Analysis

  • max time kernel
    118s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 06:27

General

  • Target

    ea48d90150e1a752fbcfcf1fef6e3260N.exe

  • Size

    1.6MB

  • MD5

    ea48d90150e1a752fbcfcf1fef6e3260

  • SHA1

    50f5c754050e70866f4409a51c2fe35cd7241b44

  • SHA256

    d44a2b42fde45b06644c7c0bc830aa8fdd16615b8e9cd7ba2a55115d344bffac

  • SHA512

    d44c8073343688eef3e55b80efbc9f504e9792b11b58c31169bcb3f0aa10cc8c680395a56a1dc365d36393f4984b18a0fde938479497b5e0c5024c2bfac89972

  • SSDEEP

    24576:/65CkAKLY1ZQWEHTviCal7hmAUA/JVjrEH7Gb:/ACv216HlgAUA/Jnb

Malware Config

Signatures

  • 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
  • UPX packed file 9 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea48d90150e1a752fbcfcf1fef6e3260N.exe
    "C:\Users\Admin\AppData\Local\Temp\ea48d90150e1a752fbcfcf1fef6e3260N.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:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • C:\Users\Admin\AppData\Local\Temp\ultravnc.ini

    Filesize

    810B

    MD5

    a6aee9e4a6207e39fd56f886f0118448

    SHA1

    22b69fac89ef682e1b79dc769f61a73aac161710

    SHA256

    dda97949e4f752a4aa3fd266a8dc88d1cf71ed904d5af134dacaa1e580957e66

    SHA512

    a1ecfa5da966481b069d33d684bf8d74e81f1c205c6ba359becd44b05f92572966dbb2d8732324a0d27361c8086e003093afd0395ca5235a1257ad43ff06f553

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2260-57-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-59-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2260-159-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-213-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-262-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-5-0x000000000048F000-0x0000000000492000-memory.dmp

    Filesize

    12KB

  • memory/2260-362-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-462-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2260-659-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB