Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 19:51

General

  • Target

    10182596b5a604799153f61b14cc8b5e2884451b7ccd4029ef712f5020ab799c.exe

  • Size

    991KB

  • MD5

    6cc49e3331d7624a34489c6fc49763cd

  • SHA1

    7e8253b41ee65ac093d5725c03ef438feab8fdd5

  • SHA256

    10182596b5a604799153f61b14cc8b5e2884451b7ccd4029ef712f5020ab799c

  • SHA512

    c2a7d84d92fdb493c4ee0d102cb342d1c2a53d481079cbb0b885372447369164f6137e89a531a6c414e20e41c8e23f3836f5dd5557c89bbdbf55334dcd69298a

  • SSDEEP

    24576:FwYshdjnJM+r/1zcCxzN1r1DBnCpjajS7AoKVrEH7oD:F7u3RojaO7AoG

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 2 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 10 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10182596b5a604799153f61b14cc8b5e2884451b7ccd4029ef712f5020ab799c.exe
    "C:\Users\Admin\AppData\Local\Temp\10182596b5a604799153f61b14cc8b5e2884451b7ccd4029ef712f5020ab799c.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
    • Suspicious use of SetWindowsHookEx
    PID:3040
  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" /AUTOMATION -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll.000

      Filesize

      175B

      MD5

      1130c911bf5db4b8f7cf9b6f4b457623

      SHA1

      48e734c4bc1a8b5399bff4954e54b268bde9d54c

      SHA256

      eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

      SHA512

      94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

    • \Program Files (x86)\Microsoft Office\Office14\ppcore.dll.tmp

      Filesize

      9.3MB

      MD5

      b5a00c039ccda89c0748c154214e9f38

      SHA1

      182581e3fdf7ca6eebcf05007169802c1445c577

      SHA256

      af1ba378044806664d4afeeedf6078106979bc7843513f05969a6e2ef4add56c

      SHA512

      90b83228e69a2a38fba8089a454fc0d7e27c2eeba32b4a9c652dc1f873ed786af65a7d5939658ce7c406b2eede49ba5dcf5c11fce042e144ed26d2abe72af121

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

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • memory/2816-22-0x000000007241D000-0x0000000072428000-memory.dmp

      Filesize

      44KB

    • memory/2816-7-0x000000002D041000-0x000000002D042000-memory.dmp

      Filesize

      4KB

    • memory/2816-8-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2816-9-0x000000007241D000-0x0000000072428000-memory.dmp

      Filesize

      44KB

    • memory/3040-19-0x0000000000400000-0x00000000004EF000-memory.dmp

      Filesize

      956KB

    • memory/3040-24-0x0000000076776000-0x0000000076777000-memory.dmp

      Filesize

      4KB

    • memory/3040-18-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-0-0x0000000000490000-0x0000000000491000-memory.dmp

      Filesize

      4KB

    • memory/3040-20-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-6-0x0000000000400000-0x00000000004EF000-memory.dmp

      Filesize

      956KB

    • memory/3040-23-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-17-0x0000000000490000-0x0000000000491000-memory.dmp

      Filesize

      4KB

    • memory/3040-27-0x0000000076770000-0x00000000767A5000-memory.dmp

      Filesize

      212KB

    • memory/3040-28-0x0000000076770000-0x00000000767A5000-memory.dmp

      Filesize

      212KB

    • memory/3040-31-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-34-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-37-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-40-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3040-46-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB