Resubmissions

14-09-2024 22:10

240914-13nw9azcnb 3

14-09-2024 18:45

240914-xd3sbszajr 10

Analysis

  • max time kernel
    138s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-09-2024 18:45

General

  • Target

    e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe

  • Size

    533KB

  • MD5

    e0cd76df54576d98a23dd74052da970b

  • SHA1

    1eb9956b44efff07183c0b0c6c008a5d0b3d8e94

  • SHA256

    fb366ecda1b1b244d00abca67abc3708c26477c34a20c4e1833c7b4cf501ca35

  • SHA512

    9fcf5d1844892567e975f530e4c271fa135ab5d87d9e20623cc9a73c72770598f4d4c27cf8b9bfd9239c076d5167532d8d536fa18df0646c37eeea4f36e7919e

  • SSDEEP

    12288:CzYLjP6eP9KqR12Ea/FkEHWytz/kuyXf2Jgb:E+jP6+KQ4EaNWytz4XfE2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.clark-relaince.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fQtZJSp7

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Local\Temp\e0cd76df54576d98a23dd74052da970b_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2600-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-24-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-20-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-28-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-27-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-26-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-25-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-29-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2600-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2600-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2636-6-0x0000000004D20000-0x0000000004D7C000-memory.dmp

    Filesize

    368KB

  • memory/2636-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/2636-23-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-2-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-7-0x0000000005980000-0x00000000059CE000-memory.dmp

    Filesize

    312KB

  • memory/2636-1-0x0000000000BB0000-0x0000000000C3C000-memory.dmp

    Filesize

    560KB

  • memory/2636-5-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2636-4-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/2636-3-0x00000000005B0000-0x00000000005C2000-memory.dmp

    Filesize

    72KB