Analysis

  • max time kernel
    121s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    16-05-2024 23:12

General

  • Target

    4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    4d7c6a31befbe5d1f132c329b2f6f56a

  • SHA1

    78e2d1fb9d579af7937adea39dfe9aa639ab56ba

  • SHA256

    cc87387f9d80a394d37b129af4be7af6b93dfd585f3a78d3decffc2f94c5689a

  • SHA512

    62e8de438d79d314891bd67244c6b10c33737806614ab2f0ffd5675438e6b72b9c549aff03dda255fde2cb0fc6175d326702fb2def8507cfeeb695253d59ec20

  • SSDEEP

    24576:VQtqBorTlYWBhE+V3mO9yDLss2yed2cw9Zifq1JB5/mOh:mtqFWM4mpDN2USfGF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    THISISWHATIdo20@@

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4d7c6a31befbe5d1f132c329b2f6f56a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1600
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:2716
    • 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"
      2⤵
        PID:2524

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scripting

    1
    T1064

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1600-0-0x0000000074A81000-0x0000000074A82000-memory.dmp
      Filesize

      4KB

    • memory/1600-1-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/1600-2-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/1600-7-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/1600-24-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/1600-23-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/1600-16-0x0000000074A80000-0x000000007502B000-memory.dmp
      Filesize

      5.7MB

    • memory/2524-15-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2524-13-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2524-17-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2524-22-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/2524-19-0x0000000000460000-0x00000000004C7000-memory.dmp
      Filesize

      412KB

    • memory/2716-12-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2716-11-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2716-10-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2716-8-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB