Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 01:36

General

  • Target

    ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe

  • Size

    2.3MB

  • MD5

    b5b77f0c912f438cbc5142c42818fa29

  • SHA1

    94b5df605f00d34581435e3ca10b47094e31c0ab

  • SHA256

    ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce

  • SHA512

    87a1fbb1b8187377997b219bf6b286102648ff913ab0d73c78c67bee443702e9824bc14e980a2d38e5ece9a1fccc6e134f5dfa6f2b9bd9604ccb0d140418424f

  • SSDEEP

    49152:j1ZU7LqS9SUqiRCQqzDzKbQJRdUbXK2cBcDdPO++9vvGT1nkYE:joHqS9S1kVqzDzvRdLlCBPONvGZkL

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1263338506:AAEo1afaqZcanZqwKGJF2HA7xr6YOHyXHtU/

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 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.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe
    "C:\Users\Admin\AppData\Local\Temp\ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Local\Temp\ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe
      "C:\Users\Admin\AppData\Local\Temp\ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ab3f0c321894430eed1ba65eca338a0471e18ba82cdd554084ed63f36ff91dce.exe.log

    Filesize

    805B

    MD5

    58a9108e39c2ea50e65c23be3a9407cf

    SHA1

    fb21f7b9330aa1a77080a3243b81b49035102d7b

    SHA256

    6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b

    SHA512

    93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf

  • memory/3204-4893-0x0000000000740000-0x0000000000782000-memory.dmp

    Filesize

    264KB

  • memory/3204-4896-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-4897-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-4895-0x00000000050D0000-0x0000000005136000-memory.dmp

    Filesize

    408KB

  • memory/3204-4901-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-4900-0x00000000068F0000-0x00000000068FA000-memory.dmp

    Filesize

    40KB

  • memory/3204-4899-0x0000000006810000-0x00000000068AC000-memory.dmp

    Filesize

    624KB

  • memory/3204-4898-0x0000000006720000-0x0000000006770000-memory.dmp

    Filesize

    320KB

  • memory/4876-36-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-24-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-22-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-14-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-12-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-10-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-8-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-5-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-16-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-32-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-52-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-56-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-54-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-50-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-46-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-42-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-38-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-4-0x0000000005FE0000-0x0000000006072000-memory.dmp

    Filesize

    584KB

  • memory/4876-30-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-28-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-26-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-6-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-20-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-48-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-44-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-18-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-40-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-34-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-68-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-66-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-64-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-62-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-58-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-60-0x0000000005C90000-0x0000000005EBA000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-4885-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-4886-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-3-0x0000000006490000-0x0000000006A34000-memory.dmp

    Filesize

    5.6MB

  • memory/4876-2-0x0000000005C90000-0x0000000005EC0000-memory.dmp

    Filesize

    2.2MB

  • memory/4876-1-0x0000000000F50000-0x00000000011A2000-memory.dmp

    Filesize

    2.3MB

  • memory/4876-0-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

    Filesize

    4KB

  • memory/4876-4887-0x0000000006130000-0x000000000619C000-memory.dmp

    Filesize

    432KB

  • memory/4876-4888-0x00000000061A0000-0x00000000061EC000-memory.dmp

    Filesize

    304KB

  • memory/4876-4889-0x0000000006250000-0x00000000062A4000-memory.dmp

    Filesize

    336KB

  • memory/4876-4894-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB