Analysis

  • max time kernel
    95s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 04:52

General

  • Target

    0a0001eaf7a533c3f3d81627eacb9f00N.exe

  • Size

    1014KB

  • MD5

    0a0001eaf7a533c3f3d81627eacb9f00

  • SHA1

    95599af28103bcdea621990ce0bd3ef2603230d1

  • SHA256

    467f7b81e6ca837a3bd6256337cecc0041081356321f688d60fe718abf8146cc

  • SHA512

    0e756c91da29dbce6dea1648246f3b780f1e7d2d0b5b7ae344767eef359db7a05bb056694a42273b37adc5c22c3190528e8e737f55bf0542f9cc8e227eda33ae

  • SSDEEP

    24576:GMbYBJ1KZtRByBzbyguaBcTFD7J37ZE5DrEH7u:ePctRBk9/iT1J37q57

Malware Config

Signatures

  • 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 5 IoCs
  • UPX packed file 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a0001eaf7a533c3f3d81627eacb9f00N.exe
    "C:\Users\Admin\AppData\Local\Temp\0a0001eaf7a533c3f3d81627eacb9f00N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 1284
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 832 -s 1292
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4268
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 832 -ip 832
    1⤵
    • Loads dropped DLL
    PID:1604
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 832 -ip 832
    1⤵
    • Loads dropped DLL
    PID:4644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    164KB

    MD5

    befb14777e65cc1471e8033f626c3918

    SHA1

    5c188e9f352195d8e4ec98ccfd0b383ba31c47f7

    SHA256

    7ee003496c7b442fbaa7ab958c0a431f4e7bd2cf3c3b9aeca52e9e3997f63f31

    SHA512

    e4fbd1e2ae376f999e01af60c0f789fa528bb5e4450cc36d6426b849fb5ae95539b5e6b566d7270ad6a4bb3f72c4a85b787af1c8d3cd59c62fc7a6e6b7bcc82e

  • memory/832-1-0x0000000000CCE000-0x0000000000CCF000-memory.dmp

    Filesize

    4KB

  • memory/832-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/832-7-0x0000000000C80000-0x0000000000D6E000-memory.dmp

    Filesize

    952KB

  • memory/832-19-0x0000000000C80000-0x0000000000D6E000-memory.dmp

    Filesize

    952KB

  • memory/832-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB