Analysis

  • max time kernel
    170s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 04:25

General

  • Target

    bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe

  • Size

    421KB

  • MD5

    6ce914cb46582678ffdf4eaba9c7fb54

  • SHA1

    cddd8251dd51ffbc7b08f61fab1ab2f194dfb254

  • SHA256

    bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd

  • SHA512

    4e259a9c8bfdcd0f1a6e54afa53d3063e6218b2e37f3bead325c705a1b2335e5910ee8d49e746dbcca98b8ce4233e32b633368783d8dc61f20c1b09838f8c40a

  • SSDEEP

    12288:ZqmpplpGoGL3etQoMiXM8gxf/Sj4yF5RkVYe99od:Z563ey8gZqj4yFIPy

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
  • UPX packed file 13 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 5 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 10 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe
    "C:\Users\Admin\AppData\Local\Temp\bd0ba0d181c0f8133810ecc1673a2565c0d55a2d89cd521a4bfceefaac0ea7cd.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\lncom.exe
      "C:\Windows\system32\lncom.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Modifies Installed Components in the registry
      • Loads dropped DLL
      • Modifies WinLogon
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\fservice.exe
        C:\Windows\system32\fservice.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Windows\services.exe
          C:\Windows\services.exe -XP
          4⤵
          • Modifies WinLogon for persistence
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Loads dropped DLL
          • Modifies WinLogon
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2900
          • C:\Windows\SysWOW64\NET.exe
            NET STOP navapsvc
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4892
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP navapsvc
              6⤵
                PID:4244
            • C:\Windows\SysWOW64\NET.exe
              NET STOP srservice
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4880
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 STOP srservice
                6⤵
                  PID:1212
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\lncom.exe.bat
            3⤵
              PID:1980
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\BD0BA0~1.EXE.bat
            2⤵
              PID:1132

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\BD0BA0~1.EXE.bat

            Filesize

            133B

            MD5

            2aacfa89d868e60ca818cdd9d0f4be14

            SHA1

            03ccf124263d883d09b4784b5524bcc87e8d56cc

            SHA256

            91e4d3689157a10f06969b157e78aebeea51706c68b0dbe6a291bd20ebe93352

            SHA512

            96cb990f0c1825b9d4bb1f2e59b24e03074dd2fc387fd6a2836449a879267d228b50dbd87d6ca46ac7a51143d1682db6e661c4252ceb692928170f513f5ce402

          • C:\Windows\SysWOW64\fservice.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\SysWOW64\fservice.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\SysWOW64\lncom.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\SysWOW64\lncom.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\SysWOW64\lncom.exe.bat

            Filesize

            99B

            MD5

            1f73e450d92934cd37c041eb3f1ff51f

            SHA1

            f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

            SHA256

            3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

            SHA512

            5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

          • C:\Windows\SysWOW64\reginv.dll

            Filesize

            36KB

            MD5

            562e0d01d6571fa2251a1e9f54c6cc69

            SHA1

            83677ad3bc630aa6327253c7b3deffbd4a8ce905

            SHA256

            c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

            SHA512

            166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

          • C:\Windows\SysWOW64\reginv.dll

            Filesize

            36KB

            MD5

            562e0d01d6571fa2251a1e9f54c6cc69

            SHA1

            83677ad3bc630aa6327253c7b3deffbd4a8ce905

            SHA256

            c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

            SHA512

            166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

          • C:\Windows\SysWOW64\reginv.dll

            Filesize

            36KB

            MD5

            562e0d01d6571fa2251a1e9f54c6cc69

            SHA1

            83677ad3bc630aa6327253c7b3deffbd4a8ce905

            SHA256

            c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

            SHA512

            166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

          • C:\Windows\SysWOW64\reginv.dll

            Filesize

            36KB

            MD5

            562e0d01d6571fa2251a1e9f54c6cc69

            SHA1

            83677ad3bc630aa6327253c7b3deffbd4a8ce905

            SHA256

            c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

            SHA512

            166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

          • C:\Windows\SysWOW64\reginv.dll

            Filesize

            36KB

            MD5

            562e0d01d6571fa2251a1e9f54c6cc69

            SHA1

            83677ad3bc630aa6327253c7b3deffbd4a8ce905

            SHA256

            c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

            SHA512

            166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

          • C:\Windows\SysWOW64\winkey.dll

            Filesize

            13KB

            MD5

            b4c72da9fd1a0dcb0698b7da97daa0cd

            SHA1

            b25a79e8ea4c723c58caab83aed6ea48de7ed759

            SHA256

            45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

            SHA512

            f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

          • C:\Windows\services.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\services.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • C:\Windows\system\sservice.exe

            Filesize

            342KB

            MD5

            0c92bc50b495f273b4cb77aaa4ee713a

            SHA1

            08d9b2a91a24c2cd99c864c34e91d66048a1ebd8

            SHA256

            b1c6c5ccbf49376bfeef34893725b9591c8599c3753e75a831e64dc0c9395d12

            SHA512

            da37cc1d340651680b2f4b473b7821acb55c3a7aa5c0b94c8d1d9b4ba9d02e58099243f13b741aae3a54a11b9203063c1aca6ecefda8890ff1dc21e2180875ec

          • memory/1664-145-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB

          • memory/1664-161-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB

          • memory/2900-147-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB

          • memory/2900-148-0x0000000010000000-0x000000001000B000-memory.dmp

            Filesize

            44KB

          • memory/2900-153-0x0000000002D81000-0x0000000002D85000-memory.dmp

            Filesize

            16KB

          • memory/2900-163-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB

          • memory/3724-146-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB

          • memory/3724-159-0x0000000000400000-0x00000000005FC000-memory.dmp

            Filesize

            2.0MB