Resubmissions

04-12-2024 13:00

241204-p8rpjswldw 10

04-12-2024 12:58

241204-p71aaswlbz 10

04-12-2024 11:54

241204-n2zwxazlel 10

04-12-2024 11:52

241204-n13w6szlbn 10

04-12-2024 11:39

241204-nsj44atrdw 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 11:39

General

  • Target

    ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe

  • Size

    6.4MB

  • MD5

    8a016c4ee71532f20b892bb35eb954f4

  • SHA1

    204c97ab720d12e6fa04cd8bea6da019c1d4317e

  • SHA256

    ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967

  • SHA512

    a0ecffce2b724287e8ab01d23d95839d7e522bc27dc14be26b5089bf8704a46c176a87f02648f6ba646938217afb1b33c6e6557ff3dce528497d9b321310c9bd

  • SSDEEP

    6144:YE9l9yKqIYVTH5DgSg8ajldktM0XXrV2QhMV9qb:YJbLgPluwQhMb

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Executes dropped EXE 3 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe
    "C:\Users\Admin\AppData\Local\Temp\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4124
      • C:\ProgramData\hfvxcanlgffmil166\tasksche.exe
        C:\ProgramData\hfvxcanlgffmil166\tasksche.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Windows\SysWOW64\attrib.exe
          attrib +h .
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:944
        • C:\Windows\SysWOW64\icacls.exe
          icacls . /grant Everyone:F /T /C /Q
          4⤵
          • Modifies file permissions
          • System Location Discovery: System Language Discovery
          PID:4312
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h .
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3068
      • C:\Windows\SysWOW64\icacls.exe
        icacls . /grant Everyone:F /T /C /Q
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1732
  • C:\Users\Admin\AppData\Local\Temp\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe
    C:\Users\Admin\AppData\Local\Temp\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe -m security
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:4928
  • C:\Windows\system32\cmd.exe
    cmd.exe /c "C:\ProgramData\hfvxcanlgffmil166\tasksche.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\ProgramData\hfvxcanlgffmil166\tasksche.exe
      C:\ProgramData\hfvxcanlgffmil166\tasksche.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4768
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h .
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4228
      • C:\Windows\SysWOW64\icacls.exe
        icacls . /grant Everyone:F /T /C /Q
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3636
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5104
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\tasksche.exe

      Filesize

      3.4MB

      MD5

      a27cfbfad728fa5ec8e701a6f93cab26

      SHA1

      deba582c9c8f059590132395f987c2acf54e7a7f

      SHA256

      c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

      SHA512

      8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

    • memory/464-0-0x0000000000400000-0x0000000000A73000-memory.dmp

      Filesize

      6.4MB

    • memory/464-1-0x0000000000400000-0x0000000000A73000-memory.dmp

      Filesize

      6.4MB

    • memory/464-8-0x0000000000400000-0x0000000000A73000-memory.dmp

      Filesize

      6.4MB

    • memory/4928-2-0x0000000000400000-0x0000000000A73000-memory.dmp

      Filesize

      6.4MB

    • memory/5104-13-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-15-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-14-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-25-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-24-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-23-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-21-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-22-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-20-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB

    • memory/5104-19-0x00000236170D0000-0x00000236170D1000-memory.dmp

      Filesize

      4KB