Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2024, 11:41

General

  • Target

    Swiftcopy.exe.bin.exe

  • Size

    700KB

  • MD5

    a3f691b8cbca9531cb2e2711e0f2a166

  • SHA1

    3f8369e5be5fa86d52afb5dbe538bddc0060ab90

  • SHA256

    e8fe4366c2f5dec094103ca8abbf55bf6d2bfd50fa9e6441111678a0f0e8c432

  • SHA512

    d0394294e50b28950a96cf1b061d19f5621eb402d20bf16aee212697af210a0befb05d8c7b7ec93e38000cfecbd076829662fe1d5ead075776d9f69ea075e84c

  • SSDEEP

    12288:hdrLbDZaNRpTTqcoXw8w4r9a4klENmi/Z1VQ62FcjD/fyww6Ht7NalxIJetRy3f:7LDZMRpTX9hv4kNeV7vxN7NajMv3f

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.

  • 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 1 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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\Swiftcopy.exe.bin.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BThrvPseKTe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BThrvPseKTe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\Swiftcopy.exe.bin.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp495F.tmp

          Filesize

          1KB

          MD5

          b009d3b7d433c1fe81185664545d35aa

          SHA1

          c7ead36d004721926c2b5c93ab8b4b765eb1d521

          SHA256

          53f78aa69b3fdf639e7c1eeed7024c8e517d3b451e355d64e1439e9ba5b00ecb

          SHA512

          46f1df35668cea72d030a605bf05fccb77e01786dd918bf424eadd8989b27e42ccbd5dfbe28e85a723e1111052fd8bb3fa60460f70eedbbb38c780a49c842d19

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

          Filesize

          7KB

          MD5

          cad20cbee1974ba6441f38acb8752a36

          SHA1

          473ae389aba6dc840d9811b572050a9b44f7d4ff

          SHA256

          9ffe497c8a1e56654c71224952328c7a4d1d241b8ac04a232e5aaa78b53a44b3

          SHA512

          f21dfd44394af3f931f250af4167058813860f46975b7f5d0cdfab5c570091625a45d358dcf67a2a11ae7695a487751882bc1bdca37cbe18f50dc2f6b40532da

        • memory/2604-21-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-25-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2604-31-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2604-29-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2792-6-0x000000000A350000-0x000000000A3D4000-memory.dmp

          Filesize

          528KB

        • memory/2792-1-0x0000000001310000-0x00000000013C4000-memory.dmp

          Filesize

          720KB

        • memory/2792-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

          Filesize

          4KB

        • memory/2792-2-0x0000000074A80000-0x000000007516E000-memory.dmp

          Filesize

          6.9MB

        • memory/2792-3-0x0000000000590000-0x00000000005B2000-memory.dmp

          Filesize

          136KB

        • memory/2792-32-0x0000000074A80000-0x000000007516E000-memory.dmp

          Filesize

          6.9MB

        • memory/2792-5-0x0000000000430000-0x0000000000440000-memory.dmp

          Filesize

          64KB

        • memory/2792-4-0x00000000003D0000-0x00000000003DC000-memory.dmp

          Filesize

          48KB