Analysis

  • max time kernel
    17s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-11-2020 14:05

General

  • Target

    Inv_997240_527764.xlsm

  • Size

    51KB

  • MD5

    ed931b0cc827a4f9051f80b6598a4f6e

  • SHA1

    4ec5ef894b046c2486b63b503c6b93fc2c873188

  • SHA256

    a0f15919fdcbd8208938d1118be24041fc917ca3a9a7be768eb08574fe80f447

  • SHA512

    a7c7c5b2aca294cd15ff57bbbaf62d0b410ae0618c2a61bda4e2685cd6dc490cdc53dad8a329c96e59143cdb06cf32f781bd7554bd78ff45f11a0a7bac21bf5e

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Program crash 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 behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\Inv_997240_527764.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1272
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1272 -s 3044
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:360

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/360-7-0x0000017135120000-0x0000017135121000-memory.dmp
    Filesize

    4KB

  • memory/360-8-0x0000017135120000-0x0000017135121000-memory.dmp
    Filesize

    4KB

  • memory/360-10-0x0000017135E90000-0x0000017135E91000-memory.dmp
    Filesize

    4KB

  • memory/360-11-0x0000017135E90000-0x0000017135E91000-memory.dmp
    Filesize

    4KB

  • memory/1272-0-0x00007FF8D9D90000-0x00007FF8DA3C7000-memory.dmp
    Filesize

    6.2MB

  • memory/1272-2-0x000001FC60E65000-0x000001FC60EB1000-memory.dmp
    Filesize

    304KB

  • memory/1272-3-0x000001FC60E65000-0x000001FC60EB1000-memory.dmp
    Filesize

    304KB

  • memory/1272-4-0x000001FC61220000-0x000001FC61223000-memory.dmp
    Filesize

    12KB

  • memory/1272-5-0x000001FC63D9C000-0x000001FC63DDA000-memory.dmp
    Filesize

    248KB

  • memory/1272-6-0x000001FC63D9C000-0x000001FC63DDA000-memory.dmp
    Filesize

    248KB