Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 01:34

General

  • Target

    4292024_1714395150.scr

  • Size

    337KB

  • MD5

    5032b8bc6078eeadec52b4cbb019c1b1

  • SHA1

    4b7f62d3320da8f211ae010cdd88d1eebbc13c8c

  • SHA256

    35098ec666a2f092a16adee968c8bdba5ff18bf0febac3642a3a1d6641666c1c

  • SHA512

    51d2bee10c94d93dfa7563736f1721b066cd370e47312b9f2a041d2cb2134257f361363d6474e5fcc01c145b9c004be7b14f33dd171569df0ee2e2d66e937513

  • SSDEEP

    6144:iMCmPfvevASSPriWwoS4bNIuEvp7+BsUf2QwBMK9pA3DEHJLJqhPWgS:PHvi3Micb6uUUf2QwywpODEpVgWB

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7120748756:AAFZ1rNHWvZ2WKxfHU3qxCCnCA0rgvXj0Ts/

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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4292024_1714395150.scr
    "C:\Users\Admin\AppData\Local\Temp\4292024_1714395150.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1984

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/1040-0-0x0000000000B90000-0x0000000000BEA000-memory.dmp
    Filesize

    360KB

  • memory/1040-1-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/1040-2-0x0000000004ED0000-0x0000000004F10000-memory.dmp
    Filesize

    256KB

  • memory/1040-3-0x0000000000280000-0x00000000002D6000-memory.dmp
    Filesize

    344KB

  • memory/1040-4-0x0000000000590000-0x000000000059A000-memory.dmp
    Filesize

    40KB

  • memory/1040-19-0x0000000074230000-0x000000007491E000-memory.dmp
    Filesize

    6.9MB

  • memory/1984-14-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-18-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-16-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-11-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1984-9-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-7-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/1984-5-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB