Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 07:44

General

  • Target

    001186bb430bd4fdff55158964c0ad6b07d145edce29b580ac096adfe5b4d8cf.exe

  • Size

    12.2MB

  • MD5

    085deb14c2eb2c0cd09a85351eddda0f

  • SHA1

    1de4f5708e70313dc7870b3a5ba0784af8364558

  • SHA256

    001186bb430bd4fdff55158964c0ad6b07d145edce29b580ac096adfe5b4d8cf

  • SHA512

    c31ec9dc61f9b1bfb735621f2ee73242f94b2b14f902cc0c94d7a6f18d3f9c4a6589cde93ca42851202212133d522ae0ee55fcdff0cbac8b49d738113b49cae6

  • SSDEEP

    196608:iuyjAiK0/F7OHK1NjEKKQsS4Kl26EnHs01q1CHv0rsFvVhYyg5aduB2EsAQEfQXX:QjdKS74KgS66EnMCADovVhYxcE+X

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
  • 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 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 20 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\001186bb430bd4fdff55158964c0ad6b07d145edce29b580ac096adfe5b4d8cf.exe
    "C:\Users\Admin\AppData\Local\Temp\001186bb430bd4fdff55158964c0ad6b07d145edce29b580ac096adfe5b4d8cf.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 WriteProcessMemory
    PID:2372
    • C:\Windows\system32\cmd.exe
      cmd.exe /c set
      2⤵
        PID:2340
      • C:\Users\Admin\AppData\Local\Temp\~7777598450706759838~\sg.tmp
        7zG_exe x "C:\Users\Admin\AppData\Local\Temp\001186bb430bd4fdff55158964c0ad6b07d145edce29b580ac096adfe5b4d8cf.exe" -y -aoa -o"C:\Users\Admin\AppData\Local\Temp\~6530128294634282371"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2264
      • C:\Users\Admin\AppData\Local\Temp\~6530128294634282371\로드무비.exe
        "C:\Users\Admin\AppData\Local\Temp\~6530128294634282371\로드무비.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c rd /S /Q "C:\Users\Admin\AppData\Local\Temp\~6530128294634282371\Helper.ocx.tmp"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2408
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c del /F /Q "C:\Users\Admin\AppData\Local\Temp\~6530128294634282371\Helper.ocx.tmp"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2828

    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

    • C:\Users\Admin\AppData\Local\Temp\~6530128294634282371\장면.swf

      Filesize

      7.4MB

      MD5

      a041e55f5ed93dfc6043f1203622c6b5

      SHA1

      2e642cb83b02ca31cbaa808a3770bcb72fab4503

      SHA256

      7dc1c8ef1418771ebbe943997f7fabb186b99101561e70c4dbccf3bcff03d55f

      SHA512

      8194fc28454d2359e4635e251e5f875a0a6a32ee816414ca06214c5d5b490d059b463665eae1afb2cc25686bd73e6aa4b61faacfa435a04dfc38bb268452844f

    • C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sxx

      Filesize

      456B

      MD5

      adcb6a09d0c66ab31a82f42a7628d330

      SHA1

      6d6a37146eea022e1ba525677db6b4f67214c4f7

      SHA256

      0c40674562847c8f9e66cd56148c110fc12d6df59929c01fb954337dc5ade76d

      SHA512

      3d57f4d882dd7784984321b770cd3dd3ae4be81668772a96309de38d0476d411861632d9f07d4a1d746381d78f0e1adb293b142fa78952aebbe443ad5bb5adea

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

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • \Users\Admin\AppData\Local\Temp\~6530128294634282371\Helper.ocx

      Filesize

      5.4MB

      MD5

      a91c2acb7657c04a10e47ed8dc6b28bf

      SHA1

      d38713819eab61488abdd9cb4653b6a7ef313aa9

      SHA256

      545cf5f0f8e438913eb40d3b561610c6c5e9e1c696452bf0f5f91677c044beb5

      SHA512

      cd3ab9c48a7e15d68a1e0edb5c345a1f01596b19d769e993509f1d131ac5ac14db4ae485fc1089509e7057a4d27a2113d3e6b9bd8278ce07a1ff8472b755a554

    • \Users\Admin\AppData\Local\Temp\~6530128294634282371\Helper.ocx.tmp

      Filesize

      5.5MB

      MD5

      03ac1e35982df62e2931e895e0300a0d

      SHA1

      078a942dcbdeeaad964ed60f3b5a52a17ab8b922

      SHA256

      1e3f34cf125cab543b9276ce77d649fea41b6ca8467339ad9cb6796ddfddb2ba

      SHA512

      d7324dc3c6d65b8866fde914b27dd2413b66450946258cec26c05cded0cd2b5219828c174cae1be3b9ba6e72f9a799c82e4f8900deb7cadd53ff43d77be7bc7c

    • \Users\Admin\AppData\Local\Temp\~6530128294634282371\로드무비.exe

      Filesize

      1.4MB

      MD5

      8e728b3017a324783847185aa4388576

      SHA1

      0f1ac20d194273dcec41f9e0f70def925f0cd5cd

      SHA256

      c2cb3d280b055d11e2410638269d2288023d45ea67d3ed7a6d2d1dc5531ba196

      SHA512

      270a2df1d5ad03d75b76c25a2aeb0eff7b10c52a9fb66fe636e5a5cd520cff47d25c2ce9ebc59104a8d1a58e42f9868642a62d1da77eca40d60790ecaf4c5cf7

    • \Users\Admin\AppData\Local\Temp\~7777598450706759838~\sg.tmp

      Filesize

      715KB

      MD5

      7c4718943bd3f66ebdb47ccca72c7b1e

      SHA1

      f9edfaa7adb8fa528b2e61b2b251f18da10a6969

      SHA256

      4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

      SHA512

      e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

    • memory/2264-16-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2264-25-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-70-0x0000000000400000-0x0000000000613000-memory.dmp

      Filesize

      2.1MB

    • memory/2372-71-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-97-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-91-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-86-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-64-0x0000000000400000-0x0000000000613000-memory.dmp

      Filesize

      2.1MB

    • memory/2372-65-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-81-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-76-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2372-1-0x0000000000400000-0x0000000000613000-memory.dmp

      Filesize

      2.1MB

    • memory/2408-51-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2408-47-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2780-36-0x0000000000401000-0x0000000000402000-memory.dmp

      Filesize

      4KB

    • memory/2780-69-0x0000000000400000-0x0000000000563000-memory.dmp

      Filesize

      1.4MB

    • memory/2780-72-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2780-67-0x0000000000400000-0x0000000000563000-memory.dmp

      Filesize

      1.4MB

    • memory/2780-66-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2780-33-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/2780-39-0x0000000000400000-0x0000000000563000-memory.dmp

      Filesize

      1.4MB

    • memory/2780-37-0x0000000000400000-0x0000000000563000-memory.dmp

      Filesize

      1.4MB

    • memory/2828-48-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB