Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 01:45

General

  • Target

    2024-12-10_78f19ebb268c79a6b5dd2ab2791e082e_floxif_mafia.exe

  • Size

    272KB

  • MD5

    78f19ebb268c79a6b5dd2ab2791e082e

  • SHA1

    adf0c302213ac2e5363c304dd75735a4ed1334cf

  • SHA256

    6ae23bcc02f4bb2b2d66cda9a0760296d8f11e2b3a72a5144c54a72476bdcb5d

  • SHA512

    30f86f33698d5b80fbfeffea7bacd69cc723f0b255a1800bdaac4ec11271dbab38cad93e53e32939d0cb942693c39f277c5993c7249b6d18242b26016912ebeb

  • SSDEEP

    6144:2UHNlyIxgMgDRkTEUET+l2AbpLk0cusQvMRlkM4RD/qzMfU/:PtlakT1KG2qk0nMRGM4h/qofi

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
  • 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.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 7 IoCs
  • Network Service Discovery 1 TTPs 7 IoCs

    Attempt to gather information on host's network.

  • UPX packed file 15 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 6 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-10_78f19ebb268c79a6b5dd2ab2791e082e_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-10_78f19ebb268c79a6b5dd2ab2791e082e_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1944
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 40-4b-43-33-6b-7b
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 7a-88-57-c6-4a-28
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
    • C:\Windows\SysWOW64\arp.exe
      arp -s 49.12.169.207 f6-9c-63-2a-83-81
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3020
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 44-a6-b4-45-e4-c8
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.251 b4-1f-7d-74-47-7d
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 c6-e2-af-1e-db-76
      2⤵
      • Network Service Discovery
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

  • memory/1944-7-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/1944-9-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2260-17-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2260-24-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-12-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-10-0x00000000010C0000-0x00000000010F2000-memory.dmp

    Filesize

    200KB

  • memory/2408-3-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2780-14-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2780-26-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2892-30-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2892-32-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2960-20-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2960-29-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/3020-18-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/3020-22-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB