Analysis

  • max time kernel
    116s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 22:19

General

  • Target

    7e57b18704b36d9a048cedd62be3b3f0N.exe

  • Size

    256KB

  • MD5

    7e57b18704b36d9a048cedd62be3b3f0

  • SHA1

    7afe81fd058883797ccadf922b87842d7771265c

  • SHA256

    c7192eeb1e859d810cde77b27c1fd51f41d0bb11e198c695df0ae2886cd2cb24

  • SHA512

    b8ac2d050ca7ea9003d47d2d6188e10597981dd802f7abd2406bf4dda6019d57a5d67524ab7e1fb5950abec2034af6bda66415932776bd585af8768593fa7eea

  • SSDEEP

    3072:WB+iGg3inS7e8VdQwmzQNcthJSKkpxj3yVf6Iu2lQBV+UdE+rECWp7hKADp:WBJynRqQIkV2BV+UdvrEFp7hKAd

Malware Config

Signatures

  • 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 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Drops file in Program Files directory 5 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e57b18704b36d9a048cedd62be3b3f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\7e57b18704b36d9a048cedd62be3b3f0N.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:2204

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

  • \PROGRA~2\MICROS~1\Office14\GROOVEEX.DLL.tmp

    Filesize

    4.1MB

    MD5

    51f32e8ae2cef185fbb7441ccf697c0d

    SHA1

    7ac4b30b20db5ed73e99235bdd7a8556b5eeeaf8

    SHA256

    8abede0fbf07df73f5bdb09c3c012e471bee34824f9a97decf053d67dabe03f5

    SHA512

    045e072cd4112f6668abebea60f39498ba9e2aabd15a0dd9448434789c4321a5c47f1bcf7daa3dbb836af3ee4d260c09df82a34ec3af740a8cfb5dd671a115e0

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2204-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-6-0x0000000000408000-0x000000000040C000-memory.dmp

    Filesize

    16KB

  • memory/2204-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2204-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2204-17-0x0000000073800000-0x0000000073C0B000-memory.dmp

    Filesize

    4.0MB

  • memory/2204-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-23-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2204-40-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB