Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:07

General

  • Target

    3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe

  • Size

    753KB

  • MD5

    a10c303687dbfa01a1cde1e2d12c35dc

  • SHA1

    07267b76c33231918f45dc6c2c5a068dd45a8d89

  • SHA256

    3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2

  • SHA512

    787eae41edb11779c5cc57abe134614989a1c394ad448d7a450025f5c282e075a7b51ba81aebaa3123ceb158197ac2895a8f99488977b114db66300af5b88693

  • SSDEEP

    12288:qefJd3r5WDJYkOsDfZxYOZCpWdJ9HIT5C//mL4F3Q9ytW0avehK8EACR5leZlN:xfX3Ne/Oo3ZxdYL4F3K0zhKZA+er

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe
    "C:\Users\Admin\AppData\Local\Temp\3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1732
    • 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\3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NIOBaU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NIOBaU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BE8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe
      "C:\Users\Admin\AppData\Local\Temp\3c6d4b1f44029528b67277bee75b7936c38481dcdcef4d4f383e7b467d017cc2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3BE8.tmp

    Filesize

    1KB

    MD5

    c8f60acdb840d2df4f147e48c1b89a57

    SHA1

    fdc923b7ef0df931e301f19956127a53c2f0451d

    SHA256

    330bc6e064c106f44f8b5fcfbbe171bea76af75ad2bf7a0badcc46c535ead043

    SHA512

    f91d3bb7b3c3581382d9d47d777ecca8481330acbd8eb3f01755cb8fd1413d1613f15c634296d3a4383a474c4f27e9d5b9bd5bef9279d8d303d0ba65e47ba07b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RNY90GBK4OQREEQTWHWD.temp

    Filesize

    7KB

    MD5

    f058470de1ce0efaaaa554a19b625bb3

    SHA1

    71356cebf192ed1a59e52b16edb906b1a66ac0f8

    SHA256

    ab79efdceb0327c29277b5a41a1957d84e54a144d598b6b227236a15f05e15fc

    SHA512

    ba0a39f17505fcdea689e041d1c4baac59a5d94388895e35e614afd1f22a5b2096bc60ebd0b4a43f67b53132881776a5fe6045b5dc0c679df1df5f53c60ec4c4

  • memory/1732-30-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-1-0x0000000000210000-0x00000000002D2000-memory.dmp

    Filesize

    776KB

  • memory/1732-2-0x00000000741D0000-0x00000000748BE000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-3-0x00000000005B0000-0x00000000005D2000-memory.dmp

    Filesize

    136KB

  • memory/1732-4-0x0000000000520000-0x0000000000530000-memory.dmp

    Filesize

    64KB

  • memory/1732-5-0x000000000A0E0000-0x000000000A162000-memory.dmp

    Filesize

    520KB

  • memory/1732-0-0x00000000741DE000-0x00000000741DF000-memory.dmp

    Filesize

    4KB

  • memory/2600-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2600-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2600-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB