Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 02:04

General

  • Target

    fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe

  • Size

    2.7MB

  • MD5

    e11acfeb4c5abd3107db3ec3f444aa68

  • SHA1

    9ae203f30e57491e7b40be60c4fd92845c4e8903

  • SHA256

    fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04

  • SHA512

    6d494a39736c1566847c4745e8874759eb78201a385633122c69e1b1f652865165bc0e10d6a4867e598f086e8895a20fdfe0e2a8b4e2961d805dc4df9f93bd13

  • SSDEEP

    49152:t0VfAsnOwpwAD8LC6tjPIE0btjchR8whX7eJFHh17TxlnPRLdWPCNx2p:mVfAsOwpwHCWEzjiUJlnPJdWqNx

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CCu5Z?WuH+bS4hsz

Extracted

Family

agenttesla

Credentials

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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables packed with SmartAssembly 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.

  • Looks up external IP address via web service 1 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe
      "C:\Users\Admin\AppData\Local\Temp\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fb2c13a859a91c5dad1f8a9632d5989356153caef6bac8e684933ac979071d04.exe.log

    Filesize

    805B

    MD5

    4b74e933d78bd5e8fb1cc4653fb2133c

    SHA1

    f6e931eec700fa325bd40c3adc6f1c0eba806066

    SHA256

    fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3

    SHA512

    b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec

  • memory/3452-4896-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3452-4895-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3452-4897-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/3452-4898-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3452-4902-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3452-4901-0x0000000007060000-0x000000000706A000-memory.dmp

    Filesize

    40KB

  • memory/3452-4900-0x0000000006E60000-0x0000000006EFC000-memory.dmp

    Filesize

    624KB

  • memory/3452-4899-0x0000000006D70000-0x0000000006DC0000-memory.dmp

    Filesize

    320KB

  • memory/3676-30-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-16-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-6-0x0000000007130000-0x00000000071C2000-memory.dmp

    Filesize

    584KB

  • memory/3676-20-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-24-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-40-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-46-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-56-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-54-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-52-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-50-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-48-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-44-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-42-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-38-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-36-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-34-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-4-0x0000000006E60000-0x0000000007090000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-28-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-32-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-26-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-22-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-18-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-5-0x0000000007640000-0x0000000007BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/3676-14-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-12-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-10-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-8-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-7-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-60-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-58-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-70-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-68-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-67-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-62-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-64-0x0000000006E60000-0x000000000708A000-memory.dmp

    Filesize

    2.2MB

  • memory/3676-4887-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-3-0x00000000057C0000-0x0000000005C18000-memory.dmp

    Filesize

    4.3MB

  • memory/3676-2-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-1-0x00000000002E0000-0x0000000000596000-memory.dmp

    Filesize

    2.7MB

  • memory/3676-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/3676-4889-0x0000000005DB0000-0x0000000005DFC000-memory.dmp

    Filesize

    304KB

  • memory/3676-4888-0x0000000005D40000-0x0000000005DAC000-memory.dmp

    Filesize

    432KB

  • memory/3676-4890-0x0000000005E00000-0x0000000005E54000-memory.dmp

    Filesize

    336KB

  • memory/3676-4894-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB