Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/08/2026, 00:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe
- Size 332KB
- Sample260805-a5nfdsbb83
- SHA256 b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc
- MD5 20b070766bb90bb738998e8543765a91
- SHA1 760b485d0ad0c7acb47b87241db109067ecc67cd
- SHA512 fde35ccc067a178f498fba482c9fb755cd4b473daa25f2f00803893bcf8a9f41b6b6b47780a00b6e1e6502a1b339a8c0af2321ec9a90e5cd4a24bcad87ac1ba0
- SSDEEP 6144:KQzMQd6wfunttjgNg7ez370CoceXs5d54Fcf:WQdfunt42o0CoN851
- TLSH T189749F19F7A814F9D667C57CC9524901E772BC164760EBCF23A04AA62F336E09E3EB11
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 5064 powershell.exe 5064 powershell.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 12 1288 b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe - Executes dropped EXE 2 IoCs
pid Process 5072 Service.exe 864 Service.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Service = "C:\\Users\\Admin\\AppData\\Local\\pauv\\downloads\\Service.exe" b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5064 powershell.exe 5064 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5064 powershell.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1288 wrote to memory of 5064 1288 b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe 87 PID 1288 wrote to memory of 864 1288 b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe"C:\Users\Admin\AppData\Local\Temp\b55e1818e7478907c06fd6f71a9211a39aca3cdcef93a15cff31ded6cb2ddbcc.exe"1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users'; Add-MpPreference -ExclusionPath 'C:\ProgramData'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\pauv'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5064
-
-
C:\Users\Admin\AppData\Local\pauv\downloads\Service.exe"C:\Users\Admin\AppData\Local\pauv\downloads\Service.exe"2⤵
- Executes dropped EXE
PID:864
-
-
C:\Users\Admin\AppData\Local\pauv\downloads\Service.exeC:\Users\Admin\AppData\Local\pauv\downloads\Service.exe1⤵
- Executes dropped EXE
PID:5072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ivgpmazk.1xv.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\pauv\downloads\Service.exe
- Size 710KB
- SHA256 463e71c114d5db041a864d58b729b4e38e2a285fa5edd92116a028ec83255cf9
- MD5 39c1ee9450a96b261391b401e54d4484
- SHA1 d1221712b69536a960843339d6c4f2a80cfb38e0
- SHA512 444c12f6703c8538ba7a2b05fb600a447f4295f6e235181620ce91c9292c67745e1d1c68ed92e431d3bba78b205a690ac9c1bf2c8b7ceef88728647a6e6df6e5
- SSDEEP 12288:j+K2a/1FUQeBkK/GSvDMwgCfWqhAavfGzrArl1P2lhd:6K2a/TUQerGSvDMwgCf2ofGzrS2lhd
- TLSH T18AF47C66ABE405FDC067C179C9574603F7B6B80A1360AACF07D54AA61F23BE59E3E310
- MD5 SHA1 SHA512 SSDEEP TLSH