Analysis

  • max time kernel
    105s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 04:49

General

  • Target

    JaffaCakes118_87199c0979e1efea3a339d63079686cf1b05e77ae74465fc19650b1398cbb41e.exe

  • Size

    240KB

  • MD5

    6afff29aa4f5b9a2eec381f041b03d12

  • SHA1

    250bf9ea3942e3fce9d514f2c863168afe50824b

  • SHA256

    87199c0979e1efea3a339d63079686cf1b05e77ae74465fc19650b1398cbb41e

  • SHA512

    43ec7823eae2eb7a8d1dea7a75d6ab18dcab7d2404a9df90d073f16a55e9e3580dd8fcff2ee066de75132b9186ad37a9727831b3e0b4fdea1187d4705a9db08b

  • SSDEEP

    6144:ihShPIem8KNUOKnM88O1oNxaOnxniOjrtI:lhPDKFvxVxniOI

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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
  • 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87199c0979e1efea3a339d63079686cf1b05e77ae74465fc19650b1398cbb41e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87199c0979e1efea3a339d63079686cf1b05e77ae74465fc19650b1398cbb41e.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:3488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3488-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/3488-1-0x0000000000890000-0x00000000008CC000-memory.dmp

    Filesize

    240KB

  • memory/3488-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

    Filesize

    5.6MB

  • memory/3488-3-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-4-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/3488-5-0x00000000057F0000-0x0000000005808000-memory.dmp

    Filesize

    96KB

  • memory/3488-6-0x0000000005F90000-0x0000000005FF6000-memory.dmp

    Filesize

    408KB

  • memory/3488-8-0x0000000006BC0000-0x0000000006C10000-memory.dmp

    Filesize

    320KB

  • memory/3488-9-0x0000000006DA0000-0x0000000006E32000-memory.dmp

    Filesize

    584KB

  • memory/3488-10-0x0000000006D50000-0x0000000006D5A000-memory.dmp

    Filesize

    40KB

  • memory/3488-11-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB

  • memory/3488-12-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/3488-13-0x0000000074BD0000-0x0000000075380000-memory.dmp

    Filesize

    7.7MB