Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 01:46

General

  • Target

    b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe

  • Size

    4.3MB

  • MD5

    7bdae307fc1ff1f771114c1d5a0ebef6

  • SHA1

    e8178de766e4df45677155415d6425f5260da3c8

  • SHA256

    b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b

  • SHA512

    7ad744b879c570548c667e284c574bdaf38eb2cc7f649012f475e2c5b911a69ab0d9f8caa58940ee43c26777887b2984c130e583305aa5f3e5b6bc090e188fca

  • SSDEEP

    24576:aDJW1P5u0ngg4Q/71W68A05k6+peVq99YvXk6XhMKMVEvZekbJqz6Y3+droBEC:

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gencoldfire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mh7B/7[hSO#bYHw1

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 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\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
    "C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
      "C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3660

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe.log
    Filesize

    805B

    MD5

    58a9108e39c2ea50e65c23be3a9407cf

    SHA1

    fb21f7b9330aa1a77080a3243b81b49035102d7b

    SHA256

    6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b

    SHA512

    93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf

  • memory/3000-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
    Filesize

    4KB

  • memory/3000-1-0x0000000000B70000-0x0000000000FCE000-memory.dmp
    Filesize

    4.4MB

  • memory/3000-2-0x0000000006C20000-0x0000000006E52000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-3-0x0000000007400000-0x00000000079A4000-memory.dmp
    Filesize

    5.6MB

  • memory/3000-4-0x0000000006EF0000-0x0000000006F82000-memory.dmp
    Filesize

    584KB

  • memory/3000-10-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-6-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-22-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-5-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-8-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-26-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-38-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-68-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-66-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-64-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-60-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-58-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-56-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-54-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-62-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-50-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-48-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-46-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-44-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-42-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-40-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-36-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-34-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-32-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-28-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-52-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-30-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-24-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-20-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-18-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-16-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-14-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-12-0x0000000006C20000-0x0000000006E4B000-memory.dmp
    Filesize

    2.2MB

  • memory/3000-4885-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB

  • memory/3000-4886-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB

  • memory/3000-4888-0x0000000007000000-0x000000000704C000-memory.dmp
    Filesize

    304KB

  • memory/3000-4887-0x0000000006F90000-0x0000000006FFC000-memory.dmp
    Filesize

    432KB

  • memory/3000-4889-0x0000000007060000-0x00000000070B4000-memory.dmp
    Filesize

    336KB

  • memory/3000-4892-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB

  • memory/3660-4894-0x0000000000900000-0x0000000000942000-memory.dmp
    Filesize

    264KB

  • memory/3660-4893-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB

  • memory/3660-4895-0x0000000004E10000-0x0000000004E76000-memory.dmp
    Filesize

    408KB

  • memory/3660-4896-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB

  • memory/3660-4897-0x00000000064C0000-0x0000000006510000-memory.dmp
    Filesize

    320KB

  • memory/3660-4898-0x00000000065B0000-0x000000000664C000-memory.dmp
    Filesize

    624KB

  • memory/3660-4899-0x00000000067B0000-0x00000000067BA000-memory.dmp
    Filesize

    40KB

  • memory/3660-4900-0x0000000074EE0000-0x0000000075690000-memory.dmp
    Filesize

    7.7MB