Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 23:45

General

  • Target

    Contract for collaboration.pdf.exe

  • Size

    750.0MB

  • MD5

    b1f104a15b02a9f967111a0ac5f7f379

  • SHA1

    23043fbea3620c4b793ed3306ebedeeff06a35d7

  • SHA256

    d95014339b85a2a95a540c97c802bea91c85241b3dd74aba7fb1f5d5e26651df

  • SHA512

    94a7541e9a82c70791064c97cc94c75ec27362615867157e20ba62ac1b9d712bddee06b633ef48c9fde54f1778b8b29ba034beec0d05f317d4cd0b47a534fc43

  • SSDEEP

    768:ly4GM66uNWJJG41zHClKhv5QO1IthaMolDGA3hwP:WRwJJt1OEhQO1IvY3hwP

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract for collaboration.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract for collaboration.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" cmd /c timeout 20
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout 20
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2556
        • C:\Windows\SysWOW64\timeout.exe
          timeout 20
          4⤵
          • Delays execution with timeout.exe
          PID:4840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 1296
      2⤵
      • Program crash
      PID:2864
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1128 -ip 1128
    1⤵
      PID:4948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3md2cxv1.diw.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1128-23-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1128-28-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1128-1-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/1128-24-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/1128-0-0x0000000000670000-0x000000000067A000-memory.dmp

      Filesize

      40KB

    • memory/1128-2-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/5084-6-0x0000000005100000-0x0000000005110000-memory.dmp

      Filesize

      64KB

    • memory/5084-8-0x0000000005780000-0x00000000057A2000-memory.dmp

      Filesize

      136KB

    • memory/5084-4-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-7-0x00000000057D0000-0x0000000005DF8000-memory.dmp

      Filesize

      6.2MB

    • memory/5084-20-0x0000000006280000-0x00000000065D4000-memory.dmp

      Filesize

      3.3MB

    • memory/5084-10-0x0000000006110000-0x0000000006176000-memory.dmp

      Filesize

      408KB

    • memory/5084-21-0x0000000006710000-0x000000000672E000-memory.dmp

      Filesize

      120KB

    • memory/5084-22-0x0000000006770000-0x00000000067BC000-memory.dmp

      Filesize

      304KB

    • memory/5084-5-0x0000000005100000-0x0000000005110000-memory.dmp

      Filesize

      64KB

    • memory/5084-3-0x0000000005160000-0x0000000005196000-memory.dmp

      Filesize

      216KB

    • memory/5084-25-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-27-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/5084-9-0x0000000005FF0000-0x0000000006056000-memory.dmp

      Filesize

      408KB