Overview

overview

10

Static

static

8

inform_1373.xlsb

windows7_x64

10

inform_1373.xlsb

windows10_x64

10

Analysis

  • max time kernel
    137s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 06:37

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General

  • Target

    inform_1373.xlsb

  • Size

    74KB

  • MD5

    4ce66b772dc6f8c4de59f8ebf6cae765

  • SHA1

    a5deb92e214d8c21b159d9a9682ade54a0172766

  • SHA256

    f9e9300992a934b5c46671bfd308552b4c565427eb7c9f744be2f8631d038597

  • SHA512

    4063e260d0c198cee636fb04627cc3045e7c5de5b8f1674c7fbbeaefb028c28bf7e1c55076d300979f7fd994b62495d7c97b7e62e4975c0e1455f882f2cd20cc

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.

  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\inform_1373.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\NvuiUvS\esardhI\DxmHxoC.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3984-7-0x0000000000000000-mapping.dmp
    Download
  • memory/4688-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-5-0x00007FFEEB2C0000-0x00007FFEEB8F7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download