Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 02:21

General

  • Target

    bf0c5ea8ec6aad054637d088c52912b54e1c65ae3429d41122f0eb7b3b93aa2c.exe

  • Size

    850KB

  • MD5

    30bb2523df5773ef3f8136376d2606a9

  • SHA1

    1d1751705d24c3ada623edf6e4a9db4799ff56bd

  • SHA256

    bf0c5ea8ec6aad054637d088c52912b54e1c65ae3429d41122f0eb7b3b93aa2c

  • SHA512

    cb939b117c7275e1077bb2c151db882828dbf6200f1c93edca1a2c1084ba2cf88ab9dd0552f3f8af9495c1371e6dfadf27b62c8c33a2713cf24837d692f66959

  • SSDEEP

    12288:RozGdX0M4ornOI7ZIzfMwHHQmRROXKuHc1wClr94a7U/VrnkHNjD53NtwH1YKj4n:R4GHnJIzOaIc+Qx4awNyNFsbZrEH7pN

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 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf0c5ea8ec6aad054637d088c52912b54e1c65ae3429d41122f0eb7b3b93aa2c.exe
    "C:\Users\Admin\AppData\Local\Temp\bf0c5ea8ec6aad054637d088c52912b54e1c65ae3429d41122f0eb7b3b93aa2c.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\diskmodel.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\diskmodel.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3956
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1856
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4292
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt > C:\Users\Admin\AppData\Local\Temp\partitionrst.txt
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5076
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4648
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2268
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2252

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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\diskmodel.txt

      Filesize

      25B

      MD5

      67661bfae3e5d5e2814f38c791ae1f13

      SHA1

      af63858cf1bacaac1742d04f97df4c3b94964e5f

      SHA256

      00dd94ce409aa21164cfb080cdc5c467961622e32d0c7f76662343986306e121

      SHA512

      6f16d35cb79de125b159a35417328878cd89ac03910ef843051191235a6eacaf0723264ecaf485233acd5de6e30b4975c200ef6bd66121d24ec8bf335ff8541e

    • C:\Users\Admin\AppData\Local\Temp\partition.txt

      Filesize

      11B

      MD5

      66e1cfbc5c9185251ff5a869d5b1a545

      SHA1

      94b1a6e9b6be538f595f9049365604dc45af9bda

      SHA256

      9644150875d4825f8e823f22c4103115ed26e8fecc1c1bf54da77f976d6eda44

      SHA512

      137197e17a26df0dec8dd1cb15e7a723b8e74cc888912820dc6dac518a0c4becc277d67c5e2c069d5dd9ea1e33f1970080a717fca63697483d1795d988d4554f

    • C:\Users\Admin\AppData\Local\Temp\partition.txt

      Filesize

      23B

      MD5

      453aef926ff583c0fc9b312bc5b35f66

      SHA1

      f064d1f2be70b82372f8a52c69cc77640244a864

      SHA256

      745b113174ac67f569e26f49af7dc3fd7e07e899ddf96e67ad6234cde48dc6b6

      SHA512

      b3d628dd300b8df01bf8eb5326b88cb44e775843478d5184d16e3a1cb8161acdc9413d529bb82137982f0cbffb18c9809716ea8c99e761679c9268a8851c4da4

    • C:\Users\Admin\AppData\Local\Temp\partition.txt

      Filesize

      37B

      MD5

      ffc02845d569af860d1d780e3bc38731

      SHA1

      b6dc16900c792459aa2076dd8dcdf9df661b7f39

      SHA256

      20d30c299e8c3aa726ec7b443fdc4ce66e3e8d8463edea66152a01fbc1230007

      SHA512

      3f116546be42ef8b8f4d5920ba7ebe16695ba18e262b0ae5b25086627bab98d84b1b24a7814f2ecb239a8ec888636a130a23c20b9dfdbd23ee53c22d43005c38

    • C:\Users\Admin\AppData\Local\Temp\partition.txt

      Filesize

      37B

      MD5

      ce86c4bdff08645eddd8b3b772280d41

      SHA1

      7010922686a15c50da321d57320ef12cfadcaf66

      SHA256

      1da128599ccc603e48bd67148caf46709ed34f236571f787b563a759c8a70a92

      SHA512

      a7bef53e198dc87d4ebb97c312b8182f3c82afaa99c81c886cec269e2f1ef89d097003976016cef76c1979e416243485ae32389eafb6b21c56ba2b9a4d018654

    • C:\Users\Admin\AppData\Local\Temp\partition.txt

      Filesize

      37B

      MD5

      1317542fff4436205b703a647bb91264

      SHA1

      6f89fe2bfbbec0641d9253aae640ebe61f35a12f

      SHA256

      a444d333d4bdb896445a988019c2c4e80d9882d44177ebb836cb6ee757943e71

      SHA512

      af57bd5ced7df601c341148b2eea32e761f99fd8b3457e3b02313f20c49d97a4d29481ff7f83fe087321ceb27d6e784ecbcfca687af06e70cb9d96abdd56c509

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      274B

      MD5

      ae43787dcb4fbb03103faa7d2f93820c

      SHA1

      5aa415ad6a0c8ba3c5c4ef47350a351a76e76022

      SHA256

      3deeb3ba0e46cf2b7a3855aaa5dd9c81ffecdb1ee26e9cd177f213af100aa363

      SHA512

      dbcc71c1c2e52eff666327a080acd2ccbd9e7015d00ef6642904506774b92ba414a66e10567868cdea130be77112c7ad2ba9d892cdfcce0c1d4a67b0efdaba36

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      867B

      MD5

      94c9daf1856d7a2cce933a9d0406f9f2

      SHA1

      0b13859cdb18a8458f416fc0793e11e6a745224d

      SHA256

      ec7338280fb3aa211a3dfaab6330c3a76d4a76514b9ddea4fc6c76058d9a9218

      SHA512

      b7a99ad18068adaf2a7482416cade9cd66899f92851894938161272d91e3d1a0e1598f4a3a7c5367e80aea4596c29cef3352aab7a57980f5f84c7de6664cd9fb

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      410B

      MD5

      873286f338bb0332df4994a89f73b0d7

      SHA1

      cfc685b8678ea3438a41b6b5ed6b683cc5d01d71

      SHA256

      70a5fd51ff57c055a92dd3d85b2020abfdd79157a9236d15e93b06bdc0b445f6

      SHA512

      1c2c113894cab0f03170c02d3dab2e290be387881e89208226d1260b5b28163eaeb85c283612c2c55f23d060fbf1a020ff19d9eacafd53018b950b3df45fc68a

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      509B

      MD5

      e00d29eb1d09b6744f9352ab354388e0

      SHA1

      0db4151cd06fc7684d198f8847b08f70c9e5c6b2

      SHA256

      c54b40c3756104dd1c67c18cd7beb2645089e683f741cebf005b869e926c782e

      SHA512

      d225abca5b6815fb9c002099ce83e7bfe749c988b59e6c937993b81e6cc34ee1c4e6e96515af6e7ad6fc9cabcecd190eb5eec1de4a2e252b2bb3bb4b181d9252

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      510B

      MD5

      71e83e376ac129056bc1732232cb8531

      SHA1

      054d34ceacd56feb87a227a38dabe394f6f4450b

      SHA256

      43fa11bd9c16ab70868f65f2e77e16e78d16eab5780af7047d7031636200e118

      SHA512

      930399baee83363114b7c27f61bae9e30f79f26df0eee93d4c284b4aa0a0e85f30d29a28d3ef547dead1fc851d3e411d11fd6a7eaf2e91d47556af44d0472006

    • C:\Users\Admin\AppData\Local\Temp\partitionrst.txt

      Filesize

      513B

      MD5

      56790440fcf32ed045953c907253d5d8

      SHA1

      909b2129a1f8f96cf25eddae5a5a21af1a516e46

      SHA256

      25a0f97a9e95bf315fb90f61cfec9d08da54d08c9806751b8520ecc7f753983d

      SHA512

      e1e4e50475a9b72e678ab91e470026bfe625ddc54bd0789d6cabdb1c965c42510a1fb903bcfab8256625154da2696557fb08827ed57faa40748a9c2add0d59be

    • memory/2060-66-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-6-0x0000000000383000-0x0000000000384000-memory.dmp

      Filesize

      4KB

    • memory/2060-49-0x0000000000240000-0x00000000003F0000-memory.dmp

      Filesize

      1.7MB

    • memory/2060-50-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-60-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-64-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-0-0x0000000000240000-0x00000000003F0000-memory.dmp

      Filesize

      1.7MB

    • memory/2060-77-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2060-85-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB