Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 05:59

General

  • Target

    f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731.exe

  • Size

    718KB

  • MD5

    43a00ef10637139c060f1139df3b9cc1

  • SHA1

    f717df8434925d25e03512c91385bc528576339e

  • SHA256

    f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731

  • SHA512

    19c9ea8f334c2ff21ae39339e94603f7245feb67784d22ab551c809d8d7dd364941b18c8e649476b9a260d89f8005ba9ebb5b9baf401327ef6c6a44c33602bbc

  • SSDEEP

    12288:RCcj8EhT1GrAjbadQSIVCXfUWQBZoeAfeDlV25x3nGxYcBa8k:Icj8EzCdQSIkXsWQE4lV259Gx

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#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731.exe
    "C:\Users\Admin\AppData\Local\Temp\f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731.exe
      C:\Users\Admin\AppData\Local\Temp\f2a3d321b3fbb2d3be23e5416a82b92d9aa73c3573ef0630d0570483ced8a731.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2360-1-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-0-0x0000000001130000-0x00000000011EA000-memory.dmp

    Filesize

    744KB

  • memory/2360-2-0x0000000004790000-0x0000000004848000-memory.dmp

    Filesize

    736KB

  • memory/2360-3-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-4-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-10-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-8-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-6-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-12-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-16-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-18-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-14-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-20-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-22-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-24-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-28-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-26-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-32-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-34-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-38-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-40-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-44-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-48-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-50-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-52-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-54-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-58-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-56-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-46-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-42-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-36-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-66-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-64-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-62-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-60-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-30-0x0000000004790000-0x0000000004842000-memory.dmp

    Filesize

    712KB

  • memory/2360-1117-0x00000000048B0000-0x00000000048F0000-memory.dmp

    Filesize

    256KB

  • memory/2360-1118-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2360-1119-0x0000000000A30000-0x0000000000A72000-memory.dmp

    Filesize

    264KB

  • memory/2360-1120-0x0000000000B30000-0x0000000000B7C000-memory.dmp

    Filesize

    304KB

  • memory/2360-1130-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2468-1134-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-1135-0x0000000073450000-0x0000000073B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2468-1136-0x0000000004B40000-0x0000000004B80000-memory.dmp

    Filesize

    256KB

  • memory/2468-1138-0x0000000073450000-0x0000000073B3E000-memory.dmp

    Filesize

    6.9MB