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
    12-03-2024 02:20

General

  • Target

    2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe

  • Size

    948KB

  • MD5

    1f5d33b971e55161344c939113e5e319

  • SHA1

    da15607e443200fa55d7d0a174db42fbd3e79039

  • SHA256

    2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636

  • SHA512

    438ecb39c80cc618b813bef917eddcb268b9ec15f6518f7dbb50187fae37601c0ddc8d847f34a462b4628dca2db458b253171e64a723b15701397dc86f9a1139

  • SSDEEP

    24576:djdIX5Ea8gGNkPRCrYJBSTagnZ3juezrkIUhjmjbdTh7:fIPRPKauu0rYh8bdd

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
  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
    "C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
      C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
      2⤵
        PID:808
      • C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
        C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
        2⤵
          PID:900
        • C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
          C:\Users\Admin\AppData\Local\Temp\2a5f8cbeb2b1d8a0d7f99359dce92174c97aa058add33e8f42cf2aef056c8636.exe
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2140-1138-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2140-1141-0x0000000074460000-0x0000000074B4E000-memory.dmp

        Filesize

        6.9MB

      • memory/2140-1140-0x0000000004B30000-0x0000000004B70000-memory.dmp

        Filesize

        256KB

      • memory/2140-1139-0x0000000074460000-0x0000000074B4E000-memory.dmp

        Filesize

        6.9MB

      • memory/2904-38-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-16-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-46-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-8-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-10-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-12-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-14-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-44-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-18-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-20-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-22-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-24-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-42-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-28-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-30-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-32-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-34-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-36-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-0-0x0000000000AB0000-0x0000000000BA4000-memory.dmp

        Filesize

        976KB

      • memory/2904-40-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-26-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-5-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-6-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-48-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-50-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-52-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-54-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-56-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-58-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-60-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-62-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-68-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-66-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-64-0x0000000004B50000-0x0000000004C03000-memory.dmp

        Filesize

        716KB

      • memory/2904-1119-0x00000000004F0000-0x00000000004F1000-memory.dmp

        Filesize

        4KB

      • memory/2904-1120-0x0000000000A60000-0x0000000000AA2000-memory.dmp

        Filesize

        264KB

      • memory/2904-1121-0x0000000004390000-0x00000000043DC000-memory.dmp

        Filesize

        304KB

      • memory/2904-1134-0x00000000744E0000-0x0000000074BCE000-memory.dmp

        Filesize

        6.9MB

      • memory/2904-4-0x0000000004B50000-0x0000000004C0A000-memory.dmp

        Filesize

        744KB

      • memory/2904-3-0x0000000004A90000-0x0000000004B4A000-memory.dmp

        Filesize

        744KB

      • memory/2904-2-0x0000000000550000-0x0000000000590000-memory.dmp

        Filesize

        256KB

      • memory/2904-1-0x00000000744E0000-0x0000000074BCE000-memory.dmp

        Filesize

        6.9MB