xworm | e91102fdb8c1c17fc032db088a1fa697939db309b65bd73c08a960a460891aad

Analysis

max time kernel
82s
max time network
83s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
23-01-2025 15:16

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General

Target

hyper13124234.exe
Size

277KB
MD5

97cfccab13d3f907bc9afdd0c597009e
SHA1

bf0c12ef218162f8706447a9155c9cff4927999f
SHA256

e91102fdb8c1c17fc032db088a1fa697939db309b65bd73c08a960a460891aad
SHA512

0cfe4b383a4a7678523bdf2bdb4e1c8b15e9971a92aa2e21fc2bb04844621f08d965a6920e9cf9441ff9421e73b3f26a3926cbdfef64c6d7b8c37158e2af0ad0
SSDEEP

6144:EOxCsNqAdXt+jl2mveDLls89fur1Xac/n+O6j9Mn:hCs8Adog0eDyefur1XaGlV

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4748-3-0x000001EC07D00000-0x000001EC07D16000-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 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2780	powershell.exe
4968	powershell.exe
3140	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-1-5-21-2826969134-2088669430-2680400721-1000\Control Panel\International\Geo\Nation	hyper13124234.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-1-5-21-2826969134-2088669430-2680400721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hyper13124234 = "C:\\Users\\Admin\\AppData\\Roaming\\hyper13124234.exe"	hyper13124234.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
16	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4968	powershell.exe
4968	powershell.exe
3140	powershell.exe
3140	powershell.exe
2780	powershell.exe
2780	powershell.exe
4748	hyper13124234.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	hyper13124234.exe
Token: SeDebugPrivilege	4968	powershell.exe
Token: SeIncreaseQuotaPrivilege	4968	powershell.exe
Token: SeSecurityPrivilege	4968	powershell.exe
Token: SeTakeOwnershipPrivilege	4968	powershell.exe
Token: SeLoadDriverPrivilege	4968	powershell.exe
Token: SeSystemProfilePrivilege	4968	powershell.exe
Token: SeSystemtimePrivilege	4968	powershell.exe
Token: SeProfSingleProcessPrivilege	4968	powershell.exe
Token: SeIncBasePriorityPrivilege	4968	powershell.exe
Token: SeCreatePagefilePrivilege	4968	powershell.exe
Token: SeBackupPrivilege	4968	powershell.exe
Token: SeRestorePrivilege	4968	powershell.exe
Token: SeShutdownPrivilege	4968	powershell.exe
Token: SeDebugPrivilege	4968	powershell.exe
Token: SeSystemEnvironmentPrivilege	4968	powershell.exe
Token: SeRemoteShutdownPrivilege	4968	powershell.exe
Token: SeUndockPrivilege	4968	powershell.exe
Token: SeManageVolumePrivilege	4968	powershell.exe
Token: 33	4968	powershell.exe
Token: 34	4968	powershell.exe
Token: 35	4968	powershell.exe
Token: 36	4968	powershell.exe
Token: SeDebugPrivilege	3140	powershell.exe
Token: SeIncreaseQuotaPrivilege	3140	powershell.exe
Token: SeSecurityPrivilege	3140	powershell.exe
Token: SeTakeOwnershipPrivilege	3140	powershell.exe
Token: SeLoadDriverPrivilege	3140	powershell.exe
Token: SeSystemProfilePrivilege	3140	powershell.exe
Token: SeSystemtimePrivilege	3140	powershell.exe
Token: SeProfSingleProcessPrivilege	3140	powershell.exe
Token: SeIncBasePriorityPrivilege	3140	powershell.exe
Token: SeCreatePagefilePrivilege	3140	powershell.exe
Token: SeBackupPrivilege	3140	powershell.exe
Token: SeRestorePrivilege	3140	powershell.exe
Token: SeShutdownPrivilege	3140	powershell.exe
Token: SeDebugPrivilege	3140	powershell.exe
Token: SeSystemEnvironmentPrivilege	3140	powershell.exe
Token: SeRemoteShutdownPrivilege	3140	powershell.exe
Token: SeUndockPrivilege	3140	powershell.exe
Token: SeManageVolumePrivilege	3140	powershell.exe
Token: 33	3140	powershell.exe
Token: 34	3140	powershell.exe
Token: 35	3140	powershell.exe
Token: 36	3140	powershell.exe
Token: SeDebugPrivilege	2780	powershell.exe
Token: SeIncreaseQuotaPrivilege	2780	powershell.exe
Token: SeSecurityPrivilege	2780	powershell.exe
Token: SeTakeOwnershipPrivilege	2780	powershell.exe
Token: SeLoadDriverPrivilege	2780	powershell.exe
Token: SeSystemProfilePrivilege	2780	powershell.exe
Token: SeSystemtimePrivilege	2780	powershell.exe
Token: SeProfSingleProcessPrivilege	2780	powershell.exe
Token: SeIncBasePriorityPrivilege	2780	powershell.exe
Token: SeCreatePagefilePrivilege	2780	powershell.exe
Token: SeBackupPrivilege	2780	powershell.exe
Token: SeRestorePrivilege	2780	powershell.exe
Token: SeShutdownPrivilege	2780	powershell.exe
Token: SeDebugPrivilege	2780	powershell.exe
Token: SeSystemEnvironmentPrivilege	2780	powershell.exe
Token: SeRemoteShutdownPrivilege	2780	powershell.exe
Token: SeUndockPrivilege	2780	powershell.exe
Token: SeManageVolumePrivilege	2780	powershell.exe
Token: 33	2780	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4748	hyper13124234.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 4968	4748	hyper13124234.exe	86
PID 4748 wrote to memory of 4968	4748	hyper13124234.exe	86
PID 4748 wrote to memory of 3140	4748	hyper13124234.exe	90
PID 4748 wrote to memory of 3140	4748	hyper13124234.exe	90
PID 4748 wrote to memory of 2780	4748	hyper13124234.exe	92
PID 4748 wrote to memory of 2780	4748	hyper13124234.exe	92

C:\Users\Admin\AppData\Local\Temp\hyper13124234.exe
"C:\Users\Admin\AppData\Local\Temp\hyper13124234.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4748
- 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\hyper13124234.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'hyper13124234.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3140
- 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\hyper13124234.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

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\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
b5bf6b0261deb53c0e3d422e3f83a664

SHA1
60cd83ab6dd15abaa9abf34d9ab54e42c8eefa16

SHA256
a431a9e84c64c6ad29339df6a714cb697081dc1c6c5557ada967d4caaeed0c1c

SHA512
27dfba0d2d7ebce4e6eebdeefa81b2518c5222efb9d37b4c323023e5117eed30ad6aeba8e062bde96d17d53b01bb9a59313229aeaf4863c8b30d9bbb09d46bff

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\Temp\__PSScriptPolicyTest_ek04itta.mld.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4748-1-0x000001EC07810000-0x000001EC0785C000-memory.dmp

Filesize
304KB

Download
memory/4748-2-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4748-3-0x000001EC07D00000-0x000001EC07D16000-memory.dmp

Filesize
88KB

Download
memory/4748-0-0x00007FF813513000-0x00007FF813515000-memory.dmp

Filesize
8KB

Download
memory/4748-47-0x000001EC24BB0000-0x000001EC24C99000-memory.dmp

Filesize
932KB

Download
memory/4748-45-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4748-44-0x00007FF813513000-0x00007FF813515000-memory.dmp

Filesize
8KB

Download
memory/4968-4-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4968-20-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4968-17-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4968-16-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download
memory/4968-12-0x000002FC208D0000-0x000002FC208F2000-memory.dmp

Filesize
136KB

Download
memory/4968-5-0x00007FF813510000-0x00007FF813FD2000-memory.dmp

Filesize
10.8MB

Download