Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 20:09

General

  • Target

    JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe

  • Size

    537KB

  • MD5

    76e6e924a78ee97b57efed024869a182

  • SHA1

    62254805971c9dd385b1ebda243ca7425a035543

  • SHA256

    699ee69836ad492c5de30f0f38b2335517dd3257af66c196175f5d65a38203f0

  • SHA512

    eafae683f6fee198fdb1e2430ec442bda2b8562fba1736ee9bdf0ed0452940b142c8a1260e4ccaf3522a7ecea9b7a716b6677a0cc90e67f2ac4268d61a3d3baa

  • SSDEEP

    12288:MIc/zMh+Lv+Jiw/Ij2pEL+I3BwBICN2Hhh:Mj/oh+D+0we2pELFuZNAhh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.karanex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oi&-tmhj@d5v

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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 3 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 4 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1236
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sbpgrrZobTQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E7A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1028
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2180-0-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2180-1-0x0000000000C30000-0x0000000000CBC000-memory.dmp

    Filesize

    560KB

  • memory/2180-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2180-3-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/2180-4-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/2180-5-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2180-6-0x0000000005040000-0x00000000050A0000-memory.dmp

    Filesize

    384KB

  • memory/2180-26-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2644-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-24-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2644-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB