Analysis

  • max time kernel
    157s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    10/05/2022, 19:23

General

  • Target

    Invoice May 2 to 6 2022.exe

  • Size

    300.0MB

  • MD5

    9ee044706961afb5c1b1cc98936786b5

  • SHA1

    b583dd8cb884cc786ae6ccb5c007537f42ca20d0

  • SHA256

    9fd0b4d7a63cd7cd3574b4f6a766f99f6c3ec1d1a9f83627e5c10a811f289657

  • SHA512

    255752dd32861a2935509cd54d9ee78e59340ae292216d91243593682b5b876bfe3c157d4396dc4a692d067fe90f4260acc4431baeed06dab1ce4739fcaccb03

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice May 2 to 6 2022.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice May 2 to 6 2022.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\laoqp.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\laoqp.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\Invoice May 2 to 6 2022.exe" "C:\Users\Admin\AppData\Roaming\laoqp.exe"
      2⤵
        PID:4952
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4764
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 184
            3⤵
            • Program crash
            PID:4920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4764 -ip 4764
        1⤵
          PID:4080
        • C:\Users\Admin\AppData\Roaming\laoqp.exe
          C:\Users\Admin\AppData\Roaming\laoqp.exe
          1⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4904
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\laoqp.exe'" /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1524
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\laoqp.exe'" /f
              3⤵
              • Creates scheduled task(s)
              PID:460
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\laoqp.exe" "C:\Users\Admin\AppData\Roaming\laoqp.exe"
            2⤵
              PID:3272
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              2⤵
                PID:504
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 504 -s 540
                  3⤵
                  • Program crash
                  PID:4704
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 504 -ip 504
              1⤵
                PID:3456

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Roaming\laoqp.exe

                      Filesize

                      300.0MB

                      MD5

                      9ee044706961afb5c1b1cc98936786b5

                      SHA1

                      b583dd8cb884cc786ae6ccb5c007537f42ca20d0

                      SHA256

                      9fd0b4d7a63cd7cd3574b4f6a766f99f6c3ec1d1a9f83627e5c10a811f289657

                      SHA512

                      255752dd32861a2935509cd54d9ee78e59340ae292216d91243593682b5b876bfe3c157d4396dc4a692d067fe90f4260acc4431baeed06dab1ce4739fcaccb03

                    • C:\Users\Admin\AppData\Roaming\laoqp.exe

                      Filesize

                      300.0MB

                      MD5

                      9ee044706961afb5c1b1cc98936786b5

                      SHA1

                      b583dd8cb884cc786ae6ccb5c007537f42ca20d0

                      SHA256

                      9fd0b4d7a63cd7cd3574b4f6a766f99f6c3ec1d1a9f83627e5c10a811f289657

                      SHA512

                      255752dd32861a2935509cd54d9ee78e59340ae292216d91243593682b5b876bfe3c157d4396dc4a692d067fe90f4260acc4431baeed06dab1ce4739fcaccb03

                    • memory/504-147-0x0000000000570000-0x0000000000954000-memory.dmp

                      Filesize

                      3.9MB

                    • memory/504-148-0x0000000000570000-0x0000000000954000-memory.dmp

                      Filesize

                      3.9MB

                    • memory/2568-130-0x0000000000910000-0x0000000000AD6000-memory.dmp

                      Filesize

                      1.8MB

                    • memory/2568-132-0x0000000005480000-0x0000000005512000-memory.dmp

                      Filesize

                      584KB

                    • memory/2568-131-0x0000000005AE0000-0x0000000006084000-memory.dmp

                      Filesize

                      5.6MB

                    • memory/4764-139-0x0000000000610000-0x00000000009F4000-memory.dmp

                      Filesize

                      3.9MB

                    • memory/4764-138-0x0000000000610000-0x00000000009F4000-memory.dmp

                      Filesize

                      3.9MB