Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    28/07/2024, 22:51

General

  • Target
    $TEMP/TemporaryComodoProduct/CBU.exe
  • Size 11.6MB
  • Sample240728-2s976stenb
  • SHA256 442f3b1a6a282dedaf4e39de36af4bcce2c0b0c145d8895c7f236bc8576c84b6
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Network Service Discovery 1 TTPs 8 IoCs

    Attempt to gather information on host's network.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Modifies registry class 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\TemporaryComodoProduct\CBU.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\TemporaryComodoProduct\CBU.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c arp -a > C:\Users\Admin\AppData\Local\Temp\iplist.txt
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\SysWOW64\ARP.EXE
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:536
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c arp -a > C:\Users\Admin\AppData\Local\Temp\iplist.txt
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:596
      • C:\Windows\SysWOW64\ARP.EXE
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c arp -a > C:\Users\Admin\AppData\Local\Temp\iplist.txt
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\ARP.EXE
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:2524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c arp -a > C:\Users\Admin\AppData\Local\Temp\iplist.txt
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Windows\SysWOW64\ARP.EXE
        arp -a
        3⤵
        • Network Service Discovery
        • System Location Discovery: System Language Discovery
        PID:1036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 2076
      2⤵
      • Program crash
      PID:2096

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Cab6837.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab6837.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        CBU.exe.log

        • Path C:\Users\Admin\AppData\Local\Temp\ComodoLogsFolder\CBU.exe.log
        • Size 1KB
        • SHA256 44090588bb010a5fcba5e3608580d2ce805b069e527fa3d00d84944fce1c6f26
        • MD5 SHA1 SHA512

        CBU.exe.log

        • Path C:\Users\Admin\AppData\Local\Temp\ComodoLogsFolder\CBU.exe.log
        • Size 4KB
        • SHA256 bf5af64f3f39779cd1351ba0b5df201128daed054cb33847e378a87f8f99881b
        • MD5 SHA1 SHA512 SSDEEP

        Network.lnk

        • Path C:\Users\Admin\AppData\Local\Temp\Network.lnk
        • Size 104B
        • SHA256 2afcca818a534e4f75cf61dc5552400d75406e11830aa7a8a5fd841fe571a723
        • MD5 SHA1 SHA512

        Tar6FD8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar6FD8.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        iplist.txt

        • Path C:\Users\Admin\AppData\Local\Temp\iplist.txt
        • Size 550B
        • SHA256 fc6135b3bb5911be788cba0453c58632ee1d039707652b6592f9adf636176c68
        • MD5 SHA1 SHA512