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
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 01:02

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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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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:2872
    • 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:2376
    • 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:2796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VjpHToGqhIA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44AE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2672
    • 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:2964

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\Cab5582.tmp
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Tar5594.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp44AE.tmp
    Filesize

    1KB

    MD5

    00854b869f50b44be7695ce2f7b269f0

    SHA1

    fb9b9ef0d1454887ab792e9f6a4baf12a960daa0

    SHA256

    076b40179ce9a0285306d362edad37c1501cb1671602db4aad19f9a2a8f58ad3

    SHA512

    88fbd2198f164c74a0847f1b5d4e39d943c8a3b5dde0ab82ea558c861538bec48cb4c04a04beaa015dab7e3c27c3c55c73440f237dadbe1df066bece0467436d

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    7aa9e9cae56bf235d7ded47ffe3b15e9

    SHA1

    716b2121651859acf55e425e9e2195675e733182

    SHA256

    94aa9d12105b929bfb1526e7f34fd594948c28212dcfb189e49b9acef4f0b418

    SHA512

    c89cf989c9c04df97ee0d8244bf5ed37e84346d13d9aa2b8a7de58638f942710e1f891479cafed1589aa15f0a0f3a39f56eb0b776ede2b2be4b8ff6f836f0b9b

    Download Submit

  • memory/2872-32-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2872-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2872-1-0x0000000001100000-0x00000000011A6000-memory.dmp

    Filesize

    664KB

    Download

  • memory/2872-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2872-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2872-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

    Download

  • memory/2872-6-0x0000000004DF0000-0x0000000004E76000-memory.dmp

    Filesize

    536KB

    Download

  • memory/2872-3-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2964-31-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2964-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-28-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download

  • memory/2964-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

    Download