Analysis

  • max time kernel
    112s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2024, 03:35

General

  • Target

    541ff61c291073ca55b5948d2a1892ffc00842de85cff147a9eb55bdc8fdd04cN.exe

  • Size

    5.9MB

  • MD5

    d5cf63bd40ee7264411d869b1e0dedc0

  • SHA1

    5ff886581eb6772a93a066b1c66916b58f2d0f8f

  • SHA256

    541ff61c291073ca55b5948d2a1892ffc00842de85cff147a9eb55bdc8fdd04c

  • SHA512

    97e5ec0dc6a598b675990b4c84e32438e4636fc204f1954d3fd188399c1a6404bf53c41d5061baa898be17ce76a26c3326251450c5be86726a939a87297bb86c

  • SSDEEP

    98304:oKgKdd/yzt67OU7apwKgKdd/yzt67OU7apwKgKdd/yzt67OU7apv:0Cazg7DS8Cazg7DS8Cazg7DSv

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\541ff61c291073ca55b5948d2a1892ffc00842de85cff147a9eb55bdc8fdd04cN.exe
    "C:\Users\Admin\AppData\Local\Temp\541ff61c291073ca55b5948d2a1892ffc00842de85cff147a9eb55bdc8fdd04cN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Windows Update" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe" /f
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry key
      PID:4996
    • C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe
      "C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3812
      • C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe
        "C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2104
    • C:\Users\Admin\AppData\Roaming\Scegli_nome_allegato.exe
      "C:\Users\Admin\AppData\Roaming\Scegli_nome_allegato.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\7D57AD13E21.exe

    Filesize

    5.9MB

    MD5

    ec1d3c4e3bff6a3ea3a817dd02618f35

    SHA1

    0abe0e31efa4408e02f45ea22412e6bc40afc854

    SHA256

    4973637d114f3e2632a610053db5f482a8185ef845aba44ee5cbd47e4eb45fcc

    SHA512

    69a016b993c652c27689957df67c53f158241b8816a19a34d32b457f87950cc4bb39a9f6b6e2fc199bf1248158da61edde573285f2203c3c3396888fd6c3a17c

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

    Filesize

    1.0MB

    MD5

    a2f259ceb892d3b0d1d121997c8927e3

    SHA1

    6e0a7239822b8d365d690a314f231286355f6cc6

    SHA256

    ab01a333f38605cbcebd80e0a84ffae2803a9b4f6bebb1e9f773e949a87cb420

    SHA512

    5ae1b60390c94c9e79d3b500a55b775d82556e599963d533170b9f35ad5cfa2df1b7d24de1890acf8e1e2c356830396091d46632dbc6ee43a7d042d4facb5dad

  • memory/1636-2-0x0000000002340000-0x0000000002341000-memory.dmp

    Filesize

    4KB

  • memory/1636-1-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/1636-3-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/1636-25-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/1636-0-0x0000000002340000-0x0000000002341000-memory.dmp

    Filesize

    4KB

  • memory/2104-34-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2104-40-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2104-37-0x0000000000400000-0x00000000004A6000-memory.dmp

    Filesize

    664KB

  • memory/2668-26-0x00000000022B0000-0x00000000022B1000-memory.dmp

    Filesize

    4KB

  • memory/2668-32-0x0000000000400000-0x00000000004FB000-memory.dmp

    Filesize

    1004KB

  • memory/2668-31-0x00000000022B0000-0x00000000022B1000-memory.dmp

    Filesize

    4KB

  • memory/2668-29-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/3812-30-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/3812-33-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/3812-36-0x0000000000400000-0x0000000000601000-memory.dmp

    Filesize

    2.0MB

  • memory/3812-13-0x00000000008E0000-0x00000000008E1000-memory.dmp

    Filesize

    4KB