Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 19 IoCs
  • UPX packed file 14 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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:2524
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /x {D9FB7F91-9687-4B09-894D-072903CADEA4} /passive
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1076
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\QualcommWindowsDriverInstaller.msi"
      2⤵
      • Loads dropped DLL
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2720
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 85C07451C438DC3389D90E8132ADDB54 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{98543D9E-D779-4D95-8199-ED77A9E8B007}
        3⤵
        • Executes dropped EXE
        PID:2784
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{2F01415A-9D3C-436C-AB23-A0507854F0F3}
        3⤵
        • Executes dropped EXE
        PID:2052
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{9372D979-35D5-4ACC-9E5B-CA97670C1F81}
        3⤵
        • Executes dropped EXE
        PID:2264
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{DAFC3958-05A2-41ED-AE3B-2D6497A2AE1F}
        3⤵
        • Executes dropped EXE
        PID:880
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{CAC586EE-A4CC-4294-91A1-FDEB02D8FAA7}
        3⤵
        • Executes dropped EXE
        PID:292
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{F757AC84-9E84-4B09-9B88-8F434A1BC752}
        3⤵
        • Executes dropped EXE
        PID:1556
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{8CE92DB3-C97F-4789-BD54-06869ECD8047}
        3⤵
        • Executes dropped EXE
        PID:1404
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{9ED6117F-C594-4A99-90EE-69091E59ADBA}
        3⤵
        • Executes dropped EXE
        PID:796
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{2D7F1A88-29C0-487D-91F5-43F60FF9EE28}
        3⤵
        • Executes dropped EXE
        PID:1084
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{5FA18361-5A78-446C-AFB0-66D30EEC497B}
        3⤵
        • Executes dropped EXE
        PID:1588
      • C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{30D10D33-705C-4281-9A5F-B219FA51A72A}
        3⤵
        • Executes dropped EXE
        PID:1752

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\MSIBA79.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\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISBEW64.exe

    Filesize

    146KB

    MD5

    c3b2acc07bb0610405fc786e3432bef9

    SHA1

    333d5f2b55bd00ad4311ba104af7db984f953924

    SHA256

    9acc6cb5d01a4e4dbc92c8774c6999fab5f0e49f097e83098ba740842f5a2894

    SHA512

    2438e5dd11c8322101d9dc2d0f89ed0b1fc3cb5a65f644a1cf07f4c5a7f353c648e715fb910e09a444b623b3384eecd628e312608bcec63aa3b0107630df32bd

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\ISRT.dll

    Filesize

    260KB

    MD5

    a93f625ef42b54c2b0f4d38201e67606

    SHA1

    cbfebc1f736ccfc65562ede79a5ae1a8afb116a1

    SHA256

    e91a865c3d60d9d0bce5d5a0a2f551c5e032d5bc13bc40f85091ce46d38064e0

    SHA512

    805f0d535022de3d03aa191239fd90c54f2f6745bf02e0ce9cbe59ea34eecac7f9ebb600864c7cbcad5d011fa61bdb5b65889136617edc44178f87bd3970b198

  • \Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\_isres_0x0409.dll

    Filesize

    540KB

    MD5

    d6bbf7ff6984213c7f1f0f8f07c51e6a

    SHA1

    cfe933fc3b634f7333adec7ec124c14e9d19ac21

    SHA256

    6366e18a8cbf609c9573f341004e5c2725c23a12973affa90ee7bcc7934ae1b2

    SHA512

    a1364c96848f54b241c8e92ed1887ca599255c8046e31af11cd4b0b23d97c00243808dff9086a536c0084d6815223685283844a9e27f2c20c4d3b85a794a9e9d

  • \Users\Admin\AppData\Local\Temp\{3EC23119-1F37-466B-83A2-8299FDFD8171}\_isres_0x0409.dll.tmp

    Filesize

    616KB

    MD5

    5aa0b61df44e1dcbb764ffb795c20661

    SHA1

    03887b6b8cd03f8a12aacc4a2e3f34c508b0cb5c

    SHA256

    ceade2baab491915ede85ec0fafaa2f9e550fd6626b46877529918cd6155106a

    SHA512

    f2162b76fd3173fe9df8034318ce4c9201a174f86a72c2a72770ce0d783a1b56a6b0b8f00831d5c48c6c973cbdb821b62d0b74b8b7cc17d3ff4ec01bf87e4e13

  • memory/1076-10-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1076-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-87-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-79-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-113-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-103-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-5-0x00000000004AF000-0x00000000004B3000-memory.dmp

    Filesize

    16KB

  • memory/2524-67-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-95-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-71-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2616-74-0x0000000002AF0000-0x0000000002CA5000-memory.dmp

    Filesize

    1.7MB

  • memory/2616-76-0x0000000003240000-0x00000000032C9000-memory.dmp

    Filesize

    548KB

  • memory/2616-75-0x00000000034C0000-0x0000000003567000-memory.dmp

    Filesize

    668KB

  • memory/2616-43-0x00000000034C0000-0x0000000003567000-memory.dmp

    Filesize

    668KB

  • memory/2616-21-0x0000000002AF0000-0x0000000002CA5000-memory.dmp

    Filesize

    1.7MB

  • memory/2616-70-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2616-46-0x0000000003240000-0x00000000032C9000-memory.dmp

    Filesize

    548KB

  • memory/2616-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2720-69-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB