Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2023, 14:27

General

  • Target

    2b1efce3ecc8a422418d30a14805b5a9_floxif_mafia_JC.exe

  • Size

    2.6MB

  • MD5

    2b1efce3ecc8a422418d30a14805b5a9

  • SHA1

    80ab97d722937745640dd5847d4e9e4b245b8185

  • SHA256

    9753d7bccc7953bfe4bd2e4ab1570cb815ff8c8a85c164cf8454cfb05ccf45a7

  • SHA512

    fbc7131cd79120c0dda4657675eeff65d53a739d0263ac23865c4c836238b296b8d183d509aa20590bb2d8b1fa30998c14c39e9a4b5d6eb3ddf21668b853bbc4

  • SSDEEP

    49152:Kw6c5LN7VSjOmZ1viy920yqWlPlF3RyU9nxvG3bQLf9jFiEd2IRm0Smz4hJw:Yc5LN7CHZAy92iWlPlF3RyU9nhGkf/fd

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b1efce3ecc8a422418d30a14805b5a9_floxif_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2b1efce3ecc8a422418d30a14805b5a9_floxif_mafia_JC.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 680
      2⤵
      • Program crash
      PID:868
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3912 -ip 3912
    1⤵
      PID:2296

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • memory/3912-137-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3912-143-0x0000000000180000-0x0000000000414000-memory.dmp

      Filesize

      2.6MB

    • memory/3912-145-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB