Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 00:59

General

  • Target

    2024-09-16_3502350eba54b4ac640a8748470ac2c0_floxif_icedid.exe

  • Size

    22.2MB

  • MD5

    3502350eba54b4ac640a8748470ac2c0

  • SHA1

    ab0c4d8e663ec799890563203a05744830582a3f

  • SHA256

    388849ff698162b1d7e8b555b67b6d3ad4b53709ee002e1e40f5c77b2319a368

  • SHA512

    ff8168db7e3aac0172c476aa1f9d6aba20e8c17d086656c7093e57a660e738e3239884411c559d38cc3b04b2ebafd1821ec3d95db3ad56a3b6e311fdd584f220

  • SSDEEP

    393216:XXeHsQXKIQ2A6p/jJicojuCXiv3vMBnz4CFxDqg9u4PS6n4CEJXE0wEKD3/L0:XXeHsQXKx6liUCXk3EmCFpq4PznwXDwE

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 11 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 47 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-16_3502350eba54b4ac640a8748470ac2c0_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_3502350eba54b4ac640a8748470ac2c0_floxif_icedid.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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /x {D9FB7F91-9687-4B09-894D-072903CADEA4} /passive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1916
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\QualcommWindowsDriverInstaller.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1272
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5064
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AF03115B919E2C9A2434C0591138A965 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{7BF8DD61-D944-49D9-9CA4-74EA74DB070B}
        3⤵
        • Executes dropped EXE
        PID:1104
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{9FC41A7B-8F3F-4FBC-BC54-F388123F8EF1}
        3⤵
        • Executes dropped EXE
        PID:2948
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{E2EAB78C-264F-4AAC-B597-A0BAF36BFDCE}
        3⤵
        • Executes dropped EXE
        PID:4424
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{5FE244DF-E83A-4C72-B212-9432ABA5DF9A}
        3⤵
        • Executes dropped EXE
        PID:1868
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{C4292E17-DE00-4619-B5E6-EDC46291B387}
        3⤵
        • Executes dropped EXE
        PID:4324
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{479E6C75-A573-4BEC-9D47-D70CEB020B77}
        3⤵
        • Executes dropped EXE
        PID:3408
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{A4C15E68-F779-4257-9DD9-6549F53104F1}
        3⤵
        • Executes dropped EXE
        PID:4740
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{D7470079-D2B8-4B54-9072-027DBBF1DC1E}
        3⤵
        • Executes dropped EXE
        PID:3404
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{0B537869-05DD-49DA-BCE1-B8232EE6ABB1}
        3⤵
        • Executes dropped EXE
        PID:3708
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{6EA142DE-D966-406D-BEF4-19D8DC9C56F7}
        3⤵
        • Executes dropped EXE
        PID:3132
      • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{BCC6F922-B42D-4585-91CB-927E3662F309}
        3⤵
        • Executes dropped EXE
        PID:4260

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\MSI72DE.tmp

    Filesize

    1.3MB

    MD5

    ca189a2b762e64d61303bfd4d88fd0a6

    SHA1

    13bf55664fb0345d3931458f75b6039c1213f46a

    SHA256

    dc5094ceb682772d95b427230bfb1af29df90ef67fe8afb08c43a0f2af3f880a

    SHA512

    31bb912f5c5f6cd6577f8529fcbbfc0bf4d0bda5e1904772c57cd942520db7dd1c10657e8695d16418a05763202af1034e4e47a7db8a8be618b9e330e8a544bf

  • C:\Users\Admin\AppData\Local\Temp\QualcommWindowsDriverInstaller.msi

    Filesize

    20.7MB

    MD5

    cde633c7be2c8db52f0922f8a8e0c613

    SHA1

    a9bc8e3c20244d7057843ebb5ce6152f9ef1bd7f

    SHA256

    a7d18848d352986989170eaae01af8439b91b732544662c80c17bad8605353e5

    SHA512

    e32e7bf3c682f070bfae158d98565aa4285bb0154f6655469ad470289845182d757623ad55bd649c39a5c2cd9f8da15aa564d71103084d8fafb336921211009b

  • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISBEW64.exe

    Filesize

    146KB

    MD5

    c3b2acc07bb0610405fc786e3432bef9

    SHA1

    333d5f2b55bd00ad4311ba104af7db984f953924

    SHA256

    9acc6cb5d01a4e4dbc92c8774c6999fab5f0e49f097e83098ba740842f5a2894

    SHA512

    2438e5dd11c8322101d9dc2d0f89ed0b1fc3cb5a65f644a1cf07f4c5a7f353c648e715fb910e09a444b623b3384eecd628e312608bcec63aa3b0107630df32bd

  • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\ISRT.dll

    Filesize

    260KB

    MD5

    a93f625ef42b54c2b0f4d38201e67606

    SHA1

    cbfebc1f736ccfc65562ede79a5ae1a8afb116a1

    SHA256

    e91a865c3d60d9d0bce5d5a0a2f551c5e032d5bc13bc40f85091ce46d38064e0

    SHA512

    805f0d535022de3d03aa191239fd90c54f2f6745bf02e0ce9cbe59ea34eecac7f9ebb600864c7cbcad5d011fa61bdb5b65889136617edc44178f87bd3970b198

  • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\_isres_0x0409.dll

    Filesize

    540KB

    MD5

    d6bbf7ff6984213c7f1f0f8f07c51e6a

    SHA1

    cfe933fc3b634f7333adec7ec124c14e9d19ac21

    SHA256

    6366e18a8cbf609c9573f341004e5c2725c23a12973affa90ee7bcc7934ae1b2

    SHA512

    a1364c96848f54b241c8e92ed1887ca599255c8046e31af11cd4b0b23d97c00243808dff9086a536c0084d6815223685283844a9e27f2c20c4d3b85a794a9e9d

  • C:\Users\Admin\AppData\Local\Temp\{F6C5369C-DF6A-4081-850C-C0B6AE139E67}\_isres_0x0409.dll.tmp

    Filesize

    616KB

    MD5

    68b1f64ad9c316e0cd081457351f8d32

    SHA1

    df3cb2f740be42db76d6e439d712e5fa705febd5

    SHA256

    39430d085271d48f933a0ff14f294ed8e9fd40f66ed17d427662cabef3d4039c

    SHA512

    9c07b9149e0396df917687fd72b1d57776fd8d089659d2eed65104b0d77f7c579a51d188a6e57888fe57f75552abead8deb34e174cf3be8e94381a8b658f2f7c

  • memory/2736-6-0x00000000004AF000-0x00000000004B3000-memory.dmp

    Filesize

    16KB

  • memory/2736-67-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2736-108-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2736-82-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2736-57-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2736-60-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2736-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2928-17-0x0000000010000000-0x00000000101B5000-memory.dmp

    Filesize

    1.7MB

  • memory/2928-63-0x0000000010000000-0x00000000101B5000-memory.dmp

    Filesize

    1.7MB

  • memory/2928-64-0x0000000002C80000-0x0000000002D27000-memory.dmp

    Filesize

    668KB

  • memory/2928-45-0x0000000002DB0000-0x0000000002E39000-memory.dmp

    Filesize

    548KB

  • memory/2928-39-0x0000000002C80000-0x0000000002D27000-memory.dmp

    Filesize

    668KB

  • memory/2928-85-0x0000000002DB0000-0x0000000002E39000-memory.dmp

    Filesize

    548KB

  • memory/2928-40-0x0000000002C80000-0x0000000002D27000-memory.dmp

    Filesize

    668KB