Analysis

  • max time kernel
    114s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 00:18

General

  • Target

    950bd4818ae1dde66a42d40f4f1d2740N.exe

  • Size

    1.9MB

  • MD5

    950bd4818ae1dde66a42d40f4f1d2740

  • SHA1

    98cf21286d54e75261eec3159d264318f95b953c

  • SHA256

    4f3ab2ad92500121ccdfabcc9f95b42a6792672d72b3a4624fbbe79bec8b7018

  • SHA512

    797d55ae939e9e0890e460a178991ef72ba143058874efbf0537f74fe9b00d5505f90f8751f8cecb13e57b1ac32464cb12e33f6b32900b96f8e856b505312999

  • SSDEEP

    49152:UMrvRF2dhw1n+Rep+2l2zWqKtzaE3OIvCdefWTOKJ/Y:/bRFI61nfp7l5qmdvxuThA

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.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 22 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
  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\950bd4818ae1dde66a42d40f4f1d2740N.exe
    "C:\Users\Admin\AppData\Local\Temp\950bd4818ae1dde66a42d40f4f1d2740N.exe"
    1⤵
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2972

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\Roaming\uTorrent\settings.dat.old

    Filesize

    7KB

    MD5

    bdf6c5c3e580c84cfd3ecc1d6000e4da

    SHA1

    6319be7fa450df75e84f8b0be0097f2f6d0a4c6b

    SHA256

    4f1f4ee4a49a82aa47ca1ee6639ee0b3ce4173427f46d992d93268dcc06134b2

    SHA512

    2f0debafc40c02548058cc20043074c90a16320de840ca964475245049612771b4145555d1f675e5a9a435c2b9139b9b885867bd77d6f58b60def9f41bd6e363

  • C:\Users\Admin\AppData\Roaming\uTorrent\toolbar.benc.new

    Filesize

    231B

    MD5

    1cda5503e74f672c3affe109b6bde393

    SHA1

    514283a5b5cf53c218ce4d53b1a8d38d4f2a9667

    SHA256

    ffe5bcba6dac90958524e5b4ba06e0a03707a46cbf7d92af505ca77a61dc8967

    SHA512

    fa5f127bfb79564a4f37dbf4fdf4a044b916d12caebbcce1347901467dfd89bc06c07a754fcc4354db5fd0c2246c313b30a9542fb2aadebcc3cd2d8d4ef67066

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2972-33-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-52-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-35-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-3-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-37-0x0000000075716000-0x0000000075717000-memory.dmp

    Filesize

    4KB

  • memory/2972-38-0x0000000075710000-0x0000000075745000-memory.dmp

    Filesize

    212KB

  • memory/2972-39-0x0000000075716000-0x0000000075717000-memory.dmp

    Filesize

    4KB

  • memory/2972-41-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-40-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-42-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-46-0x0000000075710000-0x0000000075745000-memory.dmp

    Filesize

    212KB

  • memory/2972-48-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-47-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-32-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-51-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-56-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-55-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-61-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-60-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-65-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2972-64-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-66-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-68-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB

  • memory/2972-70-0x0000000000400000-0x00000000008E1000-memory.dmp

    Filesize

    4.9MB