xworm | e6025c036e5f0bcd3142f2fea80ebe5416c3aa0b64e94d0b5a7c1577c651d609

Analysis

max time kernel
34s
max time network
37s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
22/11/2024, 18:59

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General

Target

Wave-Setup.exe
Size

73KB
MD5

c98b26b1cac8a447066be6bd5a933196
SHA1

b22d43bc742b4cc866b62b2cfb62e8362e10163e
SHA256

e6025c036e5f0bcd3142f2fea80ebe5416c3aa0b64e94d0b5a7c1577c651d609
SHA512

98ea361a0c8c9f79e446bc0de58f23d23fa264d1741f2cb23141ad85f4e1cf45b7fcd18249473e48041ac3186d3793d0e6b1af1ea8393cf7429fd75c251c2e50
SSDEEP

1536:YsqiPx3ozEViBTK2Y03OboS8k8gvS6AjhOSdNo4fHId:YsrPpUEVAe+OboS8kZuhOSdN7G

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:7771

Attributes

Install_directory
%AppData%
install_file
XClient.exe
telegram
https://api.telegram.org/bot7665061051:AAEotbTL5fqrPYkfW44hc7ymOmd_OEVX4KY/sendMessage?chat_id=5622184120

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2644-1-0x00000000008C0000-0x00000000008D8000-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
1960	powershell.exe
860	powershell.exe
4524	powershell.exe
1472	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-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	Wave-Setup.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Wave-Setup.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Wave-Setup.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-1-5-21-1669812756-2240353048-2660728061-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	Wave-Setup.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
15	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 9 IoCs

pid	Process
1960	powershell.exe
1960	powershell.exe
860	powershell.exe
860	powershell.exe
4524	powershell.exe
4524	powershell.exe
1472	powershell.exe
1472	powershell.exe
2644	Wave-Setup.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	Wave-Setup.exe
Token: SeDebugPrivilege	1960	powershell.exe
Token: SeIncreaseQuotaPrivilege	1960	powershell.exe
Token: SeSecurityPrivilege	1960	powershell.exe
Token: SeTakeOwnershipPrivilege	1960	powershell.exe
Token: SeLoadDriverPrivilege	1960	powershell.exe
Token: SeSystemProfilePrivilege	1960	powershell.exe
Token: SeSystemtimePrivilege	1960	powershell.exe
Token: SeProfSingleProcessPrivilege	1960	powershell.exe
Token: SeIncBasePriorityPrivilege	1960	powershell.exe
Token: SeCreatePagefilePrivilege	1960	powershell.exe
Token: SeBackupPrivilege	1960	powershell.exe
Token: SeRestorePrivilege	1960	powershell.exe
Token: SeShutdownPrivilege	1960	powershell.exe
Token: SeDebugPrivilege	1960	powershell.exe
Token: SeSystemEnvironmentPrivilege	1960	powershell.exe
Token: SeRemoteShutdownPrivilege	1960	powershell.exe
Token: SeUndockPrivilege	1960	powershell.exe
Token: SeManageVolumePrivilege	1960	powershell.exe
Token: 33	1960	powershell.exe
Token: 34	1960	powershell.exe
Token: 35	1960	powershell.exe
Token: 36	1960	powershell.exe
Token: SeDebugPrivilege	860	powershell.exe
Token: SeIncreaseQuotaPrivilege	860	powershell.exe
Token: SeSecurityPrivilege	860	powershell.exe
Token: SeTakeOwnershipPrivilege	860	powershell.exe
Token: SeLoadDriverPrivilege	860	powershell.exe
Token: SeSystemProfilePrivilege	860	powershell.exe
Token: SeSystemtimePrivilege	860	powershell.exe
Token: SeProfSingleProcessPrivilege	860	powershell.exe
Token: SeIncBasePriorityPrivilege	860	powershell.exe
Token: SeCreatePagefilePrivilege	860	powershell.exe
Token: SeBackupPrivilege	860	powershell.exe
Token: SeRestorePrivilege	860	powershell.exe
Token: SeShutdownPrivilege	860	powershell.exe
Token: SeDebugPrivilege	860	powershell.exe
Token: SeSystemEnvironmentPrivilege	860	powershell.exe
Token: SeRemoteShutdownPrivilege	860	powershell.exe
Token: SeUndockPrivilege	860	powershell.exe
Token: SeManageVolumePrivilege	860	powershell.exe
Token: 33	860	powershell.exe
Token: 34	860	powershell.exe
Token: 35	860	powershell.exe
Token: 36	860	powershell.exe
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeIncreaseQuotaPrivilege	4524	powershell.exe
Token: SeSecurityPrivilege	4524	powershell.exe
Token: SeTakeOwnershipPrivilege	4524	powershell.exe
Token: SeLoadDriverPrivilege	4524	powershell.exe
Token: SeSystemProfilePrivilege	4524	powershell.exe
Token: SeSystemtimePrivilege	4524	powershell.exe
Token: SeProfSingleProcessPrivilege	4524	powershell.exe
Token: SeIncBasePriorityPrivilege	4524	powershell.exe
Token: SeCreatePagefilePrivilege	4524	powershell.exe
Token: SeBackupPrivilege	4524	powershell.exe
Token: SeRestorePrivilege	4524	powershell.exe
Token: SeShutdownPrivilege	4524	powershell.exe
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeSystemEnvironmentPrivilege	4524	powershell.exe
Token: SeRemoteShutdownPrivilege	4524	powershell.exe
Token: SeUndockPrivilege	4524	powershell.exe
Token: SeManageVolumePrivilege	4524	powershell.exe
Token: 33	4524	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	Wave-Setup.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1960	2644	Wave-Setup.exe	88
PID 2644 wrote to memory of 1960	2644	Wave-Setup.exe	88
PID 2644 wrote to memory of 860	2644	Wave-Setup.exe	92
PID 2644 wrote to memory of 860	2644	Wave-Setup.exe	92
PID 2644 wrote to memory of 4524	2644	Wave-Setup.exe	94
PID 2644 wrote to memory of 4524	2644	Wave-Setup.exe	94
PID 2644 wrote to memory of 1472	2644	Wave-Setup.exe	98
PID 2644 wrote to memory of 1472	2644	Wave-Setup.exe	98

C:\Users\Admin\AppData\Local\Temp\Wave-Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Wave-Setup.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:2644
- 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\Wave-Setup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1960
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Wave-Setup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:860
- 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\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1472

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
90d696d6a8ab185c1546b111fa208281

SHA1
b0ce1efde1dad3d65f7a78d1f6467d8a1090d659

SHA256
78497ed2c4ccac6e870afc80224724f45a7356bde55580a5c6ea52ef5079a3f4

SHA512
0a19628ae31ec31f382b3fd430c205a39985730e12c608b66b83ee4826e3f3fc9f4a034e03f38ac5260defdf805b927528ffca1a2ccdd59d9bfe05822923c4ba

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

Filesize
1KB

MD5
6be739fd6a9949416586af76485ff82b

SHA1
6a0e43bd9a3a5d3d3851d4499dbde258699c738b

SHA256
7d36b3936886c25a799a0cd57a6c4a7d46f38f5149a6ad55be06d1b144ead41c

SHA512
916d8c3520ae143eb6dfe45622d75b2b99ed9401f2fece867a6bb1b4fe777aa2b5ae3ae1364871ba848467fd63e5f1d33e8c7a66c65f32708c57acd7670c16bc

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

Filesize
1KB

MD5
ef923c695bef2de3f66abe2a2b46fa33

SHA1
130782d6138d1ecd465d86c28880f76c27b8b929

SHA256
fd38e46bae7db21bf9a39808dd648e31b11b6aabf65d0c8e42a8f429912ac26e

SHA512
01294761766d74dac66ed48184f29ded9d22f54133ab9ca1f5734d4b835e52eb060f61bcf620c2bb8e90b39defb55e5719f7f3cce583e6b8ecc4f70619e12b91

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kxrin14f.czx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1960-4-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/1960-5-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/1960-15-0x00000211BAF50000-0x00000211BAF72000-memory.dmp

Filesize
136KB

Download
memory/1960-16-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/1960-18-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/1960-21-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/1960-3-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/2644-17-0x00007FFB63343000-0x00007FFB63345000-memory.dmp

Filesize
8KB

Download
memory/2644-0-0x00007FFB63343000-0x00007FFB63345000-memory.dmp

Filesize
8KB

Download
memory/2644-2-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download
memory/2644-1-0x00000000008C0000-0x00000000008D8000-memory.dmp

Filesize
96KB

Download
memory/2644-56-0x000000001BA90000-0x000000001BB8F000-memory.dmp

Filesize
1020KB

Download
memory/2644-57-0x00007FFB63340000-0x00007FFB63E02000-memory.dmp

Filesize
10.8MB

Download