Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 23:06

General

  • Target

    635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe

  • Size

    4.9MB

  • MD5

    943fb6fb430fbac169b4ce55189206ad

  • SHA1

    c7050a4a1102c4abe5453e0b7c3080e2875fab28

  • SHA256

    635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221

  • SHA512

    bc45a6758dcc470678cf6a3ff3cd989d473866fb991e85309c995b7b79b75ec6ac8333673f3b5a3aad820c3119337eef34f9569a6204c7c8cb558c9c7b05a61a

  • SSDEEP

    49152:9g/xFnOvtaWIDn0a2qnqYQVMkL+q/vSWidGHp+NDGQUzbpDOfjxAkrQKl+RPAFIA:IaklJKvS0Hpe4zbpaAKQkroGIC

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
    "C:\Users\Admin\AppData\Local\Temp\635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\sysx32.exe
      C:\Windows\system32\sysx32.exe /scan
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      PID:1224
    • C:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
      C:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe
      2⤵
      • Executes dropped EXE
      PID:2408

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\_635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221.exe

          Filesize

          4.9MB

          MD5

          757b6abbbee579077b100778e2e3032c

          SHA1

          90ab4e4560b35479460becfd77be01cc5412bf06

          SHA256

          9956fe3448870d4f9735fcd20905cc199449b674999497e0fe21615e88b63707

          SHA512

          cdff71639d6097eee9f8d243a1e5db967f32ba67f7de47f09d2906e23f9caa60d7f9a122447b75e307e44793b8d066bc70e4de5545bd84d134e2702ae00a46f6

        • \Windows\SysWOW64\sysx32.exe

          Filesize

          4.9MB

          MD5

          943fb6fb430fbac169b4ce55189206ad

          SHA1

          c7050a4a1102c4abe5453e0b7c3080e2875fab28

          SHA256

          635034820d0830ff4950f274a062e5be5c7c113bc8b05b09d5d84396fa7ca221

          SHA512

          bc45a6758dcc470678cf6a3ff3cd989d473866fb991e85309c995b7b79b75ec6ac8333673f3b5a3aad820c3119337eef34f9569a6204c7c8cb558c9c7b05a61a

        • memory/1224-21-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2448-0-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2448-11-0x00000000003C0000-0x00000000003D1000-memory.dmp

          Filesize

          68KB

        • memory/2448-10-0x00000000003C0000-0x00000000003D1000-memory.dmp

          Filesize

          68KB

        • memory/2448-19-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB