Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 08:55

General

  • Target

    e146d579d1e2ccb3ae39881ab53d67a5.exe

  • Size

    819KB

  • MD5

    e146d579d1e2ccb3ae39881ab53d67a5

  • SHA1

    0ee90d5f0f44b921b6eb043882bfca1fa59825d6

  • SHA256

    4b50ad683aa4fa64ea52f33f77fdee2ee70c1c98bae14f75982469520830cc55

  • SHA512

    3ad8afa102b344069bf183f45905f1e35c62b186b121efb65090bcff41855f514308ad461aa547b87e0d80e0d9d7a255708f4f7f80fb52d3e6f37edd645fff17

  • SSDEEP

    12288:O1SjlOAQZSoR65AXwgFvuSSiILJf5ZjGXSTZjgpsecmEDzZZHTydD1166/vDiT6:/oR6qg/PKiJgpsZDw/ZnD86BqLPYO

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe
    "C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe
      "C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe"
      2⤵
        PID:960
      • C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe
        "C:\Users\Admin\AppData\Local\Temp\e146d579d1e2ccb3ae39881ab53d67a5.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4916

    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

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e146d579d1e2ccb3ae39881ab53d67a5.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/572-10-0x0000000008470000-0x000000000850E000-memory.dmp
      Filesize

      632KB

    • memory/572-5-0x0000000005A20000-0x0000000005A2A000-memory.dmp
      Filesize

      40KB

    • memory/572-11-0x0000000008220000-0x000000000825C000-memory.dmp
      Filesize

      240KB

    • memory/572-1-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/572-15-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/572-6-0x0000000008010000-0x00000000080AC000-memory.dmp
      Filesize

      624KB

    • memory/572-7-0x0000000005E30000-0x0000000005E4A000-memory.dmp
      Filesize

      104KB

    • memory/572-8-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/572-9-0x0000000005CD0000-0x0000000005CE0000-memory.dmp
      Filesize

      64KB

    • memory/572-0-0x0000000000F40000-0x0000000001012000-memory.dmp
      Filesize

      840KB

    • memory/572-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp
      Filesize

      584KB

    • memory/572-2-0x0000000005F70000-0x0000000006514000-memory.dmp
      Filesize

      5.6MB

    • memory/572-4-0x0000000005CD0000-0x0000000005CE0000-memory.dmp
      Filesize

      64KB

    • memory/4916-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/4916-16-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/4916-17-0x0000000005680000-0x0000000005690000-memory.dmp
      Filesize

      64KB

    • memory/4916-18-0x0000000006220000-0x0000000006238000-memory.dmp
      Filesize

      96KB

    • memory/4916-19-0x00000000062C0000-0x0000000006326000-memory.dmp
      Filesize

      408KB

    • memory/4916-20-0x0000000074800000-0x0000000074FB0000-memory.dmp
      Filesize

      7.7MB

    • memory/4916-21-0x0000000005680000-0x0000000005690000-memory.dmp
      Filesize

      64KB

    • memory/4916-22-0x0000000006430000-0x0000000006480000-memory.dmp
      Filesize

      320KB