Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 01:24

General

  • Target

    8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe

  • Size

    755KB

  • MD5

    49a1b7551dcb6332880de16b36be8015

  • SHA1

    f14439e569ab7bdde5f50e1a430fdfc150fd45d2

  • SHA256

    8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac

  • SHA512

    a4d88e90e5aa53eb9d07b3527e1c4835c0a1cc2f2566a941da6e73cc1ded4c365faada34cf8cb632e2d4d2bce285f2b964962e944ad5fcb31cb9ebc8c1a1c940

  • SSDEEP

    12288:UytYRaUnn/ccM2iYx019cfbIX3sOZ6zHiit9ZSM+cYyvN+m5VbzODW151ZkR:5YgUkcX0/cfS8OZ6zHvocFPVHSg1E

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aowapnzgtwgqowgt

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe
    "C:\Users\Admin\AppData\Local\Temp\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4864
    • 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\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5028
    • C:\Users\Admin\AppData\Local\Temp\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe
      "C:\Users\Admin\AppData\Local\Temp\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xp54fa0y.enl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2968-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2968-19-0x00000000056A0000-0x0000000005706000-memory.dmp

    Filesize

    408KB

  • memory/2968-34-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-55-0x00000000064D0000-0x0000000006520000-memory.dmp

    Filesize

    320KB

  • memory/2968-63-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/2968-14-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-5-0x0000000005520000-0x000000000552A000-memory.dmp

    Filesize

    40KB

  • memory/4864-9-0x0000000007100000-0x0000000007182000-memory.dmp

    Filesize

    520KB

  • memory/4864-10-0x0000000009790000-0x000000000982C000-memory.dmp

    Filesize

    624KB

  • memory/4864-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/4864-6-0x00000000058A0000-0x00000000058B0000-memory.dmp

    Filesize

    64KB

  • memory/4864-15-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4864-3-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/4864-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4864-1-0x00000000009C0000-0x0000000000A7E000-memory.dmp

    Filesize

    760KB

  • memory/4864-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/5028-31-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-49-0x0000000007660000-0x0000000007703000-memory.dmp

    Filesize

    652KB

  • memory/5028-21-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/5028-32-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-33-0x0000000005F20000-0x0000000006274000-memory.dmp

    Filesize

    3.3MB

  • memory/5028-17-0x0000000005740000-0x0000000005D68000-memory.dmp

    Filesize

    6.2MB

  • memory/5028-35-0x0000000006420000-0x000000000643E000-memory.dmp

    Filesize

    120KB

  • memory/5028-36-0x00000000064D0000-0x000000000651C000-memory.dmp

    Filesize

    304KB

  • memory/5028-37-0x0000000007420000-0x0000000007452000-memory.dmp

    Filesize

    200KB

  • memory/5028-38-0x0000000070B30000-0x0000000070B7C000-memory.dmp

    Filesize

    304KB

  • memory/5028-48-0x0000000006A10000-0x0000000006A2E000-memory.dmp

    Filesize

    120KB

  • memory/5028-20-0x0000000005480000-0x00000000054A2000-memory.dmp

    Filesize

    136KB

  • memory/5028-50-0x0000000007DB0000-0x000000000842A000-memory.dmp

    Filesize

    6.5MB

  • memory/5028-51-0x0000000007770000-0x000000000778A000-memory.dmp

    Filesize

    104KB

  • memory/5028-52-0x00000000077E0000-0x00000000077EA000-memory.dmp

    Filesize

    40KB

  • memory/5028-53-0x00000000079F0000-0x0000000007A86000-memory.dmp

    Filesize

    600KB

  • memory/5028-54-0x0000000007970000-0x0000000007981000-memory.dmp

    Filesize

    68KB

  • memory/5028-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-56-0x00000000079A0000-0x00000000079AE000-memory.dmp

    Filesize

    56KB

  • memory/5028-57-0x00000000079B0000-0x00000000079C4000-memory.dmp

    Filesize

    80KB

  • memory/5028-58-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

    Filesize

    104KB

  • memory/5028-59-0x0000000007A90000-0x0000000007A98000-memory.dmp

    Filesize

    32KB

  • memory/5028-62-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-16-0x0000000002AC0000-0x0000000002AF6000-memory.dmp

    Filesize

    216KB