Analysis

  • max time kernel
    208s
  • max time network
    236s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 12:52

General

  • Target

    7953e42f63dc02aa5e9af2565ad8b42db651c10e9b565c000f1f6df5ce18bc3d.exe

  • Size

    247KB

  • MD5

    a3d1897a5a519267b7f123eef9de0947

  • SHA1

    797c9c1c18465749f1436119edbd5997efe5e301

  • SHA256

    7953e42f63dc02aa5e9af2565ad8b42db651c10e9b565c000f1f6df5ce18bc3d

  • SHA512

    b890128b11a3ba459af3b3eaa6dee57d590b8ce4cdf188383d04b3c25d097f7e43d248d38f9b9e1a7d7bc181741e9da2ca64a90ea47283a47fac11ad10d183c9

  • SSDEEP

    6144:Bz+92mhAMJ/cPl3i8/5ctbOkN4s2Ks1JShvZsB6GgZpQo5HP8sb:BK2mhAMJ/cPlJWtqkv2kBZvGmpZvtb

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7953e42f63dc02aa5e9af2565ad8b42db651c10e9b565c000f1f6df5ce18bc3d.exe
    "C:\Users\Admin\AppData\Local\Temp\7953e42f63dc02aa5e9af2565ad8b42db651c10e9b565c000f1f6df5ce18bc3d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiator.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiator.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiatormgr.exe
        C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiatormgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3356
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3356 -s 588
          4⤵
          • Program crash
          PID:5056
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3356 -ip 3356
    1⤵
      PID:4272

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiator.exe

      Filesize

      220KB

      MD5

      e6f26494bbcfd64b8a344d3ef4fc9852

      SHA1

      899998d47dcf58cfdf2993a38cf248fc8974b296

      SHA256

      5788b5a23b5cde063805ad7974d35f7c22d34d28828eeeb5cacafd681e71f67f

      SHA512

      58c0310dc2efb5ea0d436159d0884d9e7e8bad4f20c78f6e0e82c33913dc91d19b000cbcc6293af8e0f5ee8ff1edb3eeaedbd92eb64d552b76dd4c77faa52559

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiator.exe

      Filesize

      220KB

      MD5

      e6f26494bbcfd64b8a344d3ef4fc9852

      SHA1

      899998d47dcf58cfdf2993a38cf248fc8974b296

      SHA256

      5788b5a23b5cde063805ad7974d35f7c22d34d28828eeeb5cacafd681e71f67f

      SHA512

      58c0310dc2efb5ea0d436159d0884d9e7e8bad4f20c78f6e0e82c33913dc91d19b000cbcc6293af8e0f5ee8ff1edb3eeaedbd92eb64d552b76dd4c77faa52559

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiator.ini

      Filesize

      3KB

      MD5

      98849d0de2f28b65ae07fe8b128286ab

      SHA1

      ba90d19afe009511265bb687eabf72717ece35eb

      SHA256

      d3bdbf7e32f9e6c3d4669f07df4a401582742ba9a4f0d3fb0592539408869cd6

      SHA512

      1fb6a20004736523ec99468944580cd6285b95a3080f8cf373082d9fb7f7c7cbf06c15ed00bb7e0aacafae5d0335ec159507f37d23de8c9ea89c14e82cba4231

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiatormgr.exe

      Filesize

      106KB

      MD5

      fe36fb1073e6f8fa14d7250501a29aaf

      SHA1

      6c7e01278362797dabcff3e666b68227cb9af10f

      SHA256

      f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

      SHA512

      8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\gladiatormgr.exe

      Filesize

      106KB

      MD5

      fe36fb1073e6f8fa14d7250501a29aaf

      SHA1

      6c7e01278362797dabcff3e666b68227cb9af10f

      SHA256

      f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

      SHA512

      8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

    • C:\Users\Admin\AppData\Local\Temp\~TM4E4A.tmp

      Filesize

      1.6MB

      MD5

      4f3387277ccbd6d1f21ac5c07fe4ca68

      SHA1

      e16506f662dc92023bf82def1d621497c8ab5890

      SHA256

      767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

      SHA512

      9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

    • memory/3216-135-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3216-144-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3356-141-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/3356-142-0x0000000000500000-0x000000000052A000-memory.dmp

      Filesize

      168KB

    • memory/3356-143-0x00000000774A0000-0x0000000077643000-memory.dmp

      Filesize

      1.6MB