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
    70s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    13-06-2022 08:34

General

  • Target

    varacalli-file-13.06.2022.docm

  • Size

    1.9MB

  • MD5

    f2dbc8b51a88d4c6631042bb0f62df74

  • SHA1

    b9769be211e29dec9c7a03c0d255d2abbee9f73c

  • SHA256

    9894b3d3ab4a2f3303c0aea040cae4c50e5d9711fd5cb24b9c2500f5be9a23fe

  • SHA512

    354527aaaccfc18315b866fb6375b3fddeb9d264297127868fb06cb1b11da8e77e9bd07c73a040bd6a6bc5a9079651642b33f9db2267fdbc40f1b79d41dad41e

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\varacalli-file-13.06.2022.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1548
      • C:\Users\Admin\AppData\Local\Temp\r20DC.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\r20DC.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\y8F.tmp.dll",DllRegisterServer
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:392

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\r20DC.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\r20DC.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • C:\Users\Admin\AppData\Local\Temp\y8F.tmp.dll

      Filesize

      816KB

      MD5

      94ed97a7d00dfeb3356df3fd73fa5c38

      SHA1

      0f926e5bb2389ad919b438a2d1b9a24e93c9e501

      SHA256

      788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

      SHA512

      8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

    • \Users\Admin\AppData\Local\Temp\r20DC.tmp.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\y8F.tmp.dll

      Filesize

      816KB

      MD5

      94ed97a7d00dfeb3356df3fd73fa5c38

      SHA1

      0f926e5bb2389ad919b438a2d1b9a24e93c9e501

      SHA256

      788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

      SHA512

      8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

    • \Users\Admin\AppData\Local\Temp\y8F.tmp.dll

      Filesize

      816KB

      MD5

      94ed97a7d00dfeb3356df3fd73fa5c38

      SHA1

      0f926e5bb2389ad919b438a2d1b9a24e93c9e501

      SHA256

      788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

      SHA512

      8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

    • \Users\Admin\AppData\Local\Temp\y8F.tmp.dll

      Filesize

      816KB

      MD5

      94ed97a7d00dfeb3356df3fd73fa5c38

      SHA1

      0f926e5bb2389ad919b438a2d1b9a24e93c9e501

      SHA256

      788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

      SHA512

      8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

    • \Users\Admin\AppData\Local\Temp\y8F.tmp.dll

      Filesize

      816KB

      MD5

      94ed97a7d00dfeb3356df3fd73fa5c38

      SHA1

      0f926e5bb2389ad919b438a2d1b9a24e93c9e501

      SHA256

      788d09f17caf8e95bc28d1f122bb2b3ffb4567c1dc92856428327ebe1ac26ce4

      SHA512

      8e26f88f187d34d5f1d292dee9179c0451b188c7abb87d51b8594357d12f9c81f6e7eb629769e1c620c693364387a557b1173315038000529c946c0da2bc93ae

    • memory/364-87-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-95-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-64-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-65-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-66-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-67-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-68-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-70-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-69-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-73-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-72-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-71-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-74-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-75-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-77-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-76-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-78-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-79-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-82-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-83-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-81-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-80-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-85-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-84-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-88-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-89-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-54-0x0000000072471000-0x0000000072474000-memory.dmp

      Filesize

      12KB

    • memory/364-86-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-90-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-91-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-94-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-63-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-93-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-92-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-97-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-96-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-98-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-100-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-99-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-101-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-102-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-103-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-125-0x0000000002320000-0x00000000023D3000-memory.dmp

      Filesize

      716KB

    • memory/364-124-0x0000000005AA0000-0x0000000005C00000-memory.dmp

      Filesize

      1.4MB

    • memory/364-106-0x0000000005AA0000-0x0000000005C00000-memory.dmp

      Filesize

      1.4MB

    • memory/364-107-0x0000000002320000-0x00000000023D3000-memory.dmp

      Filesize

      716KB

    • memory/364-62-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-123-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

      Filesize

      44KB

    • memory/364-61-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-60-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-59-0x00000000005C7000-0x00000000005CB000-memory.dmp

      Filesize

      16KB

    • memory/364-55-0x000000006FEF1000-0x000000006FEF3000-memory.dmp

      Filesize

      8KB

    • memory/364-58-0x00000000755C1000-0x00000000755C3000-memory.dmp

      Filesize

      8KB

    • memory/364-57-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

      Filesize

      44KB

    • memory/364-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/392-117-0x0000000001C90000-0x0000000001D5F000-memory.dmp

      Filesize

      828KB

    • memory/392-118-0x0000000001C90000-0x0000000001D5F000-memory.dmp

      Filesize

      828KB

    • memory/392-122-0x00000000000E0000-0x00000000000E6000-memory.dmp

      Filesize

      24KB

    • memory/392-109-0x0000000000000000-mapping.dmp

    • memory/1548-105-0x000007FEFBAF1000-0x000007FEFBAF3000-memory.dmp

      Filesize

      8KB

    • memory/1548-104-0x0000000000000000-mapping.dmp