Analysis

  • max time kernel
    140s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 01:34

General

  • Target

    6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe

  • Size

    733KB

  • MD5

    3bc4385ad5555fc74e0f541700816d7e

  • SHA1

    647ee774f828346ca1058aee2c16e62c7ca3de77

  • SHA256

    6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380

  • SHA512

    3f2bd19e06ad5be36da12a89799d609e1e04f3e8be8788038fb92e40170de4d0e7e803a396897dc41cd98494d487cbd90a0a6056667400ca7250d4b1cbfb82d6

  • SSDEEP

    12288:FX0pxrV36Di8BtLGNluOrwHX1upARQdEU3zMYqGyc/Jb7WqUfsXONYlp7ElkR:aBFKIl2HlyARQdEU3AhQxbpUfsXyup7T

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    zqamcx.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Methodman991

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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 32 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\6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe
    "C:\Users\Admin\AppData\Local\Temp\6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:228
    • 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\6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3644
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UGCAVDJEyTL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2220
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UGCAVDJEyTL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1656
    • C:\Users\Admin\AppData\Local\Temp\6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe
      "C:\Users\Admin\AppData\Local\Temp\6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:496
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4368

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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\Temp\__PSScriptPolicyTest_g1wbve1s.nla.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp

      Filesize

      1KB

      MD5

      75cbf3acb898edc917239ffae512a1c9

      SHA1

      de97b38325d6198c140c930214ccab9a753068aa

      SHA256

      015445788613d0a90c06cc4f97117f9e7afa2a8a33b563e2ee3e061b5d289e23

      SHA512

      6dffd557400768f28843c53fc151ab0f20e937ba213de12e1631d6970ae321a0967ac3821cabbc986daa0377e8b310487f275f1945b54ad3fb2e3754c2706ffc

    • memory/228-4-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/228-10-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/228-5-0x00000000052D0000-0x00000000052DA000-memory.dmp

      Filesize

      40KB

    • memory/228-6-0x0000000006AD0000-0x0000000006AF2000-memory.dmp

      Filesize

      136KB

    • memory/228-7-0x0000000005880000-0x0000000005890000-memory.dmp

      Filesize

      64KB

    • memory/228-8-0x0000000004C30000-0x0000000004CB4000-memory.dmp

      Filesize

      528KB

    • memory/228-9-0x000000000C480000-0x000000000C51C000-memory.dmp

      Filesize

      624KB

    • memory/228-3-0x0000000005210000-0x00000000052A2000-memory.dmp

      Filesize

      584KB

    • memory/228-11-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/228-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

      Filesize

      5.6MB

    • memory/228-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

      Filesize

      4KB

    • memory/228-48-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/228-1-0x0000000000780000-0x0000000000838000-memory.dmp

      Filesize

      736KB

    • memory/496-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/496-77-0x00000000067B0000-0x0000000006800000-memory.dmp

      Filesize

      320KB

    • memory/2220-25-0x0000000006000000-0x0000000006066000-memory.dmp

      Filesize

      408KB

    • memory/2220-80-0x0000000007D10000-0x0000000007D1E000-memory.dmp

      Filesize

      56KB

    • memory/2220-23-0x00000000056F0000-0x0000000005712000-memory.dmp

      Filesize

      136KB

    • memory/2220-26-0x0000000006070000-0x00000000060D6000-memory.dmp

      Filesize

      408KB

    • memory/2220-21-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2220-20-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2220-88-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2220-39-0x0000000006160000-0x00000000064B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2220-83-0x0000000007E00000-0x0000000007E08000-memory.dmp

      Filesize

      32KB

    • memory/2220-22-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2220-50-0x0000000006D10000-0x0000000006D5C000-memory.dmp

      Filesize

      304KB

    • memory/2220-79-0x0000000007CE0000-0x0000000007CF1000-memory.dmp

      Filesize

      68KB

    • memory/2220-68-0x0000000006DB0000-0x0000000006DCE000-memory.dmp

      Filesize

      120KB

    • memory/2220-78-0x0000000007D60000-0x0000000007DF6000-memory.dmp

      Filesize

      600KB

    • memory/2220-52-0x00000000757A0000-0x00000000757EC000-memory.dmp

      Filesize

      304KB

    • memory/2220-51-0x00000000077B0000-0x00000000077E2000-memory.dmp

      Filesize

      200KB

    • memory/2220-76-0x0000000007B50000-0x0000000007B5A000-memory.dmp

      Filesize

      40KB

    • memory/3644-74-0x0000000007F00000-0x000000000857A000-memory.dmp

      Filesize

      6.5MB

    • memory/3644-75-0x00000000075D0000-0x00000000075EA000-memory.dmp

      Filesize

      104KB

    • memory/3644-16-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3644-73-0x00000000074E0000-0x0000000007583000-memory.dmp

      Filesize

      652KB

    • memory/3644-53-0x00000000757A0000-0x00000000757EC000-memory.dmp

      Filesize

      304KB

    • memory/3644-49-0x00000000064E0000-0x00000000064FE000-memory.dmp

      Filesize

      120KB

    • memory/3644-81-0x0000000007A20000-0x0000000007A34000-memory.dmp

      Filesize

      80KB

    • memory/3644-82-0x0000000007B20000-0x0000000007B3A000-memory.dmp

      Filesize

      104KB

    • memory/3644-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3644-19-0x0000000005830000-0x0000000005E58000-memory.dmp

      Filesize

      6.2MB

    • memory/3644-89-0x0000000074F30000-0x00000000756E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3644-14-0x0000000002B90000-0x0000000002BC6000-memory.dmp

      Filesize

      216KB