Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:30

General

  • Target

    fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe

  • Size

    731KB

  • MD5

    81cb8ea8d9b46383fcb2a1a46e8b88bc

  • SHA1

    9eb657a5d0836dbc323fc3c129e133c14f99d7d1

  • SHA256

    fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0

  • SHA512

    8620f2376ca0ae293e9eebb8335e2fe63cf420ddfe00de4f0532424e816ced1e64eef314c02f4f74b9cb4f82a86f543dc435dcb92e6ad2d3dad949e5a258c705

  • SSDEEP

    12288:bYWET/mr9KfW+G84wBj5J3MvgHUgwszbpy+uPnO/FdPa4g+m/bb821RMSQkR:bYWtjV+J8oHUgwszc+uPaPnO/bbJJ

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe
    "C:\Users\Admin\AppData\Local\Temp\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2632
    • 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\fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NNSwwLIbU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NNSwwLIbU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp928B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3384

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

    48bfcf78eb30e4bff09916fde628f6c2

    SHA1

    1ef99345cbbcbbe6d97314fbaac629eedad9d3ee

    SHA256

    dbe13dc856d3c992b15839e6d1fce8aa9be9f8f9efaa3b494e6469d653b9c660

    SHA512

    c65ce1e675e24cb049089ba7541bd32a6ee2dfbe2e9c20d9dcd1f8823993bc899c7fba930e87f7c946beb7cf8573347227b42ae47664e385250067ae75a642a7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_caqtj0w5.k3e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp928B.tmp

    Filesize

    1KB

    MD5

    8bcdc5897ba924f7202f64fa169d8669

    SHA1

    2884cf0bdbcd6c561fe4588ae3651f80e54122fc

    SHA256

    c535ff915434338fe54301ea6718270b199df00c260058c679e05ac81453ffba

    SHA512

    13bb66b299eb894c81886c192d9157637a3a73b3f2afd2782ce8aff9fbf8c2b50671babadde341a528d5d51df9c2d7988c97aef4df1e70cec0d9d64d0b318f49

  • memory/1484-77-0x0000000007C40000-0x0000000007C5A000-memory.dmp

    Filesize

    104KB

  • memory/1484-91-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-64-0x0000000007910000-0x00000000079B3000-memory.dmp

    Filesize

    652KB

  • memory/1484-63-0x0000000006ED0000-0x0000000006EEE000-memory.dmp

    Filesize

    120KB

  • memory/1484-52-0x0000000006EF0000-0x0000000006F22000-memory.dmp

    Filesize

    200KB

  • memory/1484-53-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

    Filesize

    304KB

  • memory/1484-50-0x0000000006820000-0x000000000683E000-memory.dmp

    Filesize

    120KB

  • memory/1484-51-0x0000000006950000-0x000000000699C000-memory.dmp

    Filesize

    304KB

  • memory/1484-76-0x0000000008290000-0x000000000890A000-memory.dmp

    Filesize

    6.5MB

  • memory/1484-44-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-85-0x0000000007F60000-0x0000000007F68000-memory.dmp

    Filesize

    32KB

  • memory/1484-83-0x0000000007E80000-0x0000000007E94000-memory.dmp

    Filesize

    80KB

  • memory/1484-47-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-79-0x0000000007EC0000-0x0000000007F56000-memory.dmp

    Filesize

    600KB

  • memory/1484-82-0x0000000007E70000-0x0000000007E7E000-memory.dmp

    Filesize

    56KB

  • memory/1484-25-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-80-0x0000000007E40000-0x0000000007E51000-memory.dmp

    Filesize

    68KB

  • memory/2632-1-0x0000000000E40000-0x0000000000EFA000-memory.dmp

    Filesize

    744KB

  • memory/2632-49-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

    Filesize

    5.6MB

  • memory/2632-3-0x0000000005900000-0x0000000005992000-memory.dmp

    Filesize

    584KB

  • memory/2632-4-0x0000000005A90000-0x0000000005A9A000-memory.dmp

    Filesize

    40KB

  • memory/2632-6-0x0000000005D00000-0x0000000005D22000-memory.dmp

    Filesize

    136KB

  • memory/2632-16-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/2632-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

    Filesize

    4KB

  • memory/2632-10-0x000000000B8E0000-0x000000000B97C000-memory.dmp

    Filesize

    624KB

  • memory/2632-9-0x0000000006E00000-0x0000000006E84000-memory.dmp

    Filesize

    528KB

  • memory/2632-8-0x0000000003170000-0x0000000003180000-memory.dmp

    Filesize

    64KB

  • memory/2632-7-0x0000000005E80000-0x0000000005E8C000-memory.dmp

    Filesize

    48KB

  • memory/2632-45-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/2632-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-34-0x0000000005530000-0x0000000005884000-memory.dmp

    Filesize

    3.3MB

  • memory/3108-78-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

    Filesize

    40KB

  • memory/3108-90-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-22-0x0000000005450000-0x00000000054B6000-memory.dmp

    Filesize

    408KB

  • memory/3108-21-0x0000000004D60000-0x0000000004D82000-memory.dmp

    Filesize

    136KB

  • memory/3108-23-0x00000000054C0000-0x0000000005526000-memory.dmp

    Filesize

    408KB

  • memory/3108-17-0x0000000004E20000-0x0000000005448000-memory.dmp

    Filesize

    6.2MB

  • memory/3108-84-0x00000000071A0000-0x00000000071BA000-memory.dmp

    Filesize

    104KB

  • memory/3108-66-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

    Filesize

    304KB

  • memory/3108-15-0x0000000002200000-0x0000000002236000-memory.dmp

    Filesize

    216KB

  • memory/3384-81-0x0000000006770000-0x00000000067C0000-memory.dmp

    Filesize

    320KB

  • memory/3384-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB