Overview

overview

10

Static

static

8

obligation...8].xls

windows7_x64

10

obligation...8].xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-03-2021 17:52

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General

  • Target

    obligations (88)[3478].xls

  • Size

    317KB

  • MD5

    78bdd8ac2ff1478b2bf628d4e5dcde9c

  • SHA1

    745d763b1cd4b0bda8dafaeb9fc53d3db237c5ac

  • SHA256

    5e3f0cb52eb4774aac49f3d250347dd99f5535fb6241ab33127c1534f59799d2

  • SHA512

    eaa82b328f4e90a346d1f23e81ec13d83779b663afe863556b9126dfa9e7a0d19208e71bf2d03b5335cb24366fde273430d511df1415bbd1e833f9a15e56c1cd

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 15 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\obligations (88)[3478].xls"
    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:1144
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zdfb.zgz,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:416

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/416-7-0x0000000000000000-mapping.dmp
    Download
  • memory/1144-2-0x00007FFDFD230000-0x00007FFDFD240000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-3-0x00007FFDFD230000-0x00007FFDFD240000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-4-0x00007FFDFD230000-0x00007FFDFD240000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-5-0x00007FFE20AF0000-0x00007FFE21127000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1144-6-0x00007FFDFD230000-0x00007FFDFD240000-memory.dmp
    Filesize

    64KB

    Download