Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 14:47

General

  • Target

    25e48776bb8932501ea8ccb41b7d07aaf88f0eb6f0506d2020fac4ac16128bfc.exe

  • Size

    1.5MB

  • MD5

    e546b246a0d9137d17fa529a95134b0e

  • SHA1

    e683759f78e421cc8a383cbb5518bcbf487165e7

  • SHA256

    25e48776bb8932501ea8ccb41b7d07aaf88f0eb6f0506d2020fac4ac16128bfc

  • SHA512

    dbbcd3c32029b51a21d25943517d13bf3b8bc4a1e4e3f0b2049a66927dffb517abe08a6c3fd4b538fe737543c8b156c52e2ae85fe8ecb0ced846b729a89d3e51

  • SSDEEP

    24576:B/WD+nDKdmWr4qt9voQ7ayJ1UNeZ5ZTyXOmScQ3mWn+SkirkN46LG/LP3nrEH73:++nDsmWMqt9AmZ20D+SA3LOfm

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25e48776bb8932501ea8ccb41b7d07aaf88f0eb6f0506d2020fac4ac16128bfc.exe
    "C:\Users\Admin\AppData\Local\Temp\25e48776bb8932501ea8ccb41b7d07aaf88f0eb6f0506d2020fac4ac16128bfc.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1408 -s 692
      2⤵
      • Program crash
      PID:2156
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1408 -ip 1408
    1⤵
      PID:3632

    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.000

      Filesize

      175B

      MD5

      1130c911bf5db4b8f7cf9b6f4b457623

      SHA1

      48e734c4bc1a8b5399bff4954e54b268bde9d54c

      SHA256

      eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

      SHA512

      94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

    • memory/1408-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1408-17-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1408-15-0x0000000000400000-0x000000000057A000-memory.dmp

      Filesize

      1.5MB

    • memory/1408-23-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1408-29-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1408-41-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1408-51-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB