Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-08-2024 10:15

General

  • Target

    c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe

  • Size

    732KB

  • MD5

    c4cc84da13c4aeeeb38d83984e27250a

  • SHA1

    0c2bcf7e13c4149d2bb545cecf9c77f92a8b0a6f

  • SHA256

    a45dc65ff40872a45e23fbd924e6c02ca069b1c7c90aebd4003eccb40969f1b7

  • SHA512

    49014bc2e1e2cf6fd021f7c7e9cd3663443be8863963bd59e856e11bcee1b48e759fbd3a000b5e700fd5d145769c14847c0c4e7168224f7824c59eaae9044b21

  • SSDEEP

    12288:2oL4EnU4T/vjLAEkPHyTN7tcZor54TpEjVrW23NOFoG08/QOMaM/ha/F:2wnU4TDLbGSDcyiTpUrh3AF3s3h4F

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nAMkXP8FUGvSc3wjPCKF

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 2 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c4cc84da13c4aeeeb38d83984e27250a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:112
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

    Filesize

    84B

    MD5

    787c67d033f18c75bfb5be028a94f96a

    SHA1

    aad21bbb1cd5335207caad28b47075b3b611b795

    SHA256

    51cd34a751c3daa8b923475b2cebc49d1f9bb9c53ba3f2fcdb2c6c486a57a49a

    SHA512

    33df2f958694735718b659f4376c772497ddfcba3afb1f1680a6dfb5dd25db9691e7a69269c6bf8b7979cf5c86c0a5926bcb8675f7c6fad07eb3c36ec7066994

  • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    732KB

    MD5

    c4cc84da13c4aeeeb38d83984e27250a

    SHA1

    0c2bcf7e13c4149d2bb545cecf9c77f92a8b0a6f

    SHA256

    a45dc65ff40872a45e23fbd924e6c02ca069b1c7c90aebd4003eccb40969f1b7

    SHA512

    49014bc2e1e2cf6fd021f7c7e9cd3663443be8863963bd59e856e11bcee1b48e759fbd3a000b5e700fd5d145769c14847c0c4e7168224f7824c59eaae9044b21

  • memory/112-625-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/112-616-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/560-626-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-619-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-622-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-621-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-620-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-617-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-618-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-636-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/560-615-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-637-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-605-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-551-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/560-309-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-14-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-300-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-66-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-64-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-62-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-60-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-58-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-54-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-52-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-50-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-48-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-46-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-40-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-38-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-36-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-34-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-30-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-28-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-26-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-24-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-299-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-68-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-42-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-308-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-22-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-20-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-16-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-0-0x0000000074331000-0x0000000074332000-memory.dmp

    Filesize

    4KB

  • memory/1064-12-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-10-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-56-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-44-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-8-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-32-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-6-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-5-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-19-0x0000000004640000-0x00000000046CC000-memory.dmp

    Filesize

    560KB

  • memory/1064-3-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-4-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-2-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1064-1-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB