Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 06:33

General

  • Target

    89067d7926507a58c377b7690fcb0950N.exe

  • Size

    1.3MB

  • MD5

    89067d7926507a58c377b7690fcb0950

  • SHA1

    d8e253ac767c1ee90ad0f2e9193794bddd77a3f2

  • SHA256

    2c484a04a3681dee4f36459fc9ce5959cf2cdc8b859f1c35ea2abaa234fb2961

  • SHA512

    d8d4259a9f8012f9e7737a133632e4f3a9898314d37e2cd0e724745ce7872b31a247cf4d0e17ede4d260fd470ffa6871bbe97e0db8e6687c893d56426ccb16c2

  • SSDEEP

    24576:cAiZMV/1db5Agw/qpQLPrPu6VCs7LdCt6JMoM4W+fR+hNqrEH7+:lyP2WLst6JMsfRAC

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 8 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 2 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89067d7926507a58c377b7690fcb0950N.exe
    "C:\Users\Admin\AppData\Local\Temp\89067d7926507a58c377b7690fcb0950N.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
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\HWMonitorPro64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\HWMonitorPro64.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp

    Filesize

    416KB

    MD5

    2f13191d5f2eade9dd842ec01855610c

    SHA1

    8cb84defbb17817270074153f43bd63169feb42c

    SHA256

    6d097a250fb0c3680caffce72834882c19cf436979b1124d4eb7f17a61aab137

    SHA512

    650423080fce49328404b2dde498f0ba4875e18e17460639235531da64e74722c69c9e89c17afa697123a576e2e59a53342fbad160d89c92ef27e99a7eeb49a1

  • 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\RarSFX0\HWMonitorPro64.exe

    Filesize

    2.9MB

    MD5

    c08ebc85e0f04e9768d097733c22a9ab

    SHA1

    9264cf6638316af44d0b38052f9c9cf1a79d4712

    SHA256

    c81fbcf64c12450f74c1173aea5d443696d3297f852a177c9d862396ba0fc3a5

    SHA512

    935ce1e01a3deb201dee833884e5e961f5409f2674d9a4e70bc1dab92f1fe501701827b78ada98aee09882f400ee39629756bb52aa494e5904b38f06a3c299f9

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\hwmpro.pvk

    Filesize

    112B

    MD5

    8753a6f5df99c053299b89e8139250a4

    SHA1

    20503dcba4e1ca2e3e24c722e579196714772275

    SHA256

    5053378813c575af792ccd5942f3a0c2ed9e23c52aae90f82a2066e89c91f68b

    SHA512

    41ca8fa8aff0ca72678d9bc368a43453d1d9a0a817a03227ffea549abba789944cdbc36ee5f2beadaf4ac0a470bc3bd417aefdb34fa60a0367f29443f53e64c9

  • \Program Files (x86)\Common Files\microsoft shared\ink\tiptsf.dll.tmp

    Filesize

    416KB

    MD5

    cbb0cfe99fe1ca54335d87515d862ba3

    SHA1

    cb76865ff91152eb6c59dc15564e8959f6c85628

    SHA256

    47b3449820b22e0bb31d6d2ce607c5347483c4c68d9b493305b1d9b61774396c

    SHA512

    797b81e134daab5315dc216fe4844d6420c94da3a393a3847a858fca259560ba72c9c6fc57c5572619feddc5021467581ba087fec52394a2dd858eb17d304f66

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2232-65-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-64-0x0000000001260000-0x00000000012E5000-memory.dmp

    Filesize

    532KB

  • memory/2232-69-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-73-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-77-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-83-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2232-85-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB