Analysis

  • max time kernel
    119s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 15:26

General

  • Target

    1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe

  • Size

    98KB

  • MD5

    9ea3d152c4e248841abf4f490a84b8c9

  • SHA1

    77d61f0c95c5f7cd4378ca528c4d13ce283af5c4

  • SHA256

    1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0

  • SHA512

    53f264afbc654519ef97efa33ea2c8fa2afcb30505e67f775f67aa4dffd3570861c532cfd8bc7465a93822122d08f761054b2dc75d52893cdde397e941d92fec

  • SSDEEP

    1536:+A4Lk8u2qHlllllllOdQlwEn+glllllllllllllllllll5xw5ll:RMtYwiVxw5ll

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe
    "C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3196
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:3220
    • C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe
      "C:\Users\Admin\AppData\Local\Temp\1b4cd0759ffb8314d799031e229d82bf5adf74ed60f0430c4df7fad3b49137f0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3388
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3464
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:3492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2868-53-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-29-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-3-0x00000000077A0000-0x00000000079D0000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-4-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-7-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-11-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-9-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-15-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-13-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-5-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-17-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-33-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-45-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-19-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-55-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/2868-63-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-65-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-21-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-23-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-39-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-57-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-4911-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-61-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-51-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-67-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-49-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-47-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-43-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-41-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-37-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-35-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-31-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-1-0x0000000001010000-0x000000000102E000-memory.dmp

    Filesize

    120KB

  • memory/2868-27-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-25-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/2868-4890-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-4892-0x0000000000C20000-0x0000000000C6C000-memory.dmp

    Filesize

    304KB

  • memory/2868-4891-0x0000000004CD0000-0x0000000004D3C000-memory.dmp

    Filesize

    432KB

  • memory/2868-4893-0x00000000745BE000-0x00000000745BF000-memory.dmp

    Filesize

    4KB

  • memory/2868-4894-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-4895-0x00000000745B0000-0x0000000074C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-4896-0x00000000050F0000-0x0000000005144000-memory.dmp

    Filesize

    336KB

  • memory/2868-59-0x00000000077A0000-0x00000000079CB000-memory.dmp

    Filesize

    2.2MB

  • memory/3388-4910-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB