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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 05:10

General

  • Target

    891e69cb1cde7862dc9176254867466b_JaffaCakes118.exe

  • Size

    508KB

  • MD5

    891e69cb1cde7862dc9176254867466b

  • SHA1

    6f55b9b414acd5ff1bc1aa03b8bf40460702a3d7

  • SHA256

    b809eb6146962c7c16d350e440a6f8aaebbad5bf8b8ede9329db7d5dd202fa4a

  • SHA512

    ed688f2f891e2ffd44a76e2457df641960361608c6577d5515dc68aee4e6a2edf013d3769d6383e0fd70b45d557d8246ee22c5a0c2a54603aafe9e9593c5ef20

  • SSDEEP

    6144:ej6/wndfF/gl0LQIk8DR3dEuAI7pEfxsZozAm9TMdGQLUg1nYmefPImdrionw08j:k6onxOp8FySpE5zvIdtU+Ymef8049

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • UAC bypass 3 TTPs 13 IoCs
  • Adds policy Run key to start application 2 TTPs 28 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 4 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 8 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 32 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\891e69cb1cde7862dc9176254867466b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\891e69cb1cde7862dc9176254867466b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Users\Admin\AppData\Local\Temp\hrnoqjwarbx.exe
      "C:\Users\Admin\AppData\Local\Temp\hrnoqjwarbx.exe" "c:\users\admin\appdata\local\temp\891e69cb1cde7862dc9176254867466b_jaffacakes118.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3016
      • C:\Users\Admin\AppData\Local\Temp\ipwbek.exe
        "C:\Users\Admin\AppData\Local\Temp\ipwbek.exe" "-C:\Users\Admin\AppData\Local\Temp\ulcreusewjqfgmtr.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Impair Defenses: Safe Mode Boot
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Hijack Execution Flow: Executable Installer File Permissions Weakness
        • Drops autorun.inf file
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:2712
      • C:\Users\Admin\AppData\Local\Temp\ipwbek.exe
        "C:\Users\Admin\AppData\Local\Temp\ipwbek.exe" "-C:\Users\Admin\AppData\Local\Temp\ulcreusewjqfgmtr.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Hijack Execution Flow: Executable Installer File Permissions Weakness
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:1864
    • C:\Users\Admin\AppData\Local\Temp\hrnoqjwarbx.exe
      "C:\Users\Admin\AppData\Local\Temp\hrnoqjwarbx.exe" "c:\users\admin\appdata\local\temp\891e69cb1cde7862dc9176254867466b_jaffacakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System policy modification
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    062e6ce29b824ce16763c22ffee74c68

    SHA1

    3fe6e04de5a29210425ea2f251e6cd468d8bffad

    SHA256

    3961f4f7dfd3560ff165a248a3d68c215fc810c087c96939e6baefe7c8bea5a6

    SHA512

    ba914145145e2bbf7b230fb30f0d3a9c1793d8f5bc6f1807e7baf76dd3411fdcb4d257426685da3880c6a0dee808116ac018b76b37ddf1bc7da434b229eaf47e

  • C:\Program Files (x86)\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    07a8e8559e04bf0e62f8ed069d1f6d49

    SHA1

    5f8f2429e357ec577ed1801d796458164b27015b

    SHA256

    3d27f3a3472634f4165878c25d98dc9a45a23cc8cb91a565b1b385d7cbb6e5d5

    SHA512

    2fbc256c7d133f3935c75186ed4ad65e2927bf8525159f0795f981c05da9b989cec02114a845ac030deeecd5e07b5a1f4aed664965f118687797a88dc933003b

  • C:\Program Files (x86)\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    32d17e05d255ca63722408f155d25622

    SHA1

    3710511b292fce5c43b88146982c8bcdaa393328

    SHA256

    686befd708b1e010fd2e0b5157a3c24477c46718b48166dfd1526e9914221d6e

    SHA512

    85863bfc1dd5f0518a472276fdbe370fc3f27a9ebc795ca191765e79baf1d0879ddb361bf7c8969cf649302798b3cb5523b0034576794e1b62b5f9d33303ac63

  • C:\Program Files (x86)\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    bd8d975e5f620d25951712874732f367

    SHA1

    8d5270850bed305c6ccad6987847ea4d955a62f2

    SHA256

    0a6b0a30031abb3e40a10e389375ef9c0303b16fdffc3e7cb7b8132a71c0046e

    SHA512

    c12695c899d574b7427673eec783181ae5369c73aab25dc6c70e0f2bdf4a4dcc0f7a6011c8fd0a4fdf9e3d9e74b66d41a6d1270b3979a6ce01eb56263f55226d

  • C:\Users\Admin\AppData\Local\Temp\hrnoqjwarbx.exe

    Filesize

    320KB

    MD5

    5203b6ea0901877fbf2d8d6f6d8d338e

    SHA1

    c803e92561921b38abe13239c1fd85605b570936

    SHA256

    0cc02d34d5fd4cf892fed282f98c1ad3e7dd6159a8877ae5c46d3f834ed36060

    SHA512

    d48a41b4fc4c38a6473f789c02918fb7353a4b4199768a3624f3b685d91d38519887a1ccd3616e0d2b079a346afaec5a0f2ef2c46d72d3097ef561cedb476471

  • C:\Users\Admin\AppData\Local\ulcreusewjqfgmtrjswnetgwugylshiovtluyp.viy

    Filesize

    3KB

    MD5

    f7428b04ae3974724bf7aefa26199e54

    SHA1

    44dfbae22b02c614edf23618f85a70fedf2f79f3

    SHA256

    92b9e331a47a42816aef8a4fdca2e83bcd9636dbd57f7257fe0670e178e65cc6

    SHA512

    01596073c82ea33696fa0013e42ee162c9d5ab0194c9f218e8042609f12e7118796940f0a35020ff3fc45c7f31797a36f92320a3ba52fbebcee50790db014829

  • C:\Users\Admin\AppData\Local\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    7853999395eec291afad7ab1a3cc3571

    SHA1

    4431168e1f692ac4e8d0ff015329141b23bc932f

    SHA256

    d6b60f842a8a010ed4c5903a296ef7b4bfd12927702733d2f5ca674abd4bdf88

    SHA512

    5b0bdebad0856d8c76e647fc665c70247253d39fb48d70136e0cb1b80f00a25ad0eda9b1b3596622bcf34870331ee00c548fc563e1aed8de8ea56dfbdc0aa21b

  • C:\Users\Admin\AppData\Local\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    f2107d50a6c2a4ab654565d276de56df

    SHA1

    3af76c64a26b2d0cdc237d408d842d8c1a6d2360

    SHA256

    73b9b13795c1e672317339ce367ebeafd884c25e8657006bf39fed25aebada88

    SHA512

    fc0e13a65026695b0b9dc691d413967f63557133415cd61683e0552dd2a6b72e948c03462858ce015704db0402e1f5dfc064b27961186fa9870ef7bd51d07eb8

  • C:\Users\Admin\AppData\Local\xdjnpuhiprnrhcylsqjpvzbgtub.zdt

    Filesize

    272B

    MD5

    bbb904ccee38dcc533bab81bd31c9460

    SHA1

    3138ef2bb935d44d99cdecd9e7b0b74984457100

    SHA256

    6ee4e5098f0274d2f7bf675f1864340c511956c214c3a464bac25625f85f7542

    SHA512

    5f173bb3a4bdc3e16b09fadde2bcbbddab7975271b12438b7fbc15c4a5a54a9a8ef02c185e09af863c0e7084b9dfab11f5e0d23d250c94858f02002b80279a74

  • C:\Windows\SysWOW64\kdwncuuicrarucllfq.exe

    Filesize

    508KB

    MD5

    891e69cb1cde7862dc9176254867466b

    SHA1

    6f55b9b414acd5ff1bc1aa03b8bf40460702a3d7

    SHA256

    b809eb6146962c7c16d350e440a6f8aaebbad5bf8b8ede9329db7d5dd202fa4a

    SHA512

    ed688f2f891e2ffd44a76e2457df641960361608c6577d5515dc68aee4e6a2edf013d3769d6383e0fd70b45d557d8246ee22c5a0c2a54603aafe9e9593c5ef20

  • \Users\Admin\AppData\Local\Temp\ipwbek.exe

    Filesize

    696KB

    MD5

    ecb9796011f7c889495c5e77af177f2e

    SHA1

    b2e856aa5d0696bf321a49ebe847a2a7ecb7ee05

    SHA256

    90641d735af9c9e76e317e1cf77ad979669c4b91418c2c62f9070ff82431f6c4

    SHA512

    88562ac608440c331b1ec5d4820e8add121e22878c12068cb06d090e5756fbd4b0628d747dc1b95c40508b02abe3546db57be096d6493a0d2613a039021d4edd