Analysis

  • max time kernel
    184s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 06:35

General

  • Target

    df2070a83a8dc588d12e09c9c18e41a7464584dcf13dcb23de4c2b49bc29b206.xls

  • Size

    940KB

  • MD5

    bd4d3897b916b08db608453fbd976f35

  • SHA1

    396bbf122e3ea69e886c1dcb39fbb1cfe028f78c

  • SHA256

    df2070a83a8dc588d12e09c9c18e41a7464584dcf13dcb23de4c2b49bc29b206

  • SHA512

    7cab748e296f440ce762e099a92c8bcd2e57dee177cd3cf1f9e476983739b6a9a0d8931aa072aa6fe2054ea4052c5d20092f1f5112a3f1503c980d7eb1856e90

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • Loads dropped DLL 1 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 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 26 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\df2070a83a8dc588d12e09c9c18e41a7464584dcf13dcb23de4c2b49bc29b206.xls"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1444

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\contract_.dll

      Filesize

      234KB

      MD5

      4224c05eb24238e24a124eecee907cec

      SHA1

      551979d132b3e45aaab7ea8e18441b303f49a74a

      SHA256

      6d5c207c998990f1e7c527971dfe0eb6d2b21fca136d616e6e211019d1c77698

      SHA512

      ef4b9f06fcdd091ac818974cd777a6fdf5cd88a70f8f5fad33173ae70905b8487d60acb4af2ddb6c73d2789085f28ec1134e5efdc6a9659b0417d8fa350e7638

    • memory/1348-143-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-132-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-134-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-133-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-135-0x00007FFE32930000-0x00007FFE32940000-memory.dmp

      Filesize

      64KB

    • memory/1348-136-0x00007FFE32930000-0x00007FFE32940000-memory.dmp

      Filesize

      64KB

    • memory/1348-131-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-146-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-137-0x000001C22E0D0000-0x000001C22E0D4000-memory.dmp

      Filesize

      16KB

    • memory/1348-141-0x0000000050DA0000-0x0000000050DF2000-memory.dmp

      Filesize

      328KB

    • memory/1348-140-0x000001C2351E0000-0x000001C2351E3000-memory.dmp

      Filesize

      12KB

    • memory/1348-130-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-144-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB

    • memory/1348-145-0x00007FFE34990000-0x00007FFE349A0000-memory.dmp

      Filesize

      64KB