xworm | c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
17-11-2024 06:52

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General

Target

Api-AutoUpdaterV2.exe
Size

87KB
MD5

9f9e3e562c3ace91fd36c7d9b49c56a7
SHA1

32317350629c0591b49726ad71ab49e12b208918
SHA256

c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971
SHA512

8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d
SSDEEP

1536:CLVnqRcrCwNlhr/CbCRSCpv1ZLFNxdlub5mUnaC9UWGIiEdrRFbw0I5oKV+Uq4Q3:CslcCbCRBnFNblub5mUavWGAfFbwVVTQ

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

job-moore.gl.at.ply.gg:49404

Attributes

Install_directory
%ProgramData%
install_file
Helper.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1252-43-0x000000001C250000-0x000000001C266000-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 7 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3572	powershell.exe
3836	powershell.exe
1248	powershell.exe
3492	powershell.exe
1352	powershell.exe
1452	powershell.exe
3144	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.lnk	Api-AutoUpdaterV2.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsDefender.lnk	Api-AutoUpdaterV2.exe

Executes dropped EXE 4 IoCs

pid	Process
2936	Api-AutoUpdaterV2.exe
3868	WindowsDefender
4400	Api-AutoUpdaterV2.exe
2828	WindowsDefender

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-1-5-21-3973800497-2716210218-310192997-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefender = "C:\\ProgramData\\WindowsDefender"	Api-AutoUpdaterV2.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1500	schtasks.exe
4308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3492	powershell.exe
3492	powershell.exe
1352	powershell.exe
1352	powershell.exe
1452	powershell.exe
1452	powershell.exe
3144	powershell.exe
3144	powershell.exe
3572	powershell.exe
3572	powershell.exe
3836	powershell.exe
3836	powershell.exe
1248	powershell.exe
1248	powershell.exe
1252	Api-AutoUpdaterV2.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	Api-AutoUpdaterV2.exe
Token: SeDebugPrivilege	3492	powershell.exe
Token: SeDebugPrivilege	1352	powershell.exe
Token: SeDebugPrivilege	1452	powershell.exe
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeDebugPrivilege	3572	powershell.exe
Token: SeDebugPrivilege	3836	powershell.exe
Token: SeDebugPrivilege	1248	powershell.exe
Token: SeDebugPrivilege	1252	Api-AutoUpdaterV2.exe
Token: SeDebugPrivilege	2936	Api-AutoUpdaterV2.exe
Token: SeDebugPrivilege	3868	WindowsDefender
Token: SeDebugPrivilege	4400	Api-AutoUpdaterV2.exe
Token: SeDebugPrivilege	2828	WindowsDefender

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1252	Api-AutoUpdaterV2.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 3492	1252	Api-AutoUpdaterV2.exe	82
PID 1252 wrote to memory of 3492	1252	Api-AutoUpdaterV2.exe	82
PID 1252 wrote to memory of 1352	1252	Api-AutoUpdaterV2.exe	84
PID 1252 wrote to memory of 1352	1252	Api-AutoUpdaterV2.exe	84
PID 1252 wrote to memory of 1452	1252	Api-AutoUpdaterV2.exe	86
PID 1252 wrote to memory of 1452	1252	Api-AutoUpdaterV2.exe	86
PID 1252 wrote to memory of 1500	1252	Api-AutoUpdaterV2.exe	88
PID 1252 wrote to memory of 1500	1252	Api-AutoUpdaterV2.exe	88
PID 1252 wrote to memory of 3144	1252	Api-AutoUpdaterV2.exe	90
PID 1252 wrote to memory of 3144	1252	Api-AutoUpdaterV2.exe	90
PID 1252 wrote to memory of 3572	1252	Api-AutoUpdaterV2.exe	92
PID 1252 wrote to memory of 3572	1252	Api-AutoUpdaterV2.exe	92
PID 1252 wrote to memory of 3836	1252	Api-AutoUpdaterV2.exe	94
PID 1252 wrote to memory of 3836	1252	Api-AutoUpdaterV2.exe	94
PID 1252 wrote to memory of 1248	1252	Api-AutoUpdaterV2.exe	96
PID 1252 wrote to memory of 1248	1252	Api-AutoUpdaterV2.exe	96
PID 1252 wrote to memory of 4308	1252	Api-AutoUpdaterV2.exe	98
PID 1252 wrote to memory of 4308	1252	Api-AutoUpdaterV2.exe	98

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\Api-AutoUpdaterV2.exe
"C:\Users\Admin\AppData\Local\Temp\Api-AutoUpdaterV2.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3492
- 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\Api-AutoUpdaterV2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1352
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Api-AutoUpdaterV2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1452
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "Api-AutoUpdaterV2" /tr "C:\ProgramData\Api-AutoUpdaterV2.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1500
- 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\Api-AutoUpdaterV2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3144
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsDefender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3836
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsDefender'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1248
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WindowsDefender" /tr "C:\ProgramData\WindowsDefender"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4308

C:\ProgramData\Api-AutoUpdaterV2.exe
C:\ProgramData\Api-AutoUpdaterV2.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2936

C:\ProgramData\WindowsDefender
C:\ProgramData\WindowsDefender
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3868

C:\ProgramData\Api-AutoUpdaterV2.exe
C:\ProgramData\Api-AutoUpdaterV2.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4400

C:\ProgramData\WindowsDefender
C:\ProgramData\WindowsDefender
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2828

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:\ProgramData\Api-AutoUpdaterV2.exe

Filesize
87KB

MD5
9f9e3e562c3ace91fd36c7d9b49c56a7

SHA1
32317350629c0591b49726ad71ab49e12b208918

SHA256
c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

SHA512
8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Api-AutoUpdaterV2.exe.log

Filesize
1KB

MD5
94aaadf8fa4c31d238b961fcb2a519d5

SHA1
608175ecf723861c59796d3989fee3dfdf3bb6d2

SHA256
744cf26c0641b62c0daa1d5508613d6f1417778c242d3d79220121f70f9515b5

SHA512
574d80ffabd249da41a8c4618123aa2e88595cf3ac55b9e3e4c2dd2a3c2cee52c954119f5ed54d36941da78a4bc1963cdaa7dfdd4f19d3c1e954ced86deafecf

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

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
aa4f31835d07347297d35862c9045f4a

SHA1
83e728008935d30f98e5480fba4fbccf10cefb05

SHA256
99c83bc5c531e49d4240700142f3425aba74e18ebcc23556be32238ffde9cce0

SHA512
ec3a4bee8335007b8753ae8ac42287f2b3bcbb258f7fc3fb15c9f8d3e611cb9bf6ae2d3034953286a34f753e9ec33f7495e064bab0e8c7fcedd75d6e5eb66629

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

Filesize
944B

MD5
df808b11175970c23f00e611a7b6d2cc

SHA1
0243f099e483fcafb6838c0055982e65634b6db6

SHA256
2d5eec6aeee0c568d08cc1777a67b529dce3133efc761ef4b4643d4b2003d43d

SHA512
c7c4e39be7cb6bfda48055cd2b0b05a6b6a71131a124730f62928600a5870303e06e3db54634c45f86310413126d2524f51002d5f36f7012e41b641992b5ac89

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

Filesize
944B

MD5
c8e142ee24a77ad7f21f6a741d48c8da

SHA1
2f174ae49dd03c3b2acd2f9cb2f4e1913908e749

SHA256
e81cbecfdbc457b5d8aad1fbd1dc29ab05e6425e9921bff30089f074ddfc6961

SHA512
ea1c13f3c559afbdfd63a6ecd2ca354612c3c29c2716156d5afcafe6d3fbd0e7eca7b1f03e68f3a28c78cbea5ec430285fa699facad72fc52a37fca207999799

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

Filesize
944B

MD5
8cb7f4b4ab204cacd1af6b29c2a2042c

SHA1
244540c38e33eac05826d54282a0bfa60340d6a1

SHA256
4994013dabe4f131d401879278eee147add6349124ea6452358dca7e2344c7a6

SHA512
7651cb6863a425840db610253151e271d3e8da26a8c633ce484247266fa226792ecb84b9578df3ab17fef84a5dfcad417b63a7df59c9650a907e08d59b91dd6e

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

Filesize
944B

MD5
051a74485331f9d9f5014e58ec71566c

SHA1
4ed0256a84f2e95609a0b4d5c249bca624db8fe4

SHA256
3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888

SHA512
1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d

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

Filesize
944B

MD5
cef328ddb1ee8916e7a658919323edd8

SHA1
a676234d426917535e174f85eabe4ef8b88256a5

SHA256
a1b5b7ada8ebc910f20f91ada3991d3321104e9da598c958b1edac9f9aca0e90

SHA512
747400c20ca5b5fd1b54bc24e75e6a78f15af61df263be932d2ee7b2f34731c2de8ce03b2706954fb098c1ac36f0b761cf37e418738fa91f2a8ea78572f545cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c0zfupoj.1z2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1252-43-0x000000001C250000-0x000000001C266000-memory.dmp

Filesize
88KB

Download
memory/1252-0-0x00007FFBA8CD3000-0x00007FFBA8CD5000-memory.dmp

Filesize
8KB

Download
memory/1252-1-0x0000000000780000-0x000000000079C000-memory.dmp

Filesize
112KB

Download
memory/1252-95-0x0000000001150000-0x000000000115C000-memory.dmp

Filesize
48KB

Download
memory/1252-40-0x00007FFBA8CD3000-0x00007FFBA8CD5000-memory.dmp

Filesize
8KB

Download
memory/1252-2-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/1252-44-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-3-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-13-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-16-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-15-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-14-0x000002F06DB10000-0x000002F06DB32000-memory.dmp

Filesize
136KB

Download
memory/3492-4-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download
memory/3492-19-0x00007FFBA8CD0000-0x00007FFBA9792000-memory.dmp

Filesize
10.8MB

Download