Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 06:37

General

  • Target

    e63e0896e16d8cac0ca1a7f677712349_JaffaCakes118.exe

  • Size

    373KB

  • MD5

    e63e0896e16d8cac0ca1a7f677712349

  • SHA1

    ad9b6aa1fb2545155eac807c45fabb0e36194518

  • SHA256

    5c3531182b31bc6f5e80934c705154bcb5ae553daf78005984628f3736ec5ec2

  • SHA512

    5f5e3f6b3b06fcf10d8f832e5d0dd607ef4b177b1af6081e455264b480328cb295c4af564b651b9142edf5e7637f764f1b401fbb1ec74806e7e7eba514655fc3

  • SSDEEP

    6144:9ZJZj3XBjlkq27zgxRcWoqn9onD4EpvFu:99zZo7cvZx9onD4Eh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

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.

  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e63e0896e16d8cac0ca1a7f677712349_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e63e0896e16d8cac0ca1a7f677712349_JaffaCakes118.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • \Users\Admin\AppData\Local\Temp\a6a0b8a6-4761-4357-9a31-0eca6ad70093\f.dll

    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • memory/1480-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1480-1-0x0000000000F90000-0x0000000000FF4000-memory.dmp

    Filesize

    400KB

  • memory/1480-2-0x0000000000390000-0x00000000003BC000-memory.dmp

    Filesize

    176KB

  • memory/1480-3-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-12-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-22-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-34-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-44-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-56-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-66-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-72-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-70-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-68-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-64-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-62-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-60-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-58-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-54-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-52-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-50-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-48-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-46-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-42-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-40-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-38-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-36-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-32-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-30-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-28-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-26-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-24-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-20-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-18-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-16-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-14-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-11-0x0000000000390000-0x00000000003B5000-memory.dmp

    Filesize

    148KB

  • memory/1480-10-0x0000000074AC0000-0x0000000074B40000-memory.dmp

    Filesize

    512KB

  • memory/1480-191-0x00000000740BE000-0x00000000740BF000-memory.dmp

    Filesize

    4KB

  • memory/1480-192-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-194-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-195-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/1480-196-0x0000000000B80000-0x0000000000B8C000-memory.dmp

    Filesize

    48KB

  • memory/1480-216-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-214-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-213-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2964-215-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-217-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB

  • memory/2964-218-0x00000000740B0000-0x000000007479E000-memory.dmp

    Filesize

    6.9MB