Overview

overview

10

Static

static

8

ST.108.xls

windows7_x64

10

ST.108.xls

windows10_x64

10

Analysis

  • max time kernel
    75s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    09-07-2020 15:58

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General

  • Target

    ST.108.xls

  • Size

    149KB

  • MD5

    daa44ecf68d1e253ea6ee80264251475

  • SHA1

    0897bd18d2e57c19d531ca5bfedcddffe19494b8

  • SHA256

    aa43a0173f2a2ba38d22df91178a9783c42f4e2a9a0947592a3ede9eef05f96b

  • SHA512

    c03e4aae0f13feed47d74a758593a8bbb8400caa207bb38a3e8f972e374f0a589018c16df9b85de420b806551246e52fe4dfdb9308882a729b880a88581b64c6

Score
10/10

Malware Config

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Modifies registry class 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 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\ST.108.xls"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    PID:3676
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\fP3PwKsx.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3216
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    • Modifies registry class
    PID:2912
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fP3PwKsx.vbs"
      2⤵
        PID:2668

    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

    • C:\Users\Admin\AppData\Local\Temp\RfHtQ.txt
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    • C:\Users\Admin\AppData\Local\Temp\fP3PwKsx.vbs
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    • memory/2668-2-0x0000000000000000-mapping.dmp
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    • memory/3216-0-0x0000000000000000-mapping.dmp
      Download