Analysis

  • max time kernel
    150s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 23:28

General

  • Target

    65bc70e369338d9ca36e58a157ab57e4e1dc6834e27eb77a81cf7394984d6fe0.exe

  • Size

    3.9MB

  • MD5

    06d20bb7d22bbf4a6429c1e41fe8626c

  • SHA1

    18deaacafa7009748e81bb40127b7188ca754fd8

  • SHA256

    65bc70e369338d9ca36e58a157ab57e4e1dc6834e27eb77a81cf7394984d6fe0

  • SHA512

    9669f60d4d89677ce744948c42165f5db205dece50507b42402b32a8146238b1339120ed6bf21fc410a28ea7da329213b9f2f6402ed3bc06e2abfd707f9ea8ec

  • SSDEEP

    98304:9HZtJZnyRKlcogQbTnp+eOc2uqfax8bOPScBxa+n0t+U:bvZnyRKlVgQb7pfOc2uqfambOPnEKI

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 25 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 use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65bc70e369338d9ca36e58a157ab57e4e1dc6834e27eb77a81cf7394984d6fe0.exe
    "C:\Users\Admin\AppData\Local\Temp\65bc70e369338d9ca36e58a157ab57e4e1dc6834e27eb77a81cf7394984d6fe0.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
    • Suspicious use of SetWindowsHookEx
    PID:2792
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x51c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2448

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\A1D26E2\3717B4CAE8.tmp

    Filesize

    3.8MB

    MD5

    c7024202e24979fcdce4d87648dbd14d

    SHA1

    389384c1a3d1e52fb050313bf77367ae9b52d93f

    SHA256

    2837a7537ac9a4d74883901af326e799afd37c58fbf059cf783bf2c35599e275

    SHA512

    5f4cd0e1379cf21766615a9e4ebbf1640ba8bce694b59ffe6181ee11e3e2ce49f8bca0ab00c61ea9f66c91ad28ad92585fd2f52854171f74653b0a0949c7f8a2

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2792-1345-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-309-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-308-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-418-0x0000000076046000-0x0000000076047000-memory.dmp

    Filesize

    4KB

  • memory/2792-509-0x0000000076040000-0x0000000076075000-memory.dmp

    Filesize

    212KB

  • memory/2792-679-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-680-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-732-0x0000000076040000-0x0000000076075000-memory.dmp

    Filesize

    212KB

  • memory/2792-1006-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-1005-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-1346-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-273-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-1687-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-1688-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-2024-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2792-2023-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-2364-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-2700-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-3035-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-3371-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-3711-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-4050-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-4381-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2792-4716-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB