Analysis

  • max time kernel
    111s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 03:01

General

  • Target

    6005a146de106a3bd5cce4a1980e5650N.exe

  • Size

    63KB

  • MD5

    6005a146de106a3bd5cce4a1980e5650

  • SHA1

    49ca8661752c9b40ae3099d6f51fcf96e6fc162b

  • SHA256

    46bf873406ef28e96eab03e783ff68b1a45c0e512c200706eb27a338d4f1458f

  • SHA512

    f516ec5eba9c0c1eb7a2aa045decaf83178f8630f568d1395ed730d1526e7c332b0fd0081b1f3f90167b12dea32794fee5ac8273562f6e49a4e1bd2aa5f55190

  • SSDEEP

    768:OrItKyw5WHXfQmjIiIk9ecAa6cMb964yXhDLdr:Or3Z5IfQmv81awvyX5Zr

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6005a146de106a3bd5cce4a1980e5650N.exe
    "C:\Users\Admin\AppData\Local\Temp\6005a146de106a3bd5cce4a1980e5650N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\wmahost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6005A1~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4844
  • C:\Windows\Debug\wmahost.exe
    C:\Windows\Debug\wmahost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\debug\wmahost.exe

    Filesize

    63KB

    MD5

    62d43fd4ed33184579c8eb31d80f3dc2

    SHA1

    cf7b88afb4b0925e36f6c2beefa18a3bbf941976

    SHA256

    a25b06b6a756afefe5c5002a207bddc344a941754c25a2aac24444796dad5b6b

    SHA512

    bbb29a8ba06da8e9b0437938765d9c4f193eb14b8a2e6cfcc7cf8e8df24cf9d3dfbb2a93e12b55f9f030b20a51e476a0cd5ec415ef4a95641ad81766b780572d