Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:38

General

  • Target

    52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe

  • Size

    677KB

  • MD5

    ac9f9fbbe52650f8fed76e3146b82010

  • SHA1

    02ea9e90e4a059b32e11a2ca0cef4952d290d664

  • SHA256

    52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524

  • SHA512

    8f2f070e0a589bd49495e3f92215d11372a47fffd7fa51a3a6a6c0279799155880e9c994ba5a4707dbe6db5ba152f48418272baaaddefb12f706766d8102006c

  • SSDEEP

    12288:z1YifTpRZWk6X4A752GC0s644n1Fu2dmxT9UKbEfuwfT2kR:z2iLZWk6X4A7MY1FzuUK4pfp

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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 3 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe
    "C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe
      "C:\Users\Admin\AppData\Local\Temp\52b4fa12c1dc0df270df91125f54b60d90430db216e93aea75a9f11c04977524.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1964-19-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/1964-3-0x00000000006A0000-0x00000000006BA000-memory.dmp

    Filesize

    104KB

  • memory/1964-4-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/1964-5-0x0000000005260000-0x00000000052E4000-memory.dmp

    Filesize

    528KB

  • memory/1964-1-0x0000000001280000-0x000000000132C000-memory.dmp

    Filesize

    688KB

  • memory/3056-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-22-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3056-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-20-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-21-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB