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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/12/2024, 00:29

General

  • Target

    2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe

  • Size

    660KB

  • MD5

    00b52cc8898b3c6f56361824ec74461a

  • SHA1

    e5e4ff8cf1b777a05653dfd1ee9060a0c2a2d35d

  • SHA256

    e6a79ee379c24a3438e50a59360b29c57401c409403dd63b45b648899812450e

  • SHA512

    410aec9d30d24a8147b991ab7215c948bfbe77445f0cac51067b73fe414dde8a6b72e578b3f15df2a8cf956de696179a7eee59ac153b2565018b7f4da8606848

  • SSDEEP

    12288:QElbaJ26R2TZszr8jxrMnVWqqPIBONhxsUzMi4BjvrEH7G:QElbasLXX/xsUzvKrEH7G

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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-13_00b52cc8898b3c6f56361824ec74461a_avoslocker_cobalt-strike_floxif_luca-stealer.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:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\log.txt

    Filesize

    1KB

    MD5

    fdeb5a9fd8da67ed2acc0e243cd8da18

    SHA1

    152a8440b6b2306237a66b206004eeeb4bdb047c

    SHA256

    35a288b6a44f9ca3e26c87ffd3b8c50dbcebce20ef0d714c71c8a4658096c77f

    SHA512

    e0b630c78bb8987ebfe6c50600cc924d96fc7ff1e14220211c4e4f77877180549a3d1a14792c57ad46954aecca3b25d3acb4158fffebcce11aca6bcce594c3a2

  • C:\Users\Admin\AppData\Local\Temp\log.txt

    Filesize

    4KB

    MD5

    6885df6affa08f0791c0ca61f029a92b

    SHA1

    db4f64808d86101e0134c5a7db8b9da918597e06

    SHA256

    6f4691701d749c523c0dd26d538d43c26ce2f9dfad213a174a8a4b6841d03315

    SHA512

    ef772ee500be809da671e6222dd821912385e09f49cd546371ec211c6c90cbb7f81674b9581a661ce31465f004e74559878ba0fd96bfc2a8ab387b7d90da8408

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2352-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2352-60-0x0000000001380000-0x0000000001418000-memory.dmp

    Filesize

    608KB

  • memory/2352-62-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB