Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2023 19:00

General

  • Target

    NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe

  • Size

    3.5MB

  • MD5

    bc2969a32a8e1bbe43164da7c0862a07

  • SHA1

    b437bab308654f20dbc2315aca48f9ed6bbc6db3

  • SHA256

    edf60f78ba6df5042238de412846e56dfd62797471f1355b849543fd4a26d63d

  • SHA512

    f6dbcc4145be4d4cd96daed02ec70101ba236087ee1dd83a5367893e73ccee12632165fd59bc9fbb7b529a38ccb5ce50e323d59f04e2fb545da05de57c4b482b

  • SSDEEP

    49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5NB:MT9lRIBWuBhBgqrSeuXkurUjbjbB

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies registry class 37 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Program Files\TysxClient_setup_2.0.107.exe
      "C:\Program Files\TysxClient_setup_2.0.107.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c regsvr32 /s ds.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3028
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32 /s ds.dll
          4⤵
          • Loads dropped DLL
          • Modifies registry class
          PID:2844
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
      2⤵
        PID:2888

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\TysxClient_setup_2.0.107.exe

      Filesize

      1.3MB

      MD5

      33d529127707cf47856c60c44d6ca585

      SHA1

      ac9df8cc473ed595e53832ee3025e4a455283511

      SHA256

      fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

      SHA512

      6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

    • C:\Program Files\TysxClient_setup_2.0.107.exe

      Filesize

      1.3MB

      MD5

      33d529127707cf47856c60c44d6ca585

      SHA1

      ac9df8cc473ed595e53832ee3025e4a455283511

      SHA256

      fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

      SHA512

      6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

    • C:\Users\Admin\AppData\Local\Temp\ds.dll

      Filesize

      804KB

      MD5

      c578b6820bda5689940560147c6e5ffc

      SHA1

      922e50d89c9c44bdc205ef17aa57212b64e58852

      SHA256

      3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

      SHA512

      9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

    • C:\WINDOWS\Media\ActiveX.ocx

      Filesize

      12B

      MD5

      4eb029182c05333f33b3457560cfb3a3

      SHA1

      962eb965990436ac53cc5a7e6bc393f0a5326d5a

      SHA256

      bfee6dff834a73d234f4ea4eabe150260cf1135f05aefbf4b7145f0dfb98b3d4

      SHA512

      2671446d9f305f4f444966072c28d22236330858be04ef85f4c4bf1f3b27da0a5e47b2b79f08fc7c1f7287aa5b6cf1905a7dd2fa9497e3a7f59876d27dabb219

    • \Program Files\TysxClient_setup_2.0.107.exe

      Filesize

      1.3MB

      MD5

      33d529127707cf47856c60c44d6ca585

      SHA1

      ac9df8cc473ed595e53832ee3025e4a455283511

      SHA256

      fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

      SHA512

      6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

    • \Users\Admin\AppData\Local\Temp\ds.dll

      Filesize

      804KB

      MD5

      c578b6820bda5689940560147c6e5ffc

      SHA1

      922e50d89c9c44bdc205ef17aa57212b64e58852

      SHA256

      3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

      SHA512

      9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

    • \Users\Admin\AppData\Local\Temp\ds.dll

      Filesize

      804KB

      MD5

      c578b6820bda5689940560147c6e5ffc

      SHA1

      922e50d89c9c44bdc205ef17aa57212b64e58852

      SHA256

      3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

      SHA512

      9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

    • memory/1368-63-0x0000000002390000-0x000000000262E000-memory.dmp

      Filesize

      2.6MB

    • memory/1368-58-0x0000000002390000-0x000000000262E000-memory.dmp

      Filesize

      2.6MB

    • memory/2624-85-0x0000000000400000-0x000000000069E000-memory.dmp

      Filesize

      2.6MB

    • memory/2624-64-0x0000000000400000-0x000000000069E000-memory.dmp

      Filesize

      2.6MB

    • memory/2624-60-0x0000000000400000-0x000000000069E000-memory.dmp

      Filesize

      2.6MB

    • memory/2624-91-0x0000000010000000-0x0000000010176000-memory.dmp

      Filesize

      1.5MB

    • memory/2624-98-0x0000000003140000-0x0000000003141000-memory.dmp

      Filesize

      4KB

    • memory/2624-103-0x0000000000400000-0x000000000069E000-memory.dmp

      Filesize

      2.6MB

    • memory/2624-104-0x0000000010000000-0x0000000010176000-memory.dmp

      Filesize

      1.5MB

    • memory/2844-89-0x0000000010000000-0x0000000010176000-memory.dmp

      Filesize

      1.5MB