Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 16:18

General

  • Target

    INVOICE.exe

  • Size

    205KB

  • MD5

    494992eed787907766ef59dbec953d6b

  • SHA1

    ff02df9c31bd5462c912c84b040430682ac0304c

  • SHA256

    92fa9b6f4856cfd35907ac59a621ab7dcbb49550ae29b9131d570f5c1b6c4313

  • SHA512

    7c7318962a1273d1635f5fbf9dbd27f667148a6a2c30bcbf9a33440dabf1f566d40eaeee3a635d1742816bfa5c3fe2fe0efd48eb8b1a43e81fc575105c161943

  • SSDEEP

    3072:P8ANnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXA:UkstvLGcxLbMUMK2dH

Malware Config

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#.

  • 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2256-59-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-4889-0x00000000050B0000-0x0000000005104000-memory.dmp
    Filesize

    336KB

  • memory/2256-2-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/2256-3-0x0000000008540000-0x0000000008770000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-4-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-11-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-9-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-7-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-5-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-19-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-23-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-21-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-17-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-15-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-61-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-29-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-33-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-31-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-27-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-25-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-35-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-57-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-13-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-1-0x0000000000390000-0x00000000003C6000-memory.dmp
    Filesize

    216KB

  • memory/2256-41-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-55-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-53-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-51-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-49-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-47-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-45-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-43-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-0-0x000000007423E000-0x000000007423F000-memory.dmp
    Filesize

    4KB

  • memory/2256-39-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-37-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-65-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-67-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-4885-0x0000000004CF0000-0x0000000004D3C000-memory.dmp
    Filesize

    304KB

  • memory/2256-4886-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/2256-4884-0x0000000005040000-0x00000000050AC000-memory.dmp
    Filesize

    432KB

  • memory/2256-4887-0x000000007423E000-0x000000007423F000-memory.dmp
    Filesize

    4KB

  • memory/2256-4888-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/2256-63-0x0000000008540000-0x000000000876A000-memory.dmp
    Filesize

    2.2MB

  • memory/2256-4902-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/3372-4903-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/3372-4904-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/3372-4905-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/3372-4906-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB