xworm | c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

Analysis

max time kernel
145s
max time network
146s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
17-11-2024 06:44

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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/3692-47-0x000000001C690000-0x000000001C6A6000-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
3508	powershell.exe
3668	powershell.exe
3444	powershell.exe
4960	powershell.exe
1652	powershell.exe
1088	powershell.exe
2716	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\International\Geo\Nation	Api-AutoUpdaterV2.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 6 IoCs

pid	Process
3636	WindowsDefender
2704	Api-AutoUpdaterV2.exe
3180	WindowsDefender
5076	Api-AutoUpdaterV2.exe
3356	WindowsDefender
3128	Api-AutoUpdaterV2.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-1-5-21-2319007114-3335580451-2147236418-1000\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
3	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
3060	schtasks.exe
2108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3668	powershell.exe
3668	powershell.exe
3444	powershell.exe
3444	powershell.exe
4960	powershell.exe
4960	powershell.exe
1652	powershell.exe
1652	powershell.exe
1088	powershell.exe
1088	powershell.exe
2716	powershell.exe
2716	powershell.exe
3508	powershell.exe
3508	powershell.exe
3692	Api-AutoUpdaterV2.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3692	Api-AutoUpdaterV2.exe
Token: SeDebugPrivilege	3668	powershell.exe
Token: SeIncreaseQuotaPrivilege	3668	powershell.exe
Token: SeSecurityPrivilege	3668	powershell.exe
Token: SeTakeOwnershipPrivilege	3668	powershell.exe
Token: SeLoadDriverPrivilege	3668	powershell.exe
Token: SeSystemProfilePrivilege	3668	powershell.exe
Token: SeSystemtimePrivilege	3668	powershell.exe
Token: SeProfSingleProcessPrivilege	3668	powershell.exe
Token: SeIncBasePriorityPrivilege	3668	powershell.exe
Token: SeCreatePagefilePrivilege	3668	powershell.exe
Token: SeBackupPrivilege	3668	powershell.exe
Token: SeRestorePrivilege	3668	powershell.exe
Token: SeShutdownPrivilege	3668	powershell.exe
Token: SeDebugPrivilege	3668	powershell.exe
Token: SeSystemEnvironmentPrivilege	3668	powershell.exe
Token: SeRemoteShutdownPrivilege	3668	powershell.exe
Token: SeUndockPrivilege	3668	powershell.exe
Token: SeManageVolumePrivilege	3668	powershell.exe
Token: 33	3668	powershell.exe
Token: 34	3668	powershell.exe
Token: 35	3668	powershell.exe
Token: 36	3668	powershell.exe
Token: SeDebugPrivilege	3444	powershell.exe
Token: SeIncreaseQuotaPrivilege	3444	powershell.exe
Token: SeSecurityPrivilege	3444	powershell.exe
Token: SeTakeOwnershipPrivilege	3444	powershell.exe
Token: SeLoadDriverPrivilege	3444	powershell.exe
Token: SeSystemProfilePrivilege	3444	powershell.exe
Token: SeSystemtimePrivilege	3444	powershell.exe
Token: SeProfSingleProcessPrivilege	3444	powershell.exe
Token: SeIncBasePriorityPrivilege	3444	powershell.exe
Token: SeCreatePagefilePrivilege	3444	powershell.exe
Token: SeBackupPrivilege	3444	powershell.exe
Token: SeRestorePrivilege	3444	powershell.exe
Token: SeShutdownPrivilege	3444	powershell.exe
Token: SeDebugPrivilege	3444	powershell.exe
Token: SeSystemEnvironmentPrivilege	3444	powershell.exe
Token: SeRemoteShutdownPrivilege	3444	powershell.exe
Token: SeUndockPrivilege	3444	powershell.exe
Token: SeManageVolumePrivilege	3444	powershell.exe
Token: 33	3444	powershell.exe
Token: 34	3444	powershell.exe
Token: 35	3444	powershell.exe
Token: 36	3444	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeIncreaseQuotaPrivilege	4960	powershell.exe
Token: SeSecurityPrivilege	4960	powershell.exe
Token: SeTakeOwnershipPrivilege	4960	powershell.exe
Token: SeLoadDriverPrivilege	4960	powershell.exe
Token: SeSystemProfilePrivilege	4960	powershell.exe
Token: SeSystemtimePrivilege	4960	powershell.exe
Token: SeProfSingleProcessPrivilege	4960	powershell.exe
Token: SeIncBasePriorityPrivilege	4960	powershell.exe
Token: SeCreatePagefilePrivilege	4960	powershell.exe
Token: SeBackupPrivilege	4960	powershell.exe
Token: SeRestorePrivilege	4960	powershell.exe
Token: SeShutdownPrivilege	4960	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe
Token: SeSystemEnvironmentPrivilege	4960	powershell.exe
Token: SeRemoteShutdownPrivilege	4960	powershell.exe
Token: SeUndockPrivilege	4960	powershell.exe
Token: SeManageVolumePrivilege	4960	powershell.exe
Token: 33	4960	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3692	Api-AutoUpdaterV2.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 3668	3692	Api-AutoUpdaterV2.exe	88
PID 3692 wrote to memory of 3668	3692	Api-AutoUpdaterV2.exe	88
PID 3692 wrote to memory of 3444	3692	Api-AutoUpdaterV2.exe	91
PID 3692 wrote to memory of 3444	3692	Api-AutoUpdaterV2.exe	91
PID 3692 wrote to memory of 4960	3692	Api-AutoUpdaterV2.exe	94
PID 3692 wrote to memory of 4960	3692	Api-AutoUpdaterV2.exe	94
PID 3692 wrote to memory of 3060	3692	Api-AutoUpdaterV2.exe	96
PID 3692 wrote to memory of 3060	3692	Api-AutoUpdaterV2.exe	96
PID 3692 wrote to memory of 1652	3692	Api-AutoUpdaterV2.exe	100
PID 3692 wrote to memory of 1652	3692	Api-AutoUpdaterV2.exe	100
PID 3692 wrote to memory of 1088	3692	Api-AutoUpdaterV2.exe	102
PID 3692 wrote to memory of 1088	3692	Api-AutoUpdaterV2.exe	102
PID 3692 wrote to memory of 2716	3692	Api-AutoUpdaterV2.exe	104
PID 3692 wrote to memory of 2716	3692	Api-AutoUpdaterV2.exe	104
PID 3692 wrote to memory of 3508	3692	Api-AutoUpdaterV2.exe	106
PID 3692 wrote to memory of 3508	3692	Api-AutoUpdaterV2.exe	106
PID 3692 wrote to memory of 2108	3692	Api-AutoUpdaterV2.exe	108
PID 3692 wrote to memory of 2108	3692	Api-AutoUpdaterV2.exe	108

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⤵
- Checks computer location settings
- 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:3692
- 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:3668
- 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:3444
- 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:4960
- 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:3060
- 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
  PID:1652
- 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
  PID:1088
- 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
  PID:2716
- 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
  PID:3508
- 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:2108

C:\ProgramData\WindowsDefender
"C:\ProgramData\WindowsDefender"
1⤵
- Executes dropped EXE
PID:3636

C:\ProgramData\Api-AutoUpdaterV2.exe
"C:\ProgramData\Api-AutoUpdaterV2.exe"
1⤵
- Executes dropped EXE
PID:2704

C:\ProgramData\WindowsDefender
"C:\ProgramData\WindowsDefender"
1⤵
- Executes dropped EXE
PID:3180

C:\ProgramData\Api-AutoUpdaterV2.exe
"C:\ProgramData\Api-AutoUpdaterV2.exe"
1⤵
- Executes dropped EXE
PID:5076

C:\ProgramData\WindowsDefender
"C:\ProgramData\WindowsDefender"
1⤵
- Executes dropped EXE
PID:3356

C:\ProgramData\Api-AutoUpdaterV2.exe
"C:\ProgramData\Api-AutoUpdaterV2.exe"
1⤵
- Executes dropped EXE
PID:3128

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

Replay Monitor

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Downloads

C:\ProgramData\WindowsDefender

Filesize
87KB

MD5
9f9e3e562c3ace91fd36c7d9b49c56a7

SHA1
32317350629c0591b49726ad71ab49e12b208918

SHA256
c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

SHA512
8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

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

Filesize
1KB

MD5
2b4889ecb49120375fdf2bccb3c0966e

SHA1
fc1ee2f1161887e3f8b0cdd2453ae441739b993a

SHA256
7bf24ff0f6791ef902937b3caba0de16814a2c898dfb103d922c48582b602379

SHA512
8d737276620add4738d3cb484bca8e1efe23247955d37ebad199d2428f2f494e10dbee98721a77c7fa9d55f662c230acb206894538da9b8a9d0314166b5549a3

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

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
60ba7ac90c0e466144b48a90919960b6

SHA1
fe7f5d9e1d317f9409d8daa35d9c890f7e222d6a

SHA256
43d3c3113c66141b3a1f1f1bbf2d32a80128d029903ca58db09e9c6a9410ef9e

SHA512
92a1d912fd7be06820ec97b192b965d04ff44ff6a1c76b55405ecf20ca995762d823f52f174d8f48feb1d454716ab244adb4945febbf4fe4a6f91dd9791f87f2

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

Filesize
1KB

MD5
6f69ecb3fbecc3999e0c21b487b98ead

SHA1
7a5c56452c15581fe215bb57283d0462c10affd6

SHA256
fc5d87bc2b74258f9c1db7a4a78df502371ef30b0ee8c5cbed8fc000d8f1041b

SHA512
022bbe3eea838d22a63d457c16d8f4e4a44205f9388550eae8c1edf0e11e5a5551e52965298d60dda1fdbad3503bb5bdf9bb7d877e03ab2d573adbd108307155

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

Filesize
1KB

MD5
1b0c91fd0646bc16568e0af0a7b38ca4

SHA1
3bacea479bcc5d943e280f5e69348934b2e7bf3f

SHA256
b0adfca1b1dffe5d7cb9aebbab47b906ecd71c95ca25b9aa39f7347e6342aa68

SHA512
0828c4d2803c94919fd757c1a07ef624933616952b31b2064819160b803b3ca67e8ca6dcb95672251bc8662276f537389e5a12ced297169b18aa173fa572f5b2

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

Filesize
1KB

MD5
da11e3c30d34359c6dfa77475e7775e5

SHA1
45b6d72b7279f4b277778d4cdeb3547ceaca2fe9

SHA256
ac206e32a8f7a7b1118f195dcb41e32f2a05b38292d9bcf1d6269113b5f9abd9

SHA512
82b4cf8a02f74bbd03a629cf6949fd7053900cb6b4d875cc26c102908d99a229ee56f2c9fec0b26768a0d29239a289301d212e174d4f4ecb17d9bbeb70fc21b5

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

Filesize
1KB

MD5
0d7544011245912fa8118aabff9cf4a9

SHA1
b79ba1b96a45493fd3ecc262173474d010bb9094

SHA256
b62f7cff896354646fd63e67f61d6bdf504c35c901f05b48ca905535a603ae3b

SHA512
73a13b130d895abbe93032734bd7c02957c97a28b6a828c5f61fbbfcc1d4de2eea4d36d57a6e38016268ab550e2501343beb4a797315d9e1daca1142dea131f6

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

Filesize
1KB

MD5
03aa6911fecf3f0923ee454c47b948f7

SHA1
99205d2a61521238892647bbc232e0da4a1473a3

SHA256
39e73c21e8ef39e35252a5dc1f8ec0a0d646653cd285a3a97a09c2b8d54c38a1

SHA512
84190cfda72e45a1cf612a27de19421301b8c1777f065b305dbcef7359254820ed634e941f4fb4c865cc2f32773a11ad80123d27ad59876a2c051889d06c5b26

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tozgxyth.wvj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3668-13-0x000001C14ABD0000-0x000001C14ABF2000-memory.dmp

Filesize
136KB

Download
memory/3668-20-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3668-17-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3668-16-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3668-15-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3668-14-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3668-3-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3692-33-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3692-32-0x00007FF98ABA3000-0x00007FF98ABA5000-memory.dmp

Filesize
8KB

Download
memory/3692-47-0x000000001C690000-0x000000001C6A6000-memory.dmp

Filesize
88KB

Download
memory/3692-0-0x00007FF98ABA3000-0x00007FF98ABA5000-memory.dmp

Filesize
8KB

Download
memory/3692-2-0x00007FF98ABA0000-0x00007FF98B662000-memory.dmp

Filesize
10.8MB

Download
memory/3692-1-0x00000000001C0000-0x00000000001DC000-memory.dmp

Filesize
112KB

Download