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Analysis

  • max time kernel
    145s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/01/2025, 06:50

General

  • Target

    e2bb8d36fd9068609d880f43ce57a96e06f14b4c6ec57e8b4e935d56f47ee559.exe

  • Size

    468KB

  • MD5

    312ae203611722f22b1ec2e5e8e5402a

  • SHA1

    a31a89b3f8bf144668f7cfc77305fdf08b1b1073

  • SHA256

    e2bb8d36fd9068609d880f43ce57a96e06f14b4c6ec57e8b4e935d56f47ee559

  • SHA512

    e5d98a6bebfbcc8bda5c602df990e165418a73c3b4840e2d32fe17d54553a37068c9dca9e8195e839521660178e7e825e86752337758c61134123dfadf91d8d3

  • SSDEEP

    12288:pozGdX0M4ornOmZIzfMwHHQmRRtZqTiBjvrEH7g:p4GHnhIzf6ErEH7g

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
  • 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 12 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2bb8d36fd9068609d880f43ce57a96e06f14b4c6ec57e8b4e935d56f47ee559.exe
    "C:\Users\Admin\AppData\Local\Temp\e2bb8d36fd9068609d880f43ce57a96e06f14b4c6ec57e8b4e935d56f47ee559.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2900-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-6-0x00000000009B3000-0x00000000009B4000-memory.dmp

    Filesize

    4KB

  • memory/2900-15-0x00000000008D0000-0x00000000009C0000-memory.dmp

    Filesize

    960KB

  • memory/2900-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-0-0x00000000008D0000-0x00000000009C0000-memory.dmp

    Filesize

    960KB

  • memory/2900-22-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-30-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-38-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB