Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 06:45

General

  • Target

    75cb2dd77bb88fac6ceed00fd367ad67f11feb52f5d174e8d5289781488c9bc4.exe

  • Size

    554KB

  • MD5

    9662b17aee6d8d2a506e5b88625aea1b

  • SHA1

    86116a4c0e1d852a21314c14f6b686e6e0fdda1a

  • SHA256

    75cb2dd77bb88fac6ceed00fd367ad67f11feb52f5d174e8d5289781488c9bc4

  • SHA512

    7c5de7040650da25a51b35150ecddcf55f55c42baf25e4a0d10d56742701b67aedde9c05b5d87ab918c128f39ddaabb26e69d25c98638c4d782ef60b7a8b9640

  • SSDEEP

    12288:dNaDfsMMSsMMfBvMcsCMcs/fkx0+RT/S1QrW5tnu3R1MZEJIXBjvrEH70d:dIDfsMMSsMMfBvMcsCMcs/M0+RT/pctz

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\75cb2dd77bb88fac6ceed00fd367ad67f11feb52f5d174e8d5289781488c9bc4.exe
    "C:\Users\Admin\AppData\Local\Temp\75cb2dd77bb88fac6ceed00fd367ad67f11feb52f5d174e8d5289781488c9bc4.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:1420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    420B

    MD5

    0b2e646d6e1ddf335a04e69eaffb6f41

    SHA1

    7f1aba2b7a6cd881150de7eb7e04ba830fc3d8dd

    SHA256

    ee79af20a3224fd72398fb67c11fd4e4a2ba80865ca5b985e1225fb57873a9c4

    SHA512

    b74bfc89c7b80dc68383d120ab5aaa8567be741a5be1eaf9d35277ce3de6c1a6b73ef0b8adf4c4b22941652af2a7fd94c42484652ce7b80048e4c6c51ca770b0

  • C:\Users\Admin\AppData\Local\Temp\mass.dat

    Filesize

    912B

    MD5

    9c15123f9f6baef05b2924800e088202

    SHA1

    089588ba31545b08ea6db2844ce2bab48f798d80

    SHA256

    7c099b33abc4cdc85443b7309d464114402fb072a903e61cf184aa1dd769822b

    SHA512

    b7218db81bbe2ddf76dfd0d2ee36385568cc5d2854eeb0af80ebefd079848b1375fa001b9db979bfec01c1abcb9fae3f7825851bc1bc12bfa100750f55d0c9aa

  • memory/1420-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1420-5-0x0000000000425000-0x0000000000428000-memory.dmp

    Filesize

    12KB

  • memory/1420-23-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1420-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1420-33-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB