Resubmissions

10-04-2022 07:53

220410-jq25nsgaen 10

10-04-2020 08:18

200410-tmzpvazbjn 10

Analysis

  • max time kernel
    4294205s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    10-04-2022 07:53

General

  • Target

    William Smith Resume.xls

  • Size

    163KB

  • MD5

    0a054818926d97f4100774255a908dba

  • SHA1

    de572eddd30b34d1e328c8d5fb986cc1e04c82e8

  • SHA256

    0fba1f02cd2872efc4cdc6806bc49d786005f590971ee31f97ce71c1ccf87fe2

  • SHA512

    21659d1132eef51aaf43f7c3dffde06e7018e7d9847c7a7106eb9aee2747f9c6a967a80ab052db17903b0ac9cb63ee3c8371725f4206decff13dbbe996bcf3f1

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://march262020.com/files/april8.dll

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

    suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\William Smith Resume.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\ProgramData\ieTneVi.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1984

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1280-54-0x000000002FD71000-0x000000002FD74000-memory.dmp
    Filesize

    12KB

  • memory/1280-55-0x0000000071481000-0x0000000071483000-memory.dmp
    Filesize

    8KB

  • memory/1280-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1280-57-0x000000007246D000-0x0000000072478000-memory.dmp
    Filesize

    44KB

  • memory/1984-58-0x0000000000000000-mapping.dmp
  • memory/1984-59-0x0000000076071000-0x0000000076073000-memory.dmp
    Filesize

    8KB