Analysis

  • max time kernel
    145s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 15:41

General

  • Target

    d625e08ea0a512ccd3146febe002d5789aad85f02c429e3e2338a6c2d3e0f29c.exe

  • Size

    11.2MB

  • MD5

    b145b7212cd2db8083455b97c46d7ce0

  • SHA1

    ca0928d2ea9d23d5300c583030947693f2f28f3f

  • SHA256

    d625e08ea0a512ccd3146febe002d5789aad85f02c429e3e2338a6c2d3e0f29c

  • SHA512

    882611a610d1a1e6b86f15466879fdf28973969d921eec5fc14fbacee32c17b39463e0b8eabddcbd074a22f9df1b687e7abd979176d9c9f9d66f531c63ce89cb

  • SSDEEP

    196608:FkOMXoYHu/GindojDIg9Cbk/V81OWa4l7/:FkO8RHJDiZjl

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 3 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 9 IoCs

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

  • Drops file in Program Files directory 5 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d625e08ea0a512ccd3146febe002d5789aad85f02c429e3e2338a6c2d3e0f29c.exe
    "C:\Users\Admin\AppData\Local\Temp\d625e08ea0a512ccd3146febe002d5789aad85f02c429e3e2338a6c2d3e0f29c.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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1868
  • C:\Windows\system32\DeviceDisplayObjectProvider.exe
    C:\Windows\system32\DeviceDisplayObjectProvider.exe -Embedding
    1⤵
      PID:1588

    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

    • \Program Files (x86)\Internet Explorer\ieproxy.dll.tmp

      Filesize

      340KB

      MD5

      5cf19cb376e77f859f60c6db335ff381

      SHA1

      cf3906b7a463cfb9e12cbabb6703c0afbd4a27eb

      SHA256

      dcec635f03b1751a62cd8ba871150b39b2a3e45d34d01924c789bfc3cad0bacc

      SHA512

      3c2b068bf2e84e549c219fdf86f3b4e1bb21ecf0b0212c712fa7318d5b0ffd9553b9de41db6d6cfa7f4146359376e129b965670b7f94f1dcfdb1c1773f3d0f65

    • \Program Files (x86)\Internet Explorer\ieproxy.dll.tmp

      Filesize

      340KB

      MD5

      b7b0b2e3ebc4a77601915110ae20650d

      SHA1

      f45e7816f55c23c0bfc775c98d6b7d79737ded6b

      SHA256

      cd74644e12eced16d92465a22149454d25f99b227e0627facd53be0243703b65

      SHA512

      5ec83791fb6081debd16dc27af1e407a8c4609757310ca840c79d9f9d04738b09a54598a8d74b5500d17c44d7afeed595b195b70a397d72b3d273ba6b595c19e

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

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • memory/1588-16-0x0000000000200000-0x0000000000210000-memory.dmp

      Filesize

      64KB

    • memory/1868-32-0x0000000000890000-0x00000000013C5000-memory.dmp

      Filesize

      11.2MB

    • memory/1868-34-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-33-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-3-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-38-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-37-0x0000000000890000-0x00000000013C5000-memory.dmp

      Filesize

      11.2MB

    • memory/1868-42-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-46-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-15-0x0000000000460000-0x0000000000462000-memory.dmp

      Filesize

      8KB

    • memory/1868-50-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1868-54-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB