Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 07:19

General

  • Target

    cefb106ee5ff2b03c70dc1f77a502e66_JaffaCakes118.exe

  • Size

    912KB

  • MD5

    cefb106ee5ff2b03c70dc1f77a502e66

  • SHA1

    8398fc5b143a69711cf85ed343a538525a934acc

  • SHA256

    89d2fb6fb4b468502238ac972392a0e062e07316ae48049f07a40fb01c38a4ed

  • SHA512

    88f70236e3ed55e20f4d08385ab4c5c2a7e5669a5ce1c76a6af3d75d08edd5bd17eb6a59ea65adb5e155cad7abde6b96de1d5ffc4258b21315156e7377e20f1d

  • SSDEEP

    24576:GjpwfjodwlV1wCNn+dHPq5PsbxNZMsOK63ecj+p4M7dgM3V:spw2CVuRPqlszOKKFj+pl7dD3

Malware Config

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 7 IoCs

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cefb106ee5ff2b03c70dc1f77a502e66_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cefb106ee5ff2b03c70dc1f77a502e66_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\cefb106ee5ff2b03c70dc1f77a502e66_JaffaCakes118.exe" "C:\Users\Admin\Documents\Project079.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Documents\Project079.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Users\Admin\Documents\Project079.exe
        "C:\Users\Admin\Documents\Project079.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Users\Admin\Documents\Project079.exe
          "C:\Users\Admin\Documents\Project079.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:824
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:216
          • 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"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\Documents\Project079.exe

    Filesize

    912KB

    MD5

    cefb106ee5ff2b03c70dc1f77a502e66

    SHA1

    8398fc5b143a69711cf85ed343a538525a934acc

    SHA256

    89d2fb6fb4b468502238ac972392a0e062e07316ae48049f07a40fb01c38a4ed

    SHA512

    88f70236e3ed55e20f4d08385ab4c5c2a7e5669a5ce1c76a6af3d75d08edd5bd17eb6a59ea65adb5e155cad7abde6b96de1d5ffc4258b21315156e7377e20f1d

  • memory/216-35-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/216-36-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/216-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/216-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/824-32-0x00000000088B0000-0x00000000088B8000-memory.dmp

    Filesize

    32KB

  • memory/824-29-0x0000000008360000-0x00000000083C6000-memory.dmp

    Filesize

    408KB

  • memory/824-26-0x0000000004F20000-0x0000000004F76000-memory.dmp

    Filesize

    344KB

  • memory/824-24-0x0000000000620000-0x00000000006A4000-memory.dmp

    Filesize

    528KB

  • memory/976-19-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/976-17-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/976-18-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/976-20-0x000000000A000000-0x000000000A09C000-memory.dmp

    Filesize

    624KB

  • memory/976-25-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2796-37-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2796-45-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2796-38-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3624-7-0x00000000026F0000-0x00000000026FA000-memory.dmp

    Filesize

    40KB

  • memory/3624-13-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-6-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-5-0x0000000004DF0000-0x0000000004E0E000-memory.dmp

    Filesize

    120KB

  • memory/3624-4-0x00000000050E0000-0x0000000005190000-memory.dmp

    Filesize

    704KB

  • memory/3624-3-0x0000000004E10000-0x0000000004EA2000-memory.dmp

    Filesize

    584KB

  • memory/3624-2-0x0000000005320000-0x00000000058C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3624-8-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/3624-9-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/3624-1-0x0000000000450000-0x000000000053E000-memory.dmp

    Filesize

    952KB

  • memory/3624-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB