Analysis

  • max time kernel
    118s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-09-2024 01:10

General

  • Target

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe

  • Size

    1.4MB

  • MD5

    7c89b48a2752a771eb6457fe2fea1d8e

  • SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

  • SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

  • SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • SSDEEP

    24576:OnpUwegOzvr+8J97vsJRx1osJYWDaK9rB6hjscMmQV5IPiMtWb05UaaYy6nnjqKh:OCri8H7vsjx1V15B6xscMmY6ivQUNEjF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
    "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2240
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IbwIIBmUDWimTZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IbwIIBmUDWimTZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp242.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2900
    • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
      "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2648
      • 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\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3028
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3016
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2848
      • C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe
        "C:\Users\Admin\AppData\Local\Temp\3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp242.tmp

    Filesize

    1KB

    MD5

    1a937cb717834f2ffe17e297282b79d9

    SHA1

    bcfc981e7e99e833f2c46c25347e1a0eeeefd88a

    SHA256

    fe5b002b0028e38e8c853e8e6d8e9436e3858f77187ccc50bb67b5d0ac546ec1

    SHA512

    b1fa898407c1fba954df18fe6f45d3a404720a092c6a5cc1220c67d2e26d63cce73f5354cb7129229f39c7dc758b2ae583c6d6ee10b8085739b80726a712de9d

  • C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp

    Filesize

    1KB

    MD5

    592d3f1d9c10d406b5b39b7f9024baa6

    SHA1

    f7c3a5e36aa55329144b05107f6c2f2183cb2678

    SHA256

    ab86a22df7dc190ff70a7b9ab15707e029b4fa926b6273ccd1e4f042fbaadfd0

    SHA512

    c3822b8348b9b1c26ba375bfbcf703ec4967ebf9fbb4823d27b39061f12df59585fc474ac25e9638fa28b720f0af028fd889659d7482dfe46cba8bca63c9480d

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

    Filesize

    7KB

    MD5

    e3c3ec7405c52d78d390cc8f2d6e75fb

    SHA1

    2d55ccd41de359d6db49e4ddcc7c15d164d7ad46

    SHA256

    59460665eaacd935c278bb6093e390d9eba7b6f497d9007af794468cbb5bed87

    SHA512

    ecaf9600a3b60d00f22eb5601869125f4d1488ed6dc5bd8c94cd839be52f93e054003564cc3830580aa915473d13db704e46b619a72da07bdaac2579cc27adcc

  • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

    Filesize

    1.4MB

    MD5

    7c89b48a2752a771eb6457fe2fea1d8e

    SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

    SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

    SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • memory/2532-5-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-6-0x0000000005AA0000-0x0000000005BB4000-memory.dmp

    Filesize

    1.1MB

  • memory/2532-4-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2532-3-0x0000000000450000-0x0000000000460000-memory.dmp

    Filesize

    64KB

  • memory/2532-1-0x0000000001190000-0x0000000001300000-memory.dmp

    Filesize

    1.4MB

  • memory/2532-31-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2532-0-0x000000007412E000-0x000000007412F000-memory.dmp

    Filesize

    4KB

  • memory/2532-2-0x0000000074120000-0x000000007480E000-memory.dmp

    Filesize

    6.9MB

  • memory/2648-19-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-32-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-23-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-21-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2648-33-0x00000000010F0000-0x0000000001190000-memory.dmp

    Filesize

    640KB

  • memory/2648-34-0x0000000004AD0000-0x0000000004B52000-memory.dmp

    Filesize

    520KB

  • memory/2648-28-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-29-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2648-25-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/3048-51-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-53-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-63-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-57-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-60-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-55-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3048-61-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB