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
    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 13 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 48 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:2084
    • 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:1620
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2984
    • 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:2884
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\diskmodel.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2580
    • 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:2292
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2200
    • 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:1664
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1320
    • 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:304
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2420
    • 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:1020
      • C:\Windows\SysWOW64\diskpart.exe
        diskpart /s C:\Users\Admin\AppData\Local\Temp\partition.txt
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1660
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2176
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2724

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • 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

        276B

        MD5

        16925b93c1d2573d40a6f4ea6b686927

        SHA1

        a2a68a28fae282f49419356fc5d078c403276938

        SHA256

        4e890b0feedf6970b768f2922b5b305a7031d5cb075398c318d1f3a0833edb4d

        SHA512

        b157f35575a126e67cb9b1fa97a7a8405bed3ae4959ff99af586e8313c870f9c3e46481a39f50c60e0846b95750545c5d3da913976c8b9f86114cd7df70ad221

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

        Filesize

        880B

        MD5

        e40ce8bc98f77d519f84fa5255dd58a2

        SHA1

        1b1a331806da992b95c9211ae0525eb085936064

        SHA256

        a3ebbf67a2e21419b4ba757921971ce3bd2c38dcb18efc1846cdd64549e7407d

        SHA512

        80a7ed79c0f123ad81076db012b9f6036029a7c3aebe1979a3b09dacfa5c6dea90a217c9afa1f6f6cb161bb68f639188766c232e23c8c7c644fa843dd294b27f

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

        Filesize

        412B

        MD5

        b57cbe3a7abcf4eb009742c2b89adffe

        SHA1

        4e335250365cec5d6ce91518f439eaac25f0bb7a

        SHA256

        4d0597aea252e9328b8c23d34d719a3b627e086e9746b7276994fb1ea0cdcacb

        SHA512

        1df2d61be9df9ef629c890fcf5f031798be7a9fb6b5e4a6064717f9f92187b44c7b1e2ed24fe47b3e0b6a6966a1f13bbbdb55808c66180b6a13224b1a76953a3

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

        Filesize

        512B

        MD5

        3a283737b60dbd3127d565ae5e5b222d

        SHA1

        7517954b40746f17f9457d15bc0552258c460f2e

        SHA256

        01c582f56d685d4548dda54eec95d58c49710ad844fdc6e035992f259a22375e

        SHA512

        76854e02a6afa04d8b38a21deced4fa9a70ab930d69897c7f7f4dc87caef4729b3bcd8ef6db1079973c37571a98dad851771ca417cff20fce907d56245781a56

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

        Filesize

        512B

        MD5

        e62c4139b0e86f38232169e8abbc1e5e

        SHA1

        23d19c597f3772c41c9ac17fba4625f9e906d794

        SHA256

        89e3606cf8124ca2d3290ea8e9507702859b0873483d9b81a5cbe0d48623398e

        SHA512

        99d7b911cf70782c678f6a48579a0c75baafde3f6dd12a35da4d50921a44976e5b93a95b9149cdcf9c6ac7170592a474dc4352e8d5f5fb56382734bcc5451aad

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

        Filesize

        515B

        MD5

        bade703257693ba37264872be16e2bd7

        SHA1

        621f074fd7cb01b16f3a2e9b40b3629778f2a9f1

        SHA256

        9ab236a35dd5f7dcd9e2f4ab2922c98558e4553c8215f0a76e37a0fb22f315de

        SHA512

        29a0d8f415e56428ce779df172e767a76d34684c198517e5f8705f8c342c3beb7e63f7b003cb35e84e47c89aefe0c51994c2e3736eddc0122e98a6b44603d296

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

        Filesize

        67KB

        MD5

        7574cf2c64f35161ab1292e2f532aabf

        SHA1

        14ba3fa927a06224dfe587014299e834def4644f

        SHA256

        de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

        SHA512

        4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

      • memory/2084-47-0x0000000000FA0000-0x0000000001150000-memory.dmp

        Filesize

        1.7MB

      • memory/2084-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-6-0x00000000010E3000-0x00000000010E4000-memory.dmp

        Filesize

        4KB

      • memory/2084-48-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-50-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-54-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-58-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-62-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-3-0x0000000000FA0000-0x0000000001150000-memory.dmp

        Filesize

        1.7MB

      • memory/2084-66-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-70-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-74-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2084-80-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB