Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2024, 19:23

General

  • Target

    Swift copy.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).

  • Scheduled Task/Job: Scheduled Task 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\Swift copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1504
    • 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\Swift copy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • 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:2804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BThrvPseKTe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4598.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Users\Admin\AppData\Local\Temp\Swift copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift copy.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp4598.tmp

          Filesize

          1KB

          MD5

          062492708f3ac3adcddcbd3cb87f2ec2

          SHA1

          e00d1ac23640e9bb5bfd3b2582f859b84c5d7188

          SHA256

          5366d3480eb9055acf58f7a775b2a0ca604f1b4a27a7c6aff7b13f759cd6f474

          SHA512

          e323a84ee244d3b12ebbafc5acc6a7e13a26766ea95e722f3dfe80170fa083e6c351867f69503250b8de9f52f7d30d27d06616a13bcd6e9c3205f12f9036caab

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\23PK587LFNA7K4NURULT.temp

          Filesize

          7KB

          MD5

          192678d592b01c1456d1057556f9c342

          SHA1

          4c74b49e11292daae2e0d63ef28ff828d76ad0d8

          SHA256

          56e641a26c3240800d40bea7a420d24c88850e355604f57733b92e0218b50ad8

          SHA512

          3ca056d80839953d6bd5e0a4f558dda828a1ee8ac6a0af68a76d9a80c52d7954a4c5917568aa90dc8bce29962845e3d9da01223630e8d3468051424846267261

        • memory/1504-4-0x0000000000360000-0x000000000036C000-memory.dmp

          Filesize

          48KB

        • memory/1504-32-0x0000000074940000-0x000000007502E000-memory.dmp

          Filesize

          6.9MB

        • memory/1504-0-0x000000007494E000-0x000000007494F000-memory.dmp

          Filesize

          4KB

        • memory/1504-5-0x0000000000590000-0x00000000005A0000-memory.dmp

          Filesize

          64KB

        • memory/1504-6-0x0000000004CD0000-0x0000000004D54000-memory.dmp

          Filesize

          528KB

        • memory/1504-2-0x0000000074940000-0x000000007502E000-memory.dmp

          Filesize

          6.9MB

        • memory/1504-1-0x0000000000860000-0x0000000000914000-memory.dmp

          Filesize

          720KB

        • memory/1504-3-0x0000000000420000-0x0000000000442000-memory.dmp

          Filesize

          136KB

        • memory/2512-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-31-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-29-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2512-19-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2512-21-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB