Resubmissions

04-12-2024 17:57

241204-wjtk6stnbv 10

04-12-2024 17:56

241204-wh7fmstmhv 10

Analysis

  • max time kernel
    148s
  • 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 17:57

General

  • Target

    infected.zip

  • Size

    150KB

  • MD5

    4d2bbf72163ad6780dce566d7d4697fb

  • SHA1

    e7740524b3e1f3b2fa286a785d50f8e79e0d3a74

  • SHA256

    a843d7d2ee7568c099ad7b0170528cc60d925c3803968dcb24c5c4c9294ae7d5

  • SHA512

    b0c252b3b28070f8cb971e312dc18e2fe6fad4d1b9997a526e9b071187bdaf1ba7e2994e12f4fa88dbb73d1b4af5ff53c5424578ddb0c802c34c56c2cba1e0d1

  • SSDEEP

    3072:kTs9XqFJSl5nxGRv70FtS+WFHfVNYk/294S5FgsuSdwoSygdYYOULr:kAXeMlhDS+Wlfb2qjIwo76P

Malware Config

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Wannacry family
  • Executes dropped EXE 9 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 17 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 49 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Views/modifies file attributes 1 TTPs 4 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\infected.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3592
  • C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe
    "C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4180
      • C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
        C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2484
        • C:\Windows\SysWOW64\attrib.exe
          attrib +h .
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:4980
        • C:\Windows\SysWOW64\icacls.exe
          icacls . /grant Everyone:F /T /C /Q
          4⤵
          • Modifies file permissions
          • System Location Discovery: System Language Discovery
          PID:4208
  • C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe
    C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe -m security
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    PID:2804
  • C:\Windows\system32\cmd.exe
    cmd.exe /c "C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
      C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:336
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h .
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:4676
      • C:\Windows\SysWOW64\icacls.exe
        icacls . /grant Everyone:F /T /C /Q
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:3220
  • C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe
    "C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
        C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\attrib.exe
          attrib +h .
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2172
        • C:\Windows\SysWOW64\icacls.exe
          icacls . /grant Everyone:F /T /C /Q
          4⤵
          • Modifies file permissions
          • System Location Discovery: System Language Discovery
          PID:3460
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1656
  • C:\Windows\system32\cmd.exe
    cmd.exe /c "C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
      C:\ProgramData\hbqpqaznjyrqx231\tasksche.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h .
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3868
      • C:\Windows\SysWOW64\icacls.exe
        icacls . /grant Everyone:F /T /C /Q
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967.exe

    Filesize

    6.4MB

    MD5

    8a016c4ee71532f20b892bb35eb954f4

    SHA1

    204c97ab720d12e6fa04cd8bea6da019c1d4317e

    SHA256

    ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967

    SHA512

    a0ecffce2b724287e8ab01d23d95839d7e522bc27dc14be26b5089bf8704a46c176a87f02648f6ba646938217afb1b33c6e6557ff3dce528497d9b321310c9bd

  • C:\Windows\tasksche.exe

    Filesize

    3.4MB

    MD5

    a27cfbfad728fa5ec8e701a6f93cab26

    SHA1

    deba582c9c8f059590132395f987c2acf54e7a7f

    SHA256

    c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

    SHA512

    8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

  • memory/1656-29-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-17-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-19-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-18-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-23-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-28-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-27-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-26-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-25-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/1656-24-0x000001EBF0610000-0x000001EBF0611000-memory.dmp

    Filesize

    4KB

  • memory/2804-16-0x0000000000400000-0x0000000000A73000-memory.dmp

    Filesize

    6.4MB

  • memory/4836-11-0x0000000000400000-0x0000000000A73000-memory.dmp

    Filesize

    6.4MB

  • memory/4836-4-0x0000000000400000-0x0000000000A73000-memory.dmp

    Filesize

    6.4MB