Analysis

  • max time kernel
    128s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:04

General

  • Target

    8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304.xls

  • Size

    95KB

  • MD5

    953d3007f13082c669f37fd8fd642b4c

  • SHA1

    eb161037aaa5c25639f08e642597e8023821efc7

  • SHA256

    8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304

  • SHA512

    e0241735a034f438899d0d0e856d2de31932d46780261253291cdbcc508ec454f68b89ba4720f42712175c2e65a63acfd59eb7036bd7d599fc31c14be9974123

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Signatures

  • Process spawned unexpected child process 4 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 8 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\8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304.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:1296
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3444
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2764
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2260
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3856

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1296-294-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-117-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-118-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-119-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-128-0x00007FFAC4750000-0x00007FFAC4760000-memory.dmp
    Filesize

    64KB

  • memory/1296-129-0x00007FFAC4750000-0x00007FFAC4760000-memory.dmp
    Filesize

    64KB

  • memory/1296-116-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-295-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-292-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/1296-293-0x00007FFAC7680000-0x00007FFAC7690000-memory.dmp
    Filesize

    64KB

  • memory/2260-254-0x0000000000000000-mapping.dmp
  • memory/2764-253-0x0000000000000000-mapping.dmp
  • memory/3444-252-0x0000000000000000-mapping.dmp
  • memory/3856-255-0x0000000000000000-mapping.dmp