Analysis

  • max time kernel
    153s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    08/12/2021, 11:41

General

  • Target
    Payment Confirmation.pdf.exe
  • Size 2.2MB
  • Sample211208-ntfhasaafn
  • SHA256 ae7f27cb47faadb14fd76d3669d0aa2bcbfccf8afb06da7431f55abd381a1197
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 63 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1664
        • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1952
          • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
            5⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:968
            • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
              "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
              6⤵
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:668
              • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
                "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
                7⤵
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                PID:1744
                • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
                  "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
                  8⤵
                  • Drops startup file
                  • Loads dropped DLL
                  • Drops file in Program Files directory
                  PID:1936
              • C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe"
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • Adds Run key to start application
                • Suspicious use of AdjustPrivilegeToken
                PID:1448
                • C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\ProfSvc.exe"
                  8⤵
                  • Executes dropped EXE
                  PID:1632
              • C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\AeLookupSvi.exe"
                7⤵
                • Executes dropped EXE
                PID:1992
            • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1396
              • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
                7⤵
                • Executes dropped EXE
                PID:1136
            • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
              6⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of AdjustPrivilegeToken
              PID:1124

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/668-105-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-101-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-103-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-102-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-104-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-115-0x0000000000510000-0x0000000000511000-memory.dmp

        memory/668-107-0x0000000000400000-0x0000000000500000-memory.dmp

        memory/668-109-0x0000000000240000-0x0000000000246000-memory.dmp

        memory/968-93-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/968-100-0x0000000002410000-0x0000000002411000-memory.dmp

        memory/968-95-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/968-97-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/968-94-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/968-91-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/968-99-0x0000000000530000-0x0000000000538000-memory.dmp

        memory/968-92-0x0000000000400000-0x000000000051A000-memory.dmp

        memory/1060-63-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1060-65-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1060-67-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1060-69-0x0000000000340000-0x0000000000346000-memory.dmp

        memory/1060-70-0x00000000052B0000-0x00000000052B1000-memory.dmp

        memory/1060-64-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1060-62-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1060-61-0x0000000000400000-0x0000000000540000-memory.dmp

        memory/1124-128-0x00000000021D0000-0x00000000021D1000-memory.dmp

        memory/1136-124-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

        memory/1136-121-0x0000000000A80000-0x0000000000A81000-memory.dmp

        memory/1396-116-0x0000000000140000-0x0000000000141000-memory.dmp

        memory/1448-144-0x0000000001D40000-0x0000000001D41000-memory.dmp

        memory/1632-153-0x0000000004F50000-0x0000000004F51000-memory.dmp

        memory/1632-149-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

        memory/1664-75-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-71-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-72-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-74-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-73-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-77-0x0000000000400000-0x0000000000534000-memory.dmp

        memory/1664-79-0x0000000005170000-0x0000000005171000-memory.dmp

        memory/1664-80-0x00000000006E0000-0x00000000006E7000-memory.dmp

        memory/1744-135-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-129-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-139-0x0000000000250000-0x0000000000256000-memory.dmp

        memory/1744-133-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-132-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-131-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-130-0x0000000000400000-0x00000000004EA000-memory.dmp

        memory/1744-143-0x0000000002580000-0x0000000002581000-memory.dmp

        memory/1836-57-0x0000000075D41000-0x0000000075D43000-memory.dmp

        memory/1836-58-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

        memory/1836-59-0x0000000000510000-0x0000000000515000-memory.dmp

        memory/1836-60-0x0000000008060000-0x00000000082E3000-memory.dmp

        memory/1836-55-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

        memory/1936-171-0x0000000000130000-0x0000000000131000-memory.dmp

        memory/1936-170-0x0000000000400000-0x00000000004DB000-memory.dmp

        memory/1952-87-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-82-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-83-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-84-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-85-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-81-0x0000000000400000-0x0000000000528000-memory.dmp

        memory/1952-89-0x0000000000550000-0x0000000000557000-memory.dmp

        memory/1952-90-0x0000000005010000-0x0000000005011000-memory.dmp

        memory/1992-157-0x0000000000A60000-0x0000000000A61000-memory.dmp