Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 20:01

General

  • Target

    z47TTSWIFTCOPY.scr.exe

  • Size

    851KB

  • MD5

    65d33bde1b9e3d11e7b3ce0767fd22ec

  • SHA1

    bf2496621ae5c35c3ba4056af0290ba1104c7056

  • SHA256

    8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055

  • SHA512

    7b5ae1a98fbcf8196b9d8a4cd856e4bb7a8cfbc996ac9b792e8cfee2b670c76ab64ab7a478a7b142bdb03b86cacc803b984ebac302a095eff4f0cb10ff09a318

  • SSDEEP

    12288:0e2VXNGg3VBx6k/+Ac0ZXN07M8NHNOraQ5ZCKaGSTij9N/Uu49f2FSWuEz8/A1yp:0e2zsk55m7M8NH8RCAIu49O8jEA/G

Malware Config

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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).

  • 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\z47TTSWIFTCOPY.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\z47TTSWIFTCOPY.scr.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4652
    • 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\z47TTSWIFTCOPY.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4288
    • C:\Users\Admin\AppData\Local\Temp\z47TTSWIFTCOPY.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\z47TTSWIFTCOPY.scr.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z47TTSWIFTCOPY.scr.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3243wgl1.csh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1832-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1832-64-0x00000000065A0000-0x00000000065F0000-memory.dmp

    Filesize

    320KB

  • memory/1832-62-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-19-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-18-0x0000000004F80000-0x0000000004FE6000-memory.dmp

    Filesize

    408KB

  • memory/1832-14-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-23-0x00000000050E0000-0x0000000005102000-memory.dmp

    Filesize

    136KB

  • memory/4288-51-0x00000000073D0000-0x00000000073EA000-memory.dmp

    Filesize

    104KB

  • memory/4288-61-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-58-0x00000000076F0000-0x00000000076F8000-memory.dmp

    Filesize

    32KB

  • memory/4288-57-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/4288-56-0x0000000007610000-0x0000000007624000-memory.dmp

    Filesize

    80KB

  • memory/4288-55-0x0000000007600000-0x000000000760E000-memory.dmp

    Filesize

    56KB

  • memory/4288-17-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-16-0x0000000004AE0000-0x0000000004B16000-memory.dmp

    Filesize

    216KB

  • memory/4288-54-0x00000000075D0000-0x00000000075E1000-memory.dmp

    Filesize

    68KB

  • memory/4288-53-0x0000000007650000-0x00000000076E6000-memory.dmp

    Filesize

    600KB

  • memory/4288-20-0x00000000052B0000-0x00000000058D8000-memory.dmp

    Filesize

    6.2MB

  • memory/4288-21-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-22-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4288-52-0x0000000007440000-0x000000000744A000-memory.dmp

    Filesize

    40KB

  • memory/4288-24-0x00000000058E0000-0x0000000005946000-memory.dmp

    Filesize

    408KB

  • memory/4288-50-0x0000000007A20000-0x000000000809A000-memory.dmp

    Filesize

    6.5MB

  • memory/4288-34-0x0000000005AB0000-0x0000000005E04000-memory.dmp

    Filesize

    3.3MB

  • memory/4288-35-0x00000000060A0000-0x00000000060BE000-memory.dmp

    Filesize

    120KB

  • memory/4288-36-0x0000000006650000-0x000000000669C000-memory.dmp

    Filesize

    304KB

  • memory/4288-37-0x0000000007060000-0x0000000007092000-memory.dmp

    Filesize

    200KB

  • memory/4288-48-0x0000000006630000-0x000000000664E000-memory.dmp

    Filesize

    120KB

  • memory/4288-38-0x00000000708D0000-0x000000007091C000-memory.dmp

    Filesize

    304KB

  • memory/4288-49-0x00000000070A0000-0x0000000007143000-memory.dmp

    Filesize

    652KB

  • memory/4652-3-0x0000000005860000-0x00000000058F2000-memory.dmp

    Filesize

    584KB

  • memory/4652-9-0x0000000007230000-0x00000000072B4000-memory.dmp

    Filesize

    528KB

  • memory/4652-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/4652-4-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-5-0x0000000005930000-0x000000000593A000-memory.dmp

    Filesize

    40KB

  • memory/4652-15-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-6-0x0000000005E60000-0x0000000005E70000-memory.dmp

    Filesize

    64KB

  • memory/4652-7-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/4652-8-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-10-0x0000000009800000-0x000000000989C000-memory.dmp

    Filesize

    624KB

  • memory/4652-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

    Filesize

    5.6MB

  • memory/4652-1-0x0000000000DE0000-0x0000000000EBA000-memory.dmp

    Filesize

    872KB