Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 16:05

General

  • Target

    3538d9bc2bd41d063b30117348abe0a17d4676c985e2f8d4ce1ce292d5424c3c.exe

  • Size

    554KB

  • MD5

    0c8c7d5fa3ff668f7a2c0122908c42dd

  • SHA1

    3ddd019f39f48d9850987ed5c6f5b89a12f2f726

  • SHA256

    3538d9bc2bd41d063b30117348abe0a17d4676c985e2f8d4ce1ce292d5424c3c

  • SHA512

    75cbec22085e026d3668638c1a3646a7feaa73f69b6d5eec0582db09e38b9324969166851b5f136ac135eab2ca6e822d5225589adcf3b8b2ea015bbee81b50f3

  • SSDEEP

    12288:KN58fsMMSsMMfBvMcsCMcs/FSaUFRFmALnqyQtG4cR1Mq5JIPBjvrEH7U:K/8fsMMSsMMfBvMcsCMcs/fUFRF38tjD

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 3 IoCs

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

  • Drops file in Program Files directory 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3538d9bc2bd41d063b30117348abe0a17d4676c985e2f8d4ce1ce292d5424c3c.exe
    "C:\Users\Admin\AppData\Local\Temp\3538d9bc2bd41d063b30117348abe0a17d4676c985e2f8d4ce1ce292d5424c3c.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:1192

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\mass.dat

    Filesize

    620B

    MD5

    031378b28c596306f53c7a96a16f5c06

    SHA1

    f20d752a467ac805f032bdceae33c38802ba6872

    SHA256

    374b91d33a34753edae41f73631e3eb9db21b99ae93d2a11f28a816f3a65988d

    SHA512

    b0ef0095af1dbf8dc398ba05f9c816dc45704b966c617bef6ec9afc197fb34bcdf70e3086376f0555b6ede0e21d69c296814457e47684f63f9ff3f2aa2f35ae9

  • memory/1192-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1192-5-0x000000000043D000-0x0000000000440000-memory.dmp

    Filesize

    12KB

  • memory/1192-23-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1192-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1192-32-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB