Analysis

  • max time kernel
    64s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:46

General

  • Target

    SOF-41593-21052024112851.exe

  • Size

    783KB

  • MD5

    6662c13587dc2c81d93e5c2d53683050

  • SHA1

    d1dbb9cd770cbf02de049c2820debd6a9d9fa48f

  • SHA256

    280b463ac5311b367f5b3678a0305bcfcb7ff877814b0bbabb9839327b578c1f

  • SHA512

    afcdbb8ce3ec4fd9a72d5a29875eca0fac577395349157ce277738a68fc3b4aefa71d5286d97a7522ac5afe2341a61d1272f5dafc4665ddb718dc398d8a7267b

  • SSDEEP

    24576:Ae0jH3DI5Gw0c36v+i0O+KHqWeDc5XyCBs2A2:cPgGcf9XK5vXh02

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.

  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe
    "C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2724
    • 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\SOF-41593-21052024112851.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rkaDHUKbZLCALj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rkaDHUKbZLCALj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFED2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4684
    • C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe
      "C:\Users\Admin\AppData\Local\Temp\SOF-41593-21052024112851.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    c8fd6bf5bd4d2919b12488b36c22d1cf

    SHA1

    8f15924a977f875eec806f84aebc5ee04dfba686

    SHA256

    5c76d8b4cb2d1104598b7dc6536fbff22f683f8cb71187a2ee65a520635b06f5

    SHA512

    aaf158780fde46ee226d1b722c12462396ed852f2280e89a4b4a3fc3c18f235ee76a06059a3bc8c2b927db47d970af91c939df858299d2c2c4c6e5c986d47c08

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mjshomhy.gr3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFED2.tmp

    Filesize

    1KB

    MD5

    867ad19aa76c77a71e168b409798710f

    SHA1

    7b200d9bfd75ddf20acd8b92808aeee1a4b6b4c9

    SHA256

    353322f197a26ae65b36b7d7e4cfb3d9d23eecb2205f0184ae92580d1c719b27

    SHA512

    8bea9a848e9c726fc6a0a2e62eb62bdd865b7eb51cadeae8f295d5a6c7deee8fc2980d8d9b60865830588828c4acbe7673b38f9e9bcc96043cf799a7295d5ce1

  • memory/376-82-0x0000000007CE0000-0x0000000007CE8000-memory.dmp

    Filesize

    32KB

  • memory/376-21-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/376-61-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/376-77-0x0000000007C40000-0x0000000007CD6000-memory.dmp

    Filesize

    600KB

  • memory/376-50-0x00000000069C0000-0x0000000006A0C000-memory.dmp

    Filesize

    304KB

  • memory/376-80-0x0000000007C00000-0x0000000007C14000-memory.dmp

    Filesize

    80KB

  • memory/376-81-0x0000000007D00000-0x0000000007D1A000-memory.dmp

    Filesize

    104KB

  • memory/376-26-0x0000000005F10000-0x0000000005F76000-memory.dmp

    Filesize

    408KB

  • memory/376-75-0x0000000008000000-0x000000000867A000-memory.dmp

    Filesize

    6.5MB

  • memory/376-25-0x0000000005EA0000-0x0000000005F06000-memory.dmp

    Filesize

    408KB

  • memory/376-88-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/376-23-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-11-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-7-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

    Filesize

    64KB

  • memory/2724-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/2724-5-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-3-0x0000000005840000-0x00000000058D2000-memory.dmp

    Filesize

    584KB

  • memory/2724-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/2724-1-0x0000000000D90000-0x0000000000E56000-memory.dmp

    Filesize

    792KB

  • memory/2724-6-0x0000000005C90000-0x0000000005CAA000-memory.dmp

    Filesize

    104KB

  • memory/2724-4-0x0000000005A00000-0x0000000005A0A000-memory.dmp

    Filesize

    40KB

  • memory/2724-10-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/2724-48-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-9-0x000000000A8A0000-0x000000000A93C000-memory.dmp

    Filesize

    624KB

  • memory/2724-8-0x0000000006DD0000-0x0000000006E54000-memory.dmp

    Filesize

    528KB

  • memory/3632-90-0x0000000005F20000-0x0000000005F70000-memory.dmp

    Filesize

    320KB

  • memory/3632-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4316-16-0x0000000002DE0000-0x0000000002E16000-memory.dmp

    Filesize

    216KB

  • memory/4316-63-0x00000000076B0000-0x00000000076CE000-memory.dmp

    Filesize

    120KB

  • memory/4316-73-0x0000000007910000-0x00000000079B3000-memory.dmp

    Filesize

    652KB

  • memory/4316-52-0x0000000071380000-0x00000000713CC000-memory.dmp

    Filesize

    304KB

  • memory/4316-74-0x0000000007A30000-0x0000000007A4A000-memory.dmp

    Filesize

    104KB

  • memory/4316-76-0x0000000007AA0000-0x0000000007AAA000-memory.dmp

    Filesize

    40KB

  • memory/4316-51-0x00000000076D0000-0x0000000007702000-memory.dmp

    Filesize

    200KB

  • memory/4316-78-0x0000000007C30000-0x0000000007C41000-memory.dmp

    Filesize

    68KB

  • memory/4316-79-0x0000000007C60000-0x0000000007C6E000-memory.dmp

    Filesize

    56KB

  • memory/4316-49-0x0000000006700000-0x000000000671E000-memory.dmp

    Filesize

    120KB

  • memory/4316-46-0x0000000006250000-0x00000000065A4000-memory.dmp

    Filesize

    3.3MB

  • memory/4316-24-0x0000000005840000-0x0000000005862000-memory.dmp

    Filesize

    136KB

  • memory/4316-20-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-19-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-89-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-18-0x00000000058D0000-0x0000000005EF8000-memory.dmp

    Filesize

    6.2MB