Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2022 10:12

General

  • Target

    sample20220809-01.xls

  • Size

    84KB

  • MD5

    5bc2a4eefe16c8465f076bdfc3d38870

  • SHA1

    71d800ce5f7cbd5f9d3ba9a16626c592bbc28c46

  • SHA256

    89d6b9a0f7d4f30f5021a893925dfbea12051a0d3e5f5845fd1bc45b74eed830

  • SHA512

    84b5ead8d2a3be2f86d3b568a1eaf22c425910d5bb7df75e31264aa4c79eb4b8e86f9728b8b7f6400026e782a6114a0626a8bb0f806e44ac688039077b6970c0

Score
10/10

Malware Config

Signatures

  • Detects SVCReady loader 1 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • SVCReady

    SVCReady is a malware loader first seen in April 2022.

  • Downloads MZ/PE file
  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 3 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\sample20220809-01.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3148
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\Documents\10039.
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\Documents\10039.
      2⤵
      • Loads dropped DLL
      PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\10039

    Filesize

    1.2MB

    MD5

    6826bda418d4b39a0defd2c320895bf4

    SHA1

    7533cc0767670b14843fb2978a92f11175578b6a

    SHA256

    9ff005f5b6b3302b23ff4b3f08a9dffbb48d5da08a31538197606efca2e4dcd1

    SHA512

    8c58314cc1e2aca736f7ca3017416fb3b6e4230755f5aafb6e554565475f7abe243972dfc021b7c9f0dce46b7a0b385cac07d0ac99d9101e5bf12f5dfe9b18b7

  • C:\Users\Admin\Documents\10039

    Filesize

    1.2MB

    MD5

    6826bda418d4b39a0defd2c320895bf4

    SHA1

    7533cc0767670b14843fb2978a92f11175578b6a

    SHA256

    9ff005f5b6b3302b23ff4b3f08a9dffbb48d5da08a31538197606efca2e4dcd1

    SHA512

    8c58314cc1e2aca736f7ca3017416fb3b6e4230755f5aafb6e554565475f7abe243972dfc021b7c9f0dce46b7a0b385cac07d0ac99d9101e5bf12f5dfe9b18b7

  • memory/1312-142-0x0000000010000000-0x0000000010091000-memory.dmp

    Filesize

    580KB

  • memory/3148-132-0x00007FFAC4490000-0x00007FFAC44A0000-memory.dmp

    Filesize

    64KB

  • memory/3148-133-0x00007FFAC4490000-0x00007FFAC44A0000-memory.dmp

    Filesize

    64KB

  • memory/3148-134-0x00007FFAC4490000-0x00007FFAC44A0000-memory.dmp

    Filesize

    64KB

  • memory/3148-135-0x00007FFAC4490000-0x00007FFAC44A0000-memory.dmp

    Filesize

    64KB

  • memory/3148-136-0x00007FFAC4490000-0x00007FFAC44A0000-memory.dmp

    Filesize

    64KB

  • memory/3148-137-0x00007FFAC1B30000-0x00007FFAC1B40000-memory.dmp

    Filesize

    64KB

  • memory/3148-138-0x00007FFAC1B30000-0x00007FFAC1B40000-memory.dmp

    Filesize

    64KB