xworm | aa51f5e413b771a6ccc4dc9665571b6264133852df96ded99ba66ba2cc56ed6f

Analysis

max time kernel
19s
max time network
27s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
21-01-2025 07:49

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General

Target

NeverLoseFree/NeverLoseClient.exe
Size

75KB
MD5

2b6ab43097c6f9a9d88d605c64a61dad
SHA1

c00d66146e866da5cf69dcec581dfbe7950cf03b
SHA256

2b967724ad4a8f55df852be7250b7f7eaf2c0e628cb1c1d3abd18adebf19e8e6
SHA512

b9c3792ad6d3404a1905bd2290a20848a6cb88843343e3bc6e0c85cd31b2e239c70c522ada3f38dc5e8954622dc8fa3773c8307ce192a6e0897368be14121b06
SSDEEP

1536:efAAfzPaDUUIU2QFgFrvwbIzDXuZQZG1O6kL8iVXOZ9r4S1:oAGzyDUO2trIbIQQZOEROZ9r11

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

plus-improve.gl.at.ply.gg:2705

Attributes

Install_directory
%ProgramData%
install_file
сmd.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4316-1-0x0000000000F30000-0x0000000000F4A000-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
1136	powershell.exe
2968	powershell.exe
3348	powershell.exe
1980	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-1-5-21-564748828-2201999071-3764224244-1000\Control Panel\International\Geo\Nation	NeverLoseClient.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-1-5-21-564748828-2201999071-3764224244-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\сmd = "C:\\ProgramData\\сmd.exe"	NeverLoseClient.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 9 IoCs

pid	Process
1136	powershell.exe
1136	powershell.exe
2968	powershell.exe
2968	powershell.exe
3348	powershell.exe
3348	powershell.exe
1980	powershell.exe
1980	powershell.exe
4316	NeverLoseClient.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4316	NeverLoseClient.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeIncreaseQuotaPrivilege	1136	powershell.exe
Token: SeSecurityPrivilege	1136	powershell.exe
Token: SeTakeOwnershipPrivilege	1136	powershell.exe
Token: SeLoadDriverPrivilege	1136	powershell.exe
Token: SeSystemProfilePrivilege	1136	powershell.exe
Token: SeSystemtimePrivilege	1136	powershell.exe
Token: SeProfSingleProcessPrivilege	1136	powershell.exe
Token: SeIncBasePriorityPrivilege	1136	powershell.exe
Token: SeCreatePagefilePrivilege	1136	powershell.exe
Token: SeBackupPrivilege	1136	powershell.exe
Token: SeRestorePrivilege	1136	powershell.exe
Token: SeShutdownPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeSystemEnvironmentPrivilege	1136	powershell.exe
Token: SeRemoteShutdownPrivilege	1136	powershell.exe
Token: SeUndockPrivilege	1136	powershell.exe
Token: SeManageVolumePrivilege	1136	powershell.exe
Token: 33	1136	powershell.exe
Token: 34	1136	powershell.exe
Token: 35	1136	powershell.exe
Token: 36	1136	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeIncreaseQuotaPrivilege	2968	powershell.exe
Token: SeSecurityPrivilege	2968	powershell.exe
Token: SeTakeOwnershipPrivilege	2968	powershell.exe
Token: SeLoadDriverPrivilege	2968	powershell.exe
Token: SeSystemProfilePrivilege	2968	powershell.exe
Token: SeSystemtimePrivilege	2968	powershell.exe
Token: SeProfSingleProcessPrivilege	2968	powershell.exe
Token: SeIncBasePriorityPrivilege	2968	powershell.exe
Token: SeCreatePagefilePrivilege	2968	powershell.exe
Token: SeBackupPrivilege	2968	powershell.exe
Token: SeRestorePrivilege	2968	powershell.exe
Token: SeShutdownPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeSystemEnvironmentPrivilege	2968	powershell.exe
Token: SeRemoteShutdownPrivilege	2968	powershell.exe
Token: SeUndockPrivilege	2968	powershell.exe
Token: SeManageVolumePrivilege	2968	powershell.exe
Token: 33	2968	powershell.exe
Token: 34	2968	powershell.exe
Token: 35	2968	powershell.exe
Token: 36	2968	powershell.exe
Token: SeDebugPrivilege	3348	powershell.exe
Token: SeIncreaseQuotaPrivilege	3348	powershell.exe
Token: SeSecurityPrivilege	3348	powershell.exe
Token: SeTakeOwnershipPrivilege	3348	powershell.exe
Token: SeLoadDriverPrivilege	3348	powershell.exe
Token: SeSystemProfilePrivilege	3348	powershell.exe
Token: SeSystemtimePrivilege	3348	powershell.exe
Token: SeProfSingleProcessPrivilege	3348	powershell.exe
Token: SeIncBasePriorityPrivilege	3348	powershell.exe
Token: SeCreatePagefilePrivilege	3348	powershell.exe
Token: SeBackupPrivilege	3348	powershell.exe
Token: SeRestorePrivilege	3348	powershell.exe
Token: SeShutdownPrivilege	3348	powershell.exe
Token: SeDebugPrivilege	3348	powershell.exe
Token: SeSystemEnvironmentPrivilege	3348	powershell.exe
Token: SeRemoteShutdownPrivilege	3348	powershell.exe
Token: SeUndockPrivilege	3348	powershell.exe
Token: SeManageVolumePrivilege	3348	powershell.exe
Token: 33	3348	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4316	NeverLoseClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 1136	4316	NeverLoseClient.exe	87
PID 4316 wrote to memory of 1136	4316	NeverLoseClient.exe	87
PID 4316 wrote to memory of 2968	4316	NeverLoseClient.exe	90
PID 4316 wrote to memory of 2968	4316	NeverLoseClient.exe	90
PID 4316 wrote to memory of 3348	4316	NeverLoseClient.exe	93
PID 4316 wrote to memory of 3348	4316	NeverLoseClient.exe	93
PID 4316 wrote to memory of 1980	4316	NeverLoseClient.exe	95
PID 4316 wrote to memory of 1980	4316	NeverLoseClient.exe	95

C:\Users\Admin\AppData\Local\Temp\NeverLoseFree\NeverLoseClient.exe
"C:\Users\Admin\AppData\Local\Temp\NeverLoseFree\NeverLoseClient.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:4316
- 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\NeverLoseFree\NeverLoseClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'NeverLoseClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\сmd.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'сmd.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1980

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
83d94e8aa23c7ad2db6f972739506306

SHA1
bd6d73d0417971c0077f772352d2f538a6201024

SHA256
dfa5cbd243b304f47196c492bc2d8b29941a550c2f076ef8bdfca72755e71881

SHA512
4224625e8ef8dadc72f1e1a1edfe2079656b14f2af94ce6128316481d96e9d0b6edf4de13fcdcc182038a2b29eb562b9246f944aecebfcb7c5ee8d7936b6287e

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

Filesize
1KB

MD5
3200cf7b9b7a87f7400f12f71444b6b8

SHA1
bc3f1a07ed3c3ebfe5af2135ab6f70efc322b830

SHA256
2db1e361711cd3011fa8d417101663cb40f099627d7c12da5177a66fa2d75ff4

SHA512
95b585a7a9da1d862052e80663fa5a0020633e0bbaaf6a96283e84b97e10756446d5f8a060edcefe3f447fc66e3d58ddf19477909c3d692e03687d91dab93e36

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

Filesize
1KB

MD5
33287e49f6eaba2d1ef2051051f82854

SHA1
bebd7e3e83e10f3fad883a509ecc1e4f3c3d38a5

SHA256
77e1b16217bb47355474c6a65af74aa0d933e6842840c0cb1674818e21b27792

SHA512
c068f2c5051ba3c3b240ff4436c281754a9765adb2a80b0c6347a84ddfe0839ee937b736ea3979ba5724cfe17055fc501f0e3127e89052b883b889eb3318eb9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fstgqvnl.jym.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1136-13-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/1136-12-0x0000019363CD0000-0x0000019363CF2000-memory.dmp

Filesize
136KB

Download
memory/1136-15-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/1136-16-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/1136-17-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/1136-20-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/1136-14-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/2968-33-0x000001BBED3F0000-0x000001BBED43C000-memory.dmp

Filesize
304KB

Download
memory/2968-34-0x000001BBED8E0000-0x000001BBEDAFD000-memory.dmp

Filesize
2.1MB

Download
memory/3348-47-0x000002D59ABA0000-0x000002D59ABEC000-memory.dmp

Filesize
304KB

Download
memory/3348-48-0x000002D59AD00000-0x000002D59AF1D000-memory.dmp

Filesize
2.1MB

Download
memory/4316-0-0x00007FF9E1EF3000-0x00007FF9E1EF5000-memory.dmp

Filesize
8KB

Download
memory/4316-2-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download
memory/4316-45-0x00007FF9E1EF3000-0x00007FF9E1EF5000-memory.dmp

Filesize
8KB

Download
memory/4316-1-0x0000000000F30000-0x0000000000F4A000-memory.dmp

Filesize
104KB

Download
memory/4316-61-0x00007FF9E1EF0000-0x00007FF9E29B2000-memory.dmp

Filesize
10.8MB

Download