Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2024 19:31

General

  • Target

    2024-12-12_a1dfd07a6554890ad8fca1938f61c937_avoslocker_cobalt-strike_floxif_luca-stealer.exe

  • Size

    461KB

  • MD5

    a1dfd07a6554890ad8fca1938f61c937

  • SHA1

    c0b42d4136eb4fe3f18cdda001bfe9270f8be8fc

  • SHA256

    0b7afe023e964eadb28c88d358eaef0ed083a3ede1a38580fe60c144c9068e13

  • SHA512

    53b94accb1a2c23cd249aa167e862b9ab67dcdf35728f3b8fabe2130764ecf2438cda7618c5e60c0235a9ab38481ca12839170cca8920452c53bbea1c97b46d5

  • SSDEEP

    12288:SJRL3U2b6U38Y9de3ANbCS0Z8MfsVqrxenVWqqPIBONhxs8hmhSBjvrEH75:SJRL3Lp9dNNbCiMfsVi1/xs8hmCrEH75

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 1 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\2024-12-12_a1dfd07a6554890ad8fca1938f61c937_avoslocker_cobalt-strike_floxif_luca-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-12_a1dfd07a6554890ad8fca1938f61c937_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:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5KB

    MD5

    a3b19f3bf2ed447372a1588641b6a8dd

    SHA1

    7fb1c21337cc93517537adb43078be29c56e6b9f

    SHA256

    5aa2ea87bceaaf96e292b170c3d743b3d8e1b35f2a98774dc436bf38b55ff47c

    SHA512

    6990918c99050406b8bc6c648de26b8db08cf873855d54716a65b9af040425651d4d2427b3ff0a6d232c04c0cb8e632fcc470aaa32adf5bd0e03f8ad90d8cea3

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2148-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2148-60-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2148-59-0x0000000001310000-0x0000000001376000-memory.dmp

    Filesize

    408KB