Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:40

General

  • Target

    PO45310020--Qianjin.exe

  • Size

    953KB

  • MD5

    469bb30e3e9baad33f2f4d3545deec3a

  • SHA1

    88c8460ab90dffa9e78d78db4acef18b0eb89499

  • SHA256

    02f9396ee3b0c036ac2c1e142db73e7768e517a9b3da4844dd8d78f576a5bbc9

  • SHA512

    e24b5cda02966fd0d400d12ecdb15c54911744dfe166cdc692f26181eb301693fc613a3c42abd61649f4f60d9d74675a9927f809a5614bb65325fed79edf2b5a

  • SSDEEP

    24576:vlw1Vp0Yigp9piOX5rGhSbR02qBXVJhir:2y1gp9brGMqG

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe
    "C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe
      "C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO45310020--Qianjin.exe.log

    Filesize

    1KB

    MD5

    3c6df815182138b771482782a672d81a

    SHA1

    6fd18f15283862a4e9df1234fa82abeccd98e384

    SHA256

    f96db9f49c2ba07ca282dc986077ab03f987183dc595594216c32b887bffa4b0

    SHA512

    150bdfe4fc36538da93346ac18a393c3eb7fec512894e076baf1602f9ff3f4608c624bab808903a1bddce976e4e51aa655ad749422763bf9799b1cec2d064feb

  • memory/696-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/696-21-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/696-20-0x00000000065D0000-0x0000000006620000-memory.dmp

    Filesize

    320KB

  • memory/696-19-0x0000000004F30000-0x0000000004F96000-memory.dmp

    Filesize

    408KB

  • memory/696-18-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/696-16-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-5-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-6-0x0000000005300000-0x000000000530A000-memory.dmp

    Filesize

    40KB

  • memory/4224-9-0x0000000006450000-0x000000000645E000-memory.dmp

    Filesize

    56KB

  • memory/4224-10-0x0000000006460000-0x0000000006470000-memory.dmp

    Filesize

    64KB

  • memory/4224-11-0x00000000064D0000-0x0000000006554000-memory.dmp

    Filesize

    528KB

  • memory/4224-12-0x0000000008D30000-0x0000000008DCC000-memory.dmp

    Filesize

    624KB

  • memory/4224-8-0x0000000005A80000-0x0000000005A96000-memory.dmp

    Filesize

    88KB

  • memory/4224-7-0x00000000068B0000-0x000000000694E000-memory.dmp

    Filesize

    632KB

  • memory/4224-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

    Filesize

    4KB

  • memory/4224-17-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-4-0x0000000004EE0000-0x0000000005234000-memory.dmp

    Filesize

    3.3MB

  • memory/4224-2-0x0000000005490000-0x0000000005A34000-memory.dmp

    Filesize

    5.6MB

  • memory/4224-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

    Filesize

    584KB

  • memory/4224-1-0x0000000000340000-0x0000000000434000-memory.dmp

    Filesize

    976KB