0x00000000001FC000-memory.dmp

Filesize
240KB

Download
memory/1740-66-0x0000000000030000-0x0000000000042000-memory.dmp

Filesize
72KB

Download
memory/2168-24-0x0000000000B00000-0x0000000000B12000-memory.dmp

Filesize
72KB

Download
memory/2388-27-0x0000000001390000-0x00000000013A4000-memory.dmp

Filesize
80KB

Download
memory/2616-42-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2616-43-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2840-35-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/2840-36-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

Filesize
32KB

Download
memory/2996-17-0x0000000000D50000-0x0000000000D64000-memory.dmp

Filesize
80KB

Download
memory/2996-25-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2996-19-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download