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Analysis

  • max time kernel
    129s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 02:17

General

  • Target

    27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe

  • Size

    1.3MB

  • MD5

    2e6372abf5c58a233b273eb612950567

  • SHA1

    aed459512d857a0a6248cc9cb5785963a335b47e

  • SHA256

    27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71

  • SHA512

    ce06d3aa738e8f466c0e2be8cd9e2a79c286f4af4c7ed88da95d8b93bfa998e705eb25b6f5c9ae8d1d11fe4787f0c743edefae985d8756e822b1b003fcd61107

  • SSDEEP

    24576:7bx5ACyRtvPExqgcSSu5bqhD92oK8t7yz5b/UXq60Lnyx2M3TttxnvR:vAVRBPhbSFAhcKtYiq60LnKTVnp

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Blustealer family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe
    "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe
      "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe"
      2⤵
        PID:2428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3932
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\snto\snto.exe'" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:668
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71.exe" "C:\Users\Admin\AppData\Roaming\snto\snto.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4228
    • C:\Users\Admin\AppData\Roaming\snto\snto.exe
      C:\Users\Admin\AppData\Roaming\snto\snto.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:616

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\snto\snto.exe

      Filesize

      1.3MB

      MD5

      2e6372abf5c58a233b273eb612950567

      SHA1

      aed459512d857a0a6248cc9cb5785963a335b47e

      SHA256

      27f824a80ebdad6b53d01f487ecb17616c0a2a9d9700ca3be3b1c1a24cdc1f71

      SHA512

      ce06d3aa738e8f466c0e2be8cd9e2a79c286f4af4c7ed88da95d8b93bfa998e705eb25b6f5c9ae8d1d11fe4787f0c743edefae985d8756e822b1b003fcd61107

    • memory/616-17-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/616-16-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/616-15-0x0000000000410000-0x000000000056E000-memory.dmp

      Filesize

      1.4MB

    • memory/616-14-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/2428-8-0x0000000000900000-0x0000000000A09000-memory.dmp

      Filesize

      1.0MB

    • memory/4300-3-0x0000000004F90000-0x0000000005022000-memory.dmp

      Filesize

      584KB

    • memory/4300-7-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4300-6-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/4300-5-0x0000000005350000-0x000000000535A000-memory.dmp

      Filesize

      40KB

    • memory/4300-4-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4300-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/4300-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

      Filesize

      5.6MB

    • memory/4300-1-0x0000000000490000-0x00000000005EE000-memory.dmp

      Filesize

      1.4MB