Overview

overview

10

Static

static

1

Trojan.MSI...AJ.exe

windows7-x64

10

Trojan.MSI...AJ.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 08:24

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General

  • Target

    Trojan.MSIL.Formbook.AMAJ.exe

  • Size

    655KB

  • MD5

    13b35d8e78861524e10b29f6f46a3b20

  • SHA1

    457beca2f81d17662524e3a72da416d56df1b86e

  • SHA256

    94fcf4577759c6ba44c9bc4672ca962f27f7f92c5f5ddac01e2abf53767ce2df

  • SHA512

    e04b6560525aa949328e72672bd75eef7aaef3fcea618d517b45b3844901fe46f027b12e708de42ffe04f64837da746595b121e0e25e8ec5fab41cf454b116da

  • SSDEEP

    12288:ncFGdbZ138dNgrF5aMEgAkxzwhR8ZhdDTidYjsYJznwmie0Bd5E8P3N9i72lPkR:KmSniF5zEgAkx8hIBeyI0nw55xVkEK

Score
10/10
agentteslacredential_accessdiscoveryexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.strato.de
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oy1)8JSu_qPx(rzV_{Xu

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VjpHToGqhIA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VjpHToGqhIA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F90.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2548
    • C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe"
      2⤵
        PID:1304
      • C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe
        "C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Formbook.AMAJ.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1296

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    System Information Discovery

    1
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Data from Local System

    4
    T1005

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Cab5237.tmp
      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\Tar5259.tmp
      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp3F90.tmp
      Filesize

      1KB

      MD5

      daf710c3d91b1bbeb9bb2bf54fbc30c6

      SHA1

      e1d19d9836f1629f6901fed0c6accf989c389a2a

      SHA256

      ba34fbae0983572c54425462c4f20699710e6793431599be2480532ab00fca55

      SHA512

      825f5f011f0da2166c4b64b01d50ccb1256f61c3ddf4b47564894c8f7895b5084a5a2a6ffe67614a9b32d0925c557f8f6d5a398e9701e71d06051687036ef9b5

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YVIVFAHHATPRCW35SDJD.temp
      Filesize

      7KB

      MD5

      498f37565f9920506c05f6d629781c5e

      SHA1

      9f129a94eafdd21cf37bfc8d76a3b4e81809bbeb

      SHA256

      6a5fced4e2c558500d291a2d1299b1a1a2dee239028d1fe6edda7c56a6165a9c

      SHA512

      1ac4003df7995234ad57de67ce8a9c0091a4d9146ce54f6e13a93de9befe10ea015682388bac85f105cd170fc15f137b3bf69890fad65ab149fb0091f9708dff

      Download Submit

    • memory/1296-31-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-21-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-19-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-29-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-23-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-28-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1296-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1296-25-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

      Download

    • memory/2756-3-0x0000000000540000-0x0000000000550000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2756-4-0x00000000745CE000-0x00000000745CF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2756-5-0x00000000745C0000-0x0000000074CAE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/2756-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2756-6-0x0000000004370000-0x00000000043F6000-memory.dmp

      Filesize

      536KB

      Download

    • memory/2756-32-0x00000000745C0000-0x0000000074CAE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/2756-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

      Filesize

      6.9MB

      Download

    • memory/2756-1-0x0000000000050000-0x00000000000F6000-memory.dmp

      Filesize

      664KB

      Download