Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 09:27

General

  • Target

    SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe

  • Size

    831KB

  • MD5

    18ab2aad8e5efd35242fbd95df4e7dd8

  • SHA1

    72f5eb04ed362a77235283d634d499edda685bf7

  • SHA256

    ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a

  • SHA512

    34701b20f0afc8694c5bb42a5ecea9daa86b7c59e9b8cf6ce2aaf9598dc39215382c36efa2c8d216e84e3a978a2bd8d6215a937952c69889b698d077f02cfdd9

  • SSDEEP

    12288:UFLUZoWBwIyww0vWfueEQEarTXNmuKXevwN0GQ+l3y34SI1Vt/L5r3BD1Ry09yz:UaomwIjGGUfHwuuNvSIb1LN

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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe"
      2⤵
        PID:1620
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2532

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    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

    • memory/2532-18-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-16-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-10-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-23-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB

    • memory/2532-21-0x0000000000640000-0x0000000000680000-memory.dmp
      Filesize

      256KB

    • memory/2532-6-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-8-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-20-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB

    • memory/2532-24-0x0000000000640000-0x0000000000680000-memory.dmp
      Filesize

      256KB

    • memory/2532-14-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2532-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2908-0-0x0000000000910000-0x00000000009E6000-memory.dmp
      Filesize

      856KB

    • memory/2908-1-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB

    • memory/2908-2-0x0000000007370000-0x00000000073B0000-memory.dmp
      Filesize

      256KB

    • memory/2908-19-0x0000000074050000-0x000000007473E000-memory.dmp
      Filesize

      6.9MB

    • memory/2908-5-0x0000000002400000-0x0000000002482000-memory.dmp
      Filesize

      520KB

    • memory/2908-4-0x00000000003E0000-0x00000000003EC000-memory.dmp
      Filesize

      48KB

    • memory/2908-3-0x0000000000350000-0x0000000000362000-memory.dmp
      Filesize

      72KB