Analysis

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

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:14

General

  • Target

    5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319.exe

  • Size

    717KB

  • MD5

    9ca4ab0995beec29fe11cb1f70ac8b5b

  • SHA1

    9dd92b7b29e801da7eb01e8f6e44a801c87d4d3d

  • SHA256

    5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319

  • SHA512

    0c4964a954023b810d701ab57f1ac0778e081b759a13a2cb14fd2b60745ec5bfe960b4ab291f99513e1a2f8cdab387ecf922146ae9a4cdfae81b1be405a14030

  • SSDEEP

    12288:avTlvPUD9sPavSfe5TX8EL+dI3RPgVzQgsSpUk772uaoDLg6KzcKpa28NTpuFeJ4:w1PUD9sPavSfeBX8EL+dI3R23km7ioDy

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.

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319.exe
    "C:\Users\Admin\AppData\Local\Temp\5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319.exe
      "C:\Users\Admin\AppData\Local\Temp\5196087b853c69041e83e590dcde048902db2c91366b7c88a664778c7df96319.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2616

Network

MITRE ATT&CK Matrix ATT&CK v13

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/2616-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2616-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-20-0x0000000074AA0000-0x000000007518E000-memory.dmp
    Filesize

    6.9MB

  • memory/2616-11-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2616-23-0x0000000074AA0000-0x000000007518E000-memory.dmp
    Filesize

    6.9MB

  • memory/2616-21-0x0000000074AA0000-0x000000007518E000-memory.dmp
    Filesize

    6.9MB

  • memory/2616-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2932-7-0x0000000005CF0000-0x0000000005D72000-memory.dmp
    Filesize

    520KB

  • memory/2932-6-0x00000000006A0000-0x00000000006B0000-memory.dmp
    Filesize

    64KB

  • memory/2932-1-0x0000000000B80000-0x0000000000C3A000-memory.dmp
    Filesize

    744KB

  • memory/2932-5-0x0000000000430000-0x000000000043C000-memory.dmp
    Filesize

    48KB

  • memory/2932-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp
    Filesize

    4KB

  • memory/2932-4-0x0000000000480000-0x00000000004A2000-memory.dmp
    Filesize

    136KB

  • memory/2932-3-0x00000000050C0000-0x0000000005178000-memory.dmp
    Filesize

    736KB

  • memory/2932-22-0x0000000074AA0000-0x000000007518E000-memory.dmp
    Filesize

    6.9MB

  • memory/2932-2-0x0000000074AA0000-0x000000007518E000-memory.dmp
    Filesize

    6.9MB