Resubmissions

16-06-2022 16:21

220616-ttrs8afhhq 10

13-06-2022 09:28

220613-lfsjlafcfl 10

13-06-2022 08:34

220613-kgyxbsbab6 8

Analysis

  • max time kernel
    978s
  • max time network
    984s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-it
  • submitted
    16-06-2022 16:21

General

  • Target

    varacalli-file-13.06.2022.docm

  • Size

    1.9MB

  • MD5

    f2dbc8b51a88d4c6631042bb0f62df74

  • SHA1

    b9769be211e29dec9c7a03c0d255d2abbee9f73c

  • SHA256

    9894b3d3ab4a2f3303c0aea040cae4c50e5d9711fd5cb24b9c2500f5be9a23fe

  • SHA512

    354527aaaccfc18315b866fb6375b3fddeb9d264297127868fb06cb1b11da8e77e9bd07c73a040bd6a6bc5a9079651642b33f9db2267fdbc40f1b79d41dad41e

Malware Config

Signatures

  • Detects SVCReady loader 1 IoCs
  • SVCReady

    SVCReady is a malware loader first seen in April 2022.

  • suricata: ET MALWARE Observed Win32/SVCReady Loader User-Agent

    suricata: ET MALWARE Observed Win32/SVCReady Loader User-Agent

  • suricata: ET MALWARE Win32/SVCReady Loader CnC Activity M2

    suricata: ET MALWARE Win32/SVCReady Loader CnC Activity M2

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 18 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\varacalli-file-13.06.2022.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Users\Admin\AppData\Local\Temp\r9178.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\r9178.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y8C08.tmp.dll",DllRegisterServer
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\SysWOW64\systeminfo.exe
        C:\Windows\System32\systeminfo.exe
        3⤵
        • Gathers system information
        PID:2720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\r9178.tmp.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Users\Admin\AppData\Local\Temp\r9178.tmp.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Users\Admin\AppData\Local\Temp\y8C08.tmp.dll

    Filesize

    816KB

    MD5

    94ed97a7d00dfeb3356df3fd73fa5c38

    SHA1

    0f926e5bb2389ad919b438a2d1b9a24e93c9e501

    SHA256

    788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

    SHA512

    8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

  • C:\Users\Admin\AppData\Local\Temp\y8C08.tmp.dll

    Filesize

    816KB

    MD5

    94ed97a7d00dfeb3356df3fd73fa5c38

    SHA1

    0f926e5bb2389ad919b438a2d1b9a24e93c9e501

    SHA256

    788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

    SHA512

    8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

  • C:\Users\Admin\AppData\Local\Temp\y8C08.tmp.dll

    Filesize

    816KB

    MD5

    94ed97a7d00dfeb3356df3fd73fa5c38

    SHA1

    0f926e5bb2389ad919b438a2d1b9a24e93c9e501

    SHA256

    788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

    SHA512

    8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

  • memory/2720-161-0x0000000000000000-mapping.dmp

  • memory/3656-154-0x00000144A1340000-0x00000144A1436000-memory.dmp

    Filesize

    984KB

  • memory/3656-156-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-138-0x00000144A1B0E000-0x00000144A1CF1000-memory.dmp

    Filesize

    1.9MB

  • memory/3656-139-0x00000144A1340000-0x00000144A1436000-memory.dmp

    Filesize

    984KB

  • memory/3656-131-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-136-0x00007FF88ADD0000-0x00007FF88ADE0000-memory.dmp

    Filesize

    64KB

  • memory/3656-135-0x00007FF88ADD0000-0x00007FF88ADE0000-memory.dmp

    Filesize

    64KB

  • memory/3656-134-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-159-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-133-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-132-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-158-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-157-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-152-0x000001449C8A9000-0x000001449C8AB000-memory.dmp

    Filesize

    8KB

  • memory/3656-153-0x00000144A1B0E000-0x00000144A1CF1000-memory.dmp

    Filesize

    1.9MB

  • memory/3656-130-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

    Filesize

    64KB

  • memory/3656-137-0x000001449C8A9000-0x000001449C8AB000-memory.dmp

    Filesize

    8KB

  • memory/5100-151-0x0000000000BB0000-0x0000000000BB6000-memory.dmp

    Filesize

    24KB

  • memory/5100-147-0x0000000000CE0000-0x0000000000DAF000-memory.dmp

    Filesize

    828KB

  • memory/5100-146-0x0000000000CE0000-0x0000000000DAF000-memory.dmp

    Filesize

    828KB

  • memory/5100-160-0x0000000003F50000-0x0000000003FEC000-memory.dmp

    Filesize

    624KB

  • memory/5100-140-0x0000000000000000-mapping.dmp