Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 12:53

General

  • Target

    xmhk.exe

  • Size

    68KB

  • MD5

    c3e87d5de68cefd51bdd950b3d6c488b

  • SHA1

    78086f01b5aacf7f7bd13e62d842f0e89b36662a

  • SHA256

    2e8018f36f3e682f8c8f407448cb2c41e639707c251ae5877090d61286143ba4

  • SHA512

    6929ae82a700e55d953c753b7aff2c8e4db0717a18bbc20bd502223a8dd17d5dce1ea4e2d9c081206826a4c006285b2a26042e8bf8e3110ae03d517048279962

  • SSDEEP

    768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMIWV:BHJaAoHoc2x7bZoYBAcQlwJdMq

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xmhk.exe
    "C:\Users\Admin\AppData\Local\Temp\xmhk.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    PID:1704
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"
    1⤵
      PID:2996
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SANETRUDDL"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\SysWOW64\SANETRUDDL.exe
        C:\Windows\system32\SANETRUDDL.exe "c:\windows\system32\259410817.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\SysWOW64\259410817.dll

      Filesize

      37KB

      MD5

      499e20e019ab256f0bf04c32f918d0e5

      SHA1

      137d220142b0874cbd07144966a17de0cc9a367b

      SHA256

      5923306e423eabbc2fed3eb49374d3426c286e9103a5f6b6ca6dcb1ed4f22576

      SHA512

      4099b6a9606da2d49b0d91d60e8c15102a79b98e9ca681aa1c37750f5bf863e2dbf2e8e82bab349c4f29ebd73e5fa5da0e92dda4345f966603f0cd906a2c2f10

    • \Windows\SysWOW64\SANETRUDDL.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1704-0-0x0000000010000000-0x000000001000F000-memory.dmp

      Filesize

      60KB

    • memory/1704-6-0x00000000001E0000-0x00000000001ED000-memory.dmp

      Filesize

      52KB