Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 08:36

General

  • Target

    Trojan.Win32.Floxif.dll

  • Size

    76KB

  • MD5

    5b1da6edb6302bc17946d43ad1acfbb0

  • SHA1

    f061d19bcc0e7662727b3383876013bc5385b177

  • SHA256

    7dab21bec74793fb2e985aaa3e6347981b189a3cd3c68420c7c7f8c848c7dcd9

  • SHA512

    de9f4969915cb219c67700e7fd5324e10e270dc632ee71c0206def8a94afa8fc101b14f26f3dbd15b0cc1fc01c522985ffcd52651ed425a1f98470c6885626f1

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/ONsb:c8y93KQjy7G55riF1cMo03dgi

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

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

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 332
        3⤵
        • Program crash
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2896-0-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-1-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB