Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 21:03

General

  • Target

    039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe

  • Size

    624KB

  • MD5

    039ec008be57866869f9ef26c9c1891b

  • SHA1

    0636ab1e0f411cb3b8b78ac8231741c56031e5d8

  • SHA256

    6838627d53e3b354ccca25b5f479b7fa0b8a88c3e125d5f1fcefe3af9920a0e2

  • SHA512

    6f984c302605abaa42bcd809623cd3c092a61bbaa5e3c45862255c7551081e68e73d0436f1f36c4f3d46c6d8380aa2d9476d831825e8e8e3c6dbde4321c2ad81

  • SSDEEP

    12288:YcxueaI0qrT3pApJJ7/lPtYIL5X5HuXegyoLc4o9LD0Dej:VRaIFrTpAL1FLruuALzoNoY

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 15 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\039ec008be57866869f9ef26c9c1891b_JaffaCakes118.exe.log

    Filesize

    313B

    MD5

    e18665d093f6de5bd18da6b6246d29c8

    SHA1

    da07418c22634ca2f101ffcd7e72e95c282c93e0

    SHA256

    18666041bdd46b7ac5c98e8b505713d28761a767afca67a589552b35af16bfe5

    SHA512

    783c68fc237b40cf281ba0fd48b8cc9fce1fb3e97aa4f0c9b724d1b957d54ce01fbc4becbeb64aa35bf1c1c2e84ff4587ea651ecba5afa5eccde7024e0faeb03

  • memory/1028-0-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-1-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-2-0x0000000001440000-0x0000000001450000-memory.dmp

    Filesize

    64KB

  • memory/1028-3-0x0000000001440000-0x0000000001450000-memory.dmp

    Filesize

    64KB

  • memory/1028-7-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-10-0x00000000055F0000-0x00000000055F1000-memory.dmp

    Filesize

    4KB

  • memory/4496-29-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-12-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-28-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-26-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-23-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-22-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-21-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-18-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-17-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-16-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-15-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-14-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-13-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-31-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-9-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-8-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-32-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4496-34-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-35-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-36-0x0000000075020000-0x00000000755D1000-memory.dmp

    Filesize

    5.7MB

  • memory/4496-37-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-38-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-39-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB

  • memory/4496-41-0x0000000000E00000-0x0000000000E10000-memory.dmp

    Filesize

    64KB