Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:50

General

  • Target

    dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe

  • Size

    766KB

  • MD5

    3e90435e372fbf40c3c6db31770c82bb

  • SHA1

    9d2fc2cd74ac09c8ee08471f3a8f2cdd22ee1893

  • SHA256

    dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30

  • SHA512

    3f1c956cce80429b66fa211057a699422ba6fcf18d3aad0d071d1b1ee4c58ced0f9680e4a813a85481da464522f73fbabacdbe800084fc955013c98cf3f2eeef

  • SSDEEP

    12288:tAmaoGGYoJ/BHPWX44QzKLG5e/WJL95nGfUbSYjxMZrqqYACR5leZlNM6kR:tAjbGHp1KLiNJL919bSY243A+eruZ

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 1 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe
    "C:\Users\Admin\AppData\Local\Temp\dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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\dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nxiHJcS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nxiHJcS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7213.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1220
    • C:\Users\Admin\AppData\Local\Temp\dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe
      "C:\Users\Admin\AppData\Local\Temp\dc4c3978d7e8bedb1a7ef1f1db5b075cbbdb71f5da01d4c4976b6d605fb14b30.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    4abd0fc25fd1fa17b730464545af49f1

    SHA1

    a357d3dc9ba67712101f41794ba3b0122fbca66e

    SHA256

    074195e4004d53c5446880adae69d53e08e585712fa0496c027618e18584ed8a

    SHA512

    116fa3c788a518546c6f7dc26c9aa2f9afd052ca888769cd3c06a9caed682c8ba63c4791d47f28a4b27de89366c7e893ce5924ae9ae4e3eebe2375b31fd1ee1d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tl1es0k4.w30.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7213.tmp

    Filesize

    1KB

    MD5

    2263fb146b3d154037437c57787d755a

    SHA1

    9d746ece0ed0dbbc53a80606a451dbacdad892a4

    SHA256

    ba999ff65a9d2db117f7fabe4afa8722cc97ae47a915a1f5f6e6e490dfe9afd4

    SHA512

    4c2b98354ee1e2171dc09778943499f199c87289b335fd5cb1ae8736be7519e3abd4f8e7f5cd4f9c71eab0c5856a3ff0178820eb651978ed6bda038b438b7c8e

  • memory/904-76-0x00000000079C0000-0x00000000079D1000-memory.dmp

    Filesize

    68KB

  • memory/904-62-0x0000000075440000-0x000000007548C000-memory.dmp

    Filesize

    304KB

  • memory/904-46-0x0000000005E80000-0x00000000061D4000-memory.dmp

    Filesize

    3.3MB

  • memory/904-24-0x0000000005D00000-0x0000000005D22000-memory.dmp

    Filesize

    136KB

  • memory/904-17-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/904-25-0x0000000005DA0000-0x0000000005E06000-memory.dmp

    Filesize

    408KB

  • memory/904-84-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/904-14-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

    Filesize

    216KB

  • memory/904-16-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/904-15-0x0000000005690000-0x0000000005CB8000-memory.dmp

    Filesize

    6.2MB

  • memory/1900-27-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-4-0x00000000057A0000-0x00000000057AA000-memory.dmp

    Filesize

    40KB

  • memory/1900-9-0x00000000096C0000-0x000000000975C000-memory.dmp

    Filesize

    624KB

  • memory/1900-1-0x0000000000C40000-0x0000000000D02000-memory.dmp

    Filesize

    776KB

  • memory/1900-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

  • memory/1900-3-0x00000000056E0000-0x0000000005772000-memory.dmp

    Filesize

    584KB

  • memory/1900-8-0x000000000AC70000-0x000000000ACF2000-memory.dmp

    Filesize

    520KB

  • memory/1900-5-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-7-0x000000000A9B0000-0x000000000A9C0000-memory.dmp

    Filesize

    64KB

  • memory/1900-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

    Filesize

    4KB

  • memory/1900-6-0x0000000008200000-0x0000000008222000-memory.dmp

    Filesize

    136KB

  • memory/3696-49-0x00000000075D0000-0x0000000007602000-memory.dmp

    Filesize

    200KB

  • memory/3696-75-0x0000000007BB0000-0x0000000007C46000-memory.dmp

    Filesize

    600KB

  • memory/3696-48-0x0000000006B90000-0x0000000006BDC000-memory.dmp

    Filesize

    304KB

  • memory/3696-50-0x0000000075440000-0x000000007548C000-memory.dmp

    Filesize

    304KB

  • memory/3696-18-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3696-60-0x0000000006C00000-0x0000000006C1E000-memory.dmp

    Filesize

    120KB

  • memory/3696-61-0x0000000007610000-0x00000000076B3000-memory.dmp

    Filesize

    652KB

  • memory/3696-85-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3696-72-0x0000000007F80000-0x00000000085FA000-memory.dmp

    Filesize

    6.5MB

  • memory/3696-73-0x0000000007930000-0x000000000794A000-memory.dmp

    Filesize

    104KB

  • memory/3696-74-0x00000000079B0000-0x00000000079BA000-memory.dmp

    Filesize

    40KB

  • memory/3696-47-0x0000000006610000-0x000000000662E000-memory.dmp

    Filesize

    120KB

  • memory/3696-20-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/3696-77-0x0000000007B60000-0x0000000007B6E000-memory.dmp

    Filesize

    56KB

  • memory/3696-78-0x0000000007B70000-0x0000000007B84000-memory.dmp

    Filesize

    80KB

  • memory/3696-79-0x0000000007C70000-0x0000000007C8A000-memory.dmp

    Filesize

    104KB

  • memory/3696-80-0x0000000007C50000-0x0000000007C58000-memory.dmp

    Filesize

    32KB

  • memory/3696-21-0x0000000074BE0000-0x0000000075390000-memory.dmp

    Filesize

    7.7MB

  • memory/4008-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4008-26-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/4008-86-0x0000000007040000-0x0000000007090000-memory.dmp

    Filesize

    320KB