Analysis

  • max time kernel
    57s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2023 07:58

General

  • Target

    2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5.xlsm

  • Size

    59KB

  • MD5

    eb20ca63dc3badc1a48072d33bd6428b

  • SHA1

    0cdf69cc3fa1612503c82bbb9b947c15e3267ce1

  • SHA256

    2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5

  • SHA512

    a8068815cafacc2c29b41c31cbdf03937fba2721c8169b5c326c18e2f305400390400af878c2626647a2bfd5e63857bbc64466cc8cea23049ba5cd0e036cea97

  • SSDEEP

    1536:x0AumW5DkaWwd92IkkIC+kyXEHz4LGLxZeOJI/Bdq/gn4L:xBuPuldkIlETXLPjJMn4L

Score
10/10

Malware Config

Extracted

Language
vba
URLs
vba.dropper

https://kadifpromo.dz/wnojmqyf2.zip

vba.dropper

https://elleaesthetics.com.au/gb66aagmv.zip

vba.dropper

https://clients.siplprojects.co.in/b77s7p.rar

vba.dropper

https://office.loopweb.lk/fncoyg4.zip

vba.dropper

https://cogitosoftware.in/p1sopys.zip

vba.dropper

https://borioliadvogados.com.br/myl708i.rar

vba.dropper

https://app.catholicchurch.co.in/nvrcx1s7.zip

vba.dropper

https://web2web.in/fv5si1r.zip

vba.dropper

https://lswesbank.co.za/dd7sliu8.rar

vba.dropper

https://maverickhiliving.in/w82ukfls.zip

vba.dropper

https://demo2.advisorhelp.ca/w2pooit.rar

vba.dropper

https://magnobrasiladvogados.com.br/wsr1van.zip

vba.dropper

https://report.solusitec.com.mx/jbi0j33.rar

vba.dropper

https://lgturviagens.resultaweb.com.br/g29mvj.rar

vba.dropper

https://svtn.mvmms.in/nsptybjik.zip

vba.dropper

https://atacado.bigstorex.com.br/o4jmmf.zip

vba.dropper

https://ipcc.project.webscript.co.in/qj6yee.zip

vba.dropper

https://fasttrips.resultaweb.com.br/kxejqa.zip

vba.dropper

https://phadishago.co.za/tfpyr6oh.zip

vba.dropper

https://mvswf17.mvmms.in/ljgdnra.rar

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://downloads.iyclm.in/juvd9q.rar

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Office loads VBA resources, possible macro or embedded object present
  • 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\2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5.xlsm
    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:1080
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s C:\Users\Admin\AppData\Local\Temp\rrjkm.dll.
      2⤵
      • Process spawned unexpected child process
      PID:1800

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/1080-54-0x000000002FE31000-0x000000002FE34000-memory.dmp
    Filesize

    12KB

  • memory/1080-55-0x0000000070EE1000-0x0000000070EE3000-memory.dmp
    Filesize

    8KB

  • memory/1080-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1080-57-0x0000000071ECD000-0x0000000071ED8000-memory.dmp
    Filesize

    44KB

  • memory/1080-58-0x0000000075671000-0x0000000075673000-memory.dmp
    Filesize

    8KB

  • memory/1080-61-0x0000000071ECD000-0x0000000071ED8000-memory.dmp
    Filesize

    44KB

  • memory/1800-59-0x0000000000000000-mapping.dmp