xworm | fd9e202bbc06743763e464da73aad4904e2f4840ce1ec716ebd65df8145807b9

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000023bbc-29.dat	family_xworm
behavioral2/memory/3160-38-0x0000000000C50000-0x0000000000C62000-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
4256	powershell.exe
4080	powershell.exe
3456	powershell.exe
116	powershell.exe

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	Output6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	X.exe
Key value queried	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	Xy.exe
Key value queried	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	Output6.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 8 IoCs

pid	Process
3580	XYZ.exe
1540	Output6.exe
3160	X.exe
4000	Output6.exe
3384	X.exe
2588	svchost.exe
4080	svchost.exe
4984	svchost.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\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	X.exe
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

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
3252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
116	powershell.exe
116	powershell.exe
4256	powershell.exe
4256	powershell.exe
4080	powershell.exe
4080	powershell.exe
3456	powershell.exe
3456	powershell.exe
3160	X.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	X.exe
Token: SeDebugPrivilege	3384	X.exe
Token: SeDebugPrivilege	116	powershell.exe
Token: SeDebugPrivilege	4256	powershell.exe
Token: SeDebugPrivilege	4080	powershell.exe
Token: SeDebugPrivilege	3456	powershell.exe
Token: SeDebugPrivilege	3160	X.exe
Token: SeDebugPrivilege	2588	svchost.exe
Token: SeDebugPrivilege	4080	svchost.exe
Token: SeDebugPrivilege	4984	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3160	X.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 3580	760	Xy.exe	87
PID 760 wrote to memory of 3580	760	Xy.exe	87
PID 3580 wrote to memory of 1540	3580	XYZ.exe	88
PID 3580 wrote to memory of 1540	3580	XYZ.exe	88
PID 1540 wrote to memory of 3160	1540	Output6.exe	89
PID 1540 wrote to memory of 3160	1540	Output6.exe	89
PID 3580 wrote to memory of 4000	3580	XYZ.exe	90
PID 3580 wrote to memory of 4000	3580	XYZ.exe	90
PID 4000 wrote to memory of 3384	4000	Output6.exe	91
PID 4000 wrote to memory of 3384	4000	Output6.exe	91
PID 3160 wrote to memory of 116	3160	X.exe	92
PID 3160 wrote to memory of 116	3160	X.exe	92
PID 3160 wrote to memory of 4256	3160	X.exe	94
PID 3160 wrote to memory of 4256	3160	X.exe	94
PID 3160 wrote to memory of 4080	3160	X.exe	96
PID 3160 wrote to memory of 4080	3160	X.exe	96
PID 3160 wrote to memory of 3456	3160	X.exe	98
PID 3160 wrote to memory of 3456	3160	X.exe	98
PID 3160 wrote to memory of 3252	3160	X.exe	102
PID 3160 wrote to memory of 3252	3160	X.exe	102

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:760
- 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:3580
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1540
  - - C:\Users\Admin\AppData\Local\Temp\X.exe
      "C:\Users\Admin\AppData\Local\Temp\X.exe"
      4⤵
      Checks computer location settings
      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:3160
    - - 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:116
    - - 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:4256
    - - 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:4080
    - - 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:3456
    - - 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:3252
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Output6.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4000
  - - 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:3384

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2588

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4080

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4984

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\Microsoft\CLR_v4.0\UsageLogs\Output6.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
50d3033f2bc3a3774c469d03e71a79a9

SHA1
22027b1d52085de99b3bffa276530fea5d961471

SHA256
2987e99ec7fa17bd4ab7de3cb4dc62645e1052012a5a357904d6fc6db9054147

SHA512
ecf7ab1a9e4192454a3e24c60453fd702a8c648e00078fc933b9182f4a3d3c10c6f5da622a5729b35727e6ddc8837029caddcaf76f56e805b9744253b56da5d8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
da5c82b0e070047f7377042d08093ff4

SHA1
89d05987cd60828cca516c5c40c18935c35e8bd3

SHA256
77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

SHA512
7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

Download Submit
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\Local\Temp\XYZ.exe

Filesize
216KB

MD5
1e50acd16fd12d227a15e0a39d99ed93

SHA1
9814bab112a7d370d282d2a22e9867f938db37ca

SHA256
c4527dff7cfbd4b73509c0617dc8573a2d410298eadfdf5d4913a8b24aa290e8

SHA512
7454f284b93c779c9bc6b9a1454abf444a789ba5a6737eb15494b369ca69beca4197f5984672b07721210ed6e864fd31ce48ae4ea215b4cb69189918c3acaad9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3cfxwkex.r2g.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/116-50-0x0000018CA5EF0000-0x0000018CA5F12000-memory.dmp

Filesize
136KB

Download
memory/760-23-0x00007FFEE6DB0000-0x00007FFEE7871000-memory.dmp

Filesize
10.8MB

Download
memory/760-0-0x00007FFEE6DB3000-0x00007FFEE6DB5000-memory.dmp

Filesize
8KB

Download
memory/760-4-0x00007FFEE6DB0000-0x00007FFEE7871000-memory.dmp

Filesize
10.8MB

Download
memory/760-2-0x00000000026F0000-0x000000000272C000-memory.dmp

Filesize
240KB

Download
memory/760-1-0x0000000000560000-0x00000000005AE000-memory.dmp

Filesize
312KB

Download
memory/1540-25-0x00007FFEE6DB0000-0x00007FFEE7871000-memory.dmp

Filesize
10.8MB

Download
memory/1540-37-0x00007FFEE6DB0000-0x00007FFEE7871000-memory.dmp

Filesize
10.8MB

Download
memory/1540-22-0x0000000000D70000-0x0000000000D84000-memory.dmp

Filesize
80KB

Download
memory/3160-38-0x0000000000C50000-0x0000000000C62000-memory.dmp

Filesize
72KB

Download