Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 18:00

General

  • Target

    20240913f8d943c97cdaf0ff4a0816f6a3453e4bfloxifpoetratsnatch.exe

  • Size

    16.2MB

  • MD5

    f8d943c97cdaf0ff4a0816f6a3453e4b

  • SHA1

    69d374c7101cf8865e0d9150ad20d354d715a923

  • SHA256

    17af001335e19e2591951ea747e6c060b98e3b7e24d19a2d31b52387c02997b0

  • SHA512

    11c58037c40567913cd611510f3e7b90cf35286336f5695375c5d5b30cd8519cb51150d355fc66f514fba37fed68fc876a6bfcb7b9510240881bdb9f732a41d8

  • SSDEEP

    196608:CMBH+XuthlRfDUJakzZxeFRY2A25qCzBgxS+lKS4+:NYq4kCZYF62pg0+cS4+

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 7 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240913f8d943c97cdaf0ff4a0816f6a3453e4bfloxifpoetratsnatch.exe
    "C:\Users\Admin\AppData\Local\Temp\20240913f8d943c97cdaf0ff4a0816f6a3453e4bfloxifpoetratsnatch.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:3416
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4336,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4324 /prefetch:8
    1⤵
      PID:1624

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

      Filesize

      175B

      MD5

      1130c911bf5db4b8f7cf9b6f4b457623

      SHA1

      48e734c4bc1a8b5399bff4954e54b268bde9d54c

      SHA256

      eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

      SHA512

      94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

    • memory/3416-19-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3416-14-0x00000000754E0000-0x0000000075543000-memory.dmp

      Filesize

      396KB

    • memory/3416-17-0x00000000754E0000-0x0000000075543000-memory.dmp

      Filesize

      396KB

    • memory/3416-18-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3416-13-0x00000000754F5000-0x00000000754F6000-memory.dmp

      Filesize

      4KB

    • memory/3416-22-0x00000000754F5000-0x00000000754F6000-memory.dmp

      Filesize

      4KB

    • memory/3416-23-0x00000000754E0000-0x0000000075543000-memory.dmp

      Filesize

      396KB

    • memory/3416-26-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3416-2-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3416-31-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3416-37-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB