Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 09:11

General

  • Target

    e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe

  • Size

    452KB

  • MD5

    e4725a661fe5e9cd1f59723a2a893321

  • SHA1

    3614323aa1f8eb1be7b153d4f1a2762ec8837758

  • SHA256

    bd95a9ac78522a2922fff38f9beb97eebe05c1df46f963d6cd1bfbd749960ed8

  • SHA512

    a229c72cf6afbe380e0592b5d3c0e0393b2afaa964f563c128cab5e72b3b96c4913f245038286479c69322c60bda7bceea388b0a2f8dfdac8ea05abc07b55266

  • SSDEEP

    6144:Soa2nBxFUt18s4Ll/jaVFPLA+dpz5yoNvRElfTd2uT2EKC0cmNxO:AwxFJss2FLAmpcupE1pD2uf

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZaTfkpgvF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp632A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4952
    • C:\Users\Admin\AppData\Local\Temp\e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\e4725a661fe5e9cd1f59723a2a893321_JaffaCakes118.exe.log

    Filesize

    774B

    MD5

    049b2c7e274ebb68f3ada1961c982a22

    SHA1

    796b9f03c8cd94617ea26aaf861af9fb2a5731db

    SHA256

    5c69c41dceda1bb32d4054d6b483bb3e3af84c8cf0a6191c79068168a1d506b3

    SHA512

    fb2ee642e1401772d514e86b0b8dd117659335066242e85c158b40e8912572f2bd7b9a0f63f9b9f4d7a2e051579345215f6b1f147881f3d1e78f335c45d78ebf

  • C:\Users\Admin\AppData\Local\Temp\tmp632A.tmp

    Filesize

    1KB

    MD5

    07b86e48c59ab93d34ce2412e0d7c55a

    SHA1

    72cfce4778c0561b84f36846294360ddcd3464b2

    SHA256

    a688f2fd068bc4812532c07776b367ad4d93f198fc0f46ca21aebdee37df7113

    SHA512

    2d63e0f7afa0545310d63fa68315a18c9abef1928b169e60ef23fd4eb74759bb149ac70e0d6ee6dfa12c83ea553875589f4bfcd171f3334d7b7b43fa49dfadf6

  • memory/2216-4-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-3-0x0000000075372000-0x0000000075373000-memory.dmp

    Filesize

    4KB

  • memory/2216-0-0x0000000075372000-0x0000000075373000-memory.dmp

    Filesize

    4KB

  • memory/2216-5-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-2-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-15-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-1-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-14-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4392-16-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-17-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-18-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-19-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB

  • memory/4392-20-0x0000000075370000-0x0000000075921000-memory.dmp

    Filesize

    5.7MB