Analysis

  • max time kernel
    117s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 17:16

General

  • Target

    87e78de4bb103e9876e6caf8e77e21f0N.exe

  • Size

    313KB

  • MD5

    87e78de4bb103e9876e6caf8e77e21f0

  • SHA1

    9d4dc0883a41d54ad493d145a4ba095e85b06c62

  • SHA256

    80d29096da8b75487f2884aba881bb85aed905b9f5bafddb6fb067fe6547b4be

  • SHA512

    db6b135e827058b2631575aabf180bdf4f4bbf7a4b768ffe1533b12686db33f67ae94ba7bac4fb9d85a12f4414eabef8c9058eee35605309cb576f8e30fd2c38

  • SSDEEP

    6144:jb0lhY3hu4YLGMDQQJSUOP3J4Jcz42JsrhMSPHZobZR7j2GtBV+UdvrEFp7hKOS1:8nVSUcKY4lYZ5j2GtBjvrEH7NS1

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 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.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:3592

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

  • C:\Users\Admin\AppData\Local\Temp\nsqAD3A.tmp\InstallOptions.dll

    Filesize

    12KB

    MD5

    08c82a46416a5e2b471d457968f53816

    SHA1

    3e3897c20b9e89b279b4764a633f67955bf8f09a

    SHA256

    435baf3b7282c9110697a4916834ef9371dd29fae6b4cb8e19c19eb126562dc9

    SHA512

    91e2055b91d04b2348a923cb298ac6ba3637de5038dc4f849c4d2f1665d17de9cd6eb6a97d42d0f894d65348c8fd8e79cd61b667ea5a78e8960347e8cc8db81d

  • C:\Users\Admin\AppData\Local\Temp\nsqAD3A.tmp\ioSpecial.ini

    Filesize

    678B

    MD5

    f4f843a819e9cf8293b0c12f69778fb7

    SHA1

    a96eab46d652672b5f469f4b90ff6c63cc088593

    SHA256

    e98c1e393eeffd6a07779f9d75964f0d160bdd830d2717bd820e1dfca800384e

    SHA512

    ad85eaccd8345bc43af325a2ea5ba548fcd56dca1f8680ae7578265a9071d5e2845fa8b40b6348d6d6661aebe09669b50f50b958d9ea9b748ddc8c1ad3b79f07

  • memory/3592-96-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3592-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/3592-1-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/3592-99-0x0000000000403000-0x0000000000404000-memory.dmp

    Filesize

    4KB

  • memory/3592-100-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3592-101-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3592-106-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3592-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3592-111-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3592-117-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB