xworm | 2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e

Analysis

max time kernel
149s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
08/06/2026, 08:42

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General

Target
2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe
Size 796KB
Sample260608-kmclaabs4v
SHA256 2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e
MD5 8835a6e317c02c434aa97194c01a0e50
SHA1 728884867c4d43740600f71eb405d5e1bda2106b
SHA512 700e96828a4216b499578b204bbb1a29f2cf0b448ad35511e61ab8df8f18a9ab0929afb548fdc70b0acc192b46676fd52396905f22b3ebbfb3b3f57638c48e12
SSDEEP 12288:N5mNYL9MHgWNJTR71keI1c1xjNdf3kXJJbr859pjIOmPoOO:jtRUNtt1keaOjDPoJH0IOmQj
TLSH
T14205F118231EDE06E4B78BB85860D7B417B86E48F930D2138EE9BEDB78357919D053D2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

31.56.209.92:443

Mutex

FmU2Cwecsq6BHztV

Attributes

install_file
USB.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/792-13-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4084	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
2380	lpGBVmub.exe
1784	lpGBVmub.exe
3348	lpGBVmub.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-1-5-21-2824035265-2271499813-2042964211-1000\Software\Microsoft\Windows\CurrentVersion\Run\lpGBVmub = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\jihgvrc1irm.ps1\""	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5032 set thread context of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 2380 set thread context of 3348	2380	lpGBVmub.exe	89

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lpGBVmub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lpGBVmub.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4084	powershell.exe
4084	powershell.exe
2380	lpGBVmub.exe
2380	lpGBVmub.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4084	powershell.exe
Token: SeDebugPrivilege	792	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe
Token: SeDebugPrivilege	2380	lpGBVmub.exe
Token: SeDebugPrivilege	3348	lpGBVmub.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 5032 wrote to memory of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 5032 wrote to memory of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 5032 wrote to memory of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 5032 wrote to memory of 792	5032	2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe	83
PID 4084 wrote to memory of 2380	4084	powershell.exe	86
PID 2380 wrote to memory of 1784	2380	lpGBVmub.exe	88
PID 2380 wrote to memory of 3348	2380	lpGBVmub.exe	89
PID 2380 wrote to memory of 3348	2380	lpGBVmub.exe	89
PID 2380 wrote to memory of 3348	2380	lpGBVmub.exe	89
PID 2380 wrote to memory of 3348	2380	lpGBVmub.exe	89
PID 2380 wrote to memory of 3348	2380	lpGBVmub.exe	89

C:\Users\Admin\AppData\Local\Temp\2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe
"C:\Users\Admin\AppData\Local\Temp\2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe
  "C:\Users\Admin\AppData\Local\Temp\2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:792

C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\jihgvrc1irm.ps1"
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Users\Admin\AppData\Roaming\lpGBVmub.exe
  "C:\Users\Admin\AppData\Roaming\lpGBVmub.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Users\Admin\AppData\Roaming\lpGBVmub.exe
    "C:\Users\Admin\AppData\Roaming\lpGBVmub.exe"
    3⤵
    - Executes dropped EXE
    PID:1784
- - C:\Users\Admin\AppData\Roaming\lpGBVmub.exe
    "C:\Users\Admin\AppData\Roaming\lpGBVmub.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3348

Network

MITRE ATT&CK Enterprise v16

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e.exe.log
Size 1KB
SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
MD5 7e1ed0055c3eaa0bbc4a29ec1ef15a6a
SHA1 765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d
SHA512 de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8
TLSH
T102216B303231B5D84D422F5308586AC566FF0745BAB8DF6CB659235EDD2A047AF222F3
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_0wcajn3z.bqz.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0wcajn3z.bqz.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

jihgvrc1irm.ps1

Path C:\Users\Admin\AppData\Local\Temp\jihgvrc1irm.ps1
Size 1KB
SHA256 eab708281e87bdd5c823f159ddeb67a997d39b36c28ea0cb8339ac9d5c8057dc
MD5 8e1fc4999fedfb9b563fb00448396b12
SHA1 3ebc2c6ef8bac413c4237e04119b3a5e261430e1
SHA512 312e6a20a6dd69ee7bd8a24a7248405498ecc752a1a70c6ec57b541109b82b7d5ed0798306eba116586c042927bf87ede0981415cf52451d5d18f727cc4fa0a0
TLSH
T18F2104479D9807C6406807F11517B5CDB62D61CF27BF059094ECA0EEB32BE27342ACE8
MD5 SHA1 SHA512 TLSH

Submit Download

lpGBVmub.exe

Path C:\Users\Admin\AppData\Roaming\lpGBVmub.exe
Size 796KB
SHA256 2e37ef62eae24ccfbbd022aafa0850ce1b0bf87808d3206ca675b9d277e8d58e
MD5 8835a6e317c02c434aa97194c01a0e50
SHA1 728884867c4d43740600f71eb405d5e1bda2106b
SHA512 700e96828a4216b499578b204bbb1a29f2cf0b448ad35511e61ab8df8f18a9ab0929afb548fdc70b0acc192b46676fd52396905f22b3ebbfb3b3f57638c48e12
SSDEEP 12288:N5mNYL9MHgWNJTR71keI1c1xjNdf3kXJJbr859pjIOmPoOO:jtRUNtt1keaOjDPoJH0IOmQj
TLSH
T14205F118231EDE06E4B78BB85860D7B417B86E48F930D2138EE9BEDB78357919D053D2
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/792-13-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/792-35-0x0000000005860000-0x0000000005870000-memory.dmp

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memory/792-34-0x0000000005C70000-0x0000000005CD6000-memory.dmp

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memory/792-27-0x0000000005860000-0x0000000005870000-memory.dmp

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memory/4084-25-0x00000105C1C90000-0x00000105C2752000-memory.dmp

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memory/4084-23-0x00000105C28A0000-0x00000105C28C2000-memory.dmp

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memory/4084-33-0x00000105C1C90000-0x00000105C2752000-memory.dmp

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memory/4084-16-0x00000105C245A000-0x00000105C245B000-memory.dmp

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memory/4084-24-0x00000105C1C90000-0x00000105C2752000-memory.dmp

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memory/5032-0-0x0000000000460000-0x000000000052E000-memory.dmp

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memory/5032-6-0x0000000008010000-0x000000000802E000-memory.dmp

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memory/5032-8-0x00000000083A0000-0x0000000008442000-memory.dmp

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memory/5032-5-0x0000000005160000-0x00000000051FC000-memory.dmp

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memory/5032-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

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memory/5032-3-0x0000000005310000-0x0000000005320000-memory.dmp

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memory/5032-7-0x0000000005310000-0x0000000005320000-memory.dmp

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memory/5032-2-0x00000000050C0000-0x0000000005152000-memory.dmp

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memory/5032-1-0x00000000055D0000-0x0000000005B76000-memory.dmp

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