Analysis

  • max time kernel
    152s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    15-09-2021 06:26

General

  • Target

    Swift Copy.exe

  • Size

    797KB

  • MD5

    f4e3db4de0dfb56c9ce9a90a597914ad

  • SHA1

    f14504642cff022e5edb1709bff3ba799f683c24

  • SHA256

    7fcc227a274b3d5e1490799223181c246178a676b12de3c1c59d6a5d675febb7

  • SHA512

    c5914f96debcecf426467a708ddd03e73e635d11c66aad9a7460c60a08f50e6aeed0d5ca7401527380c861ab398ca400b3d5622bf0c3b16acdf5427e03572269

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.diva-italia.com
  • Port:
    587
  • Username:
    info@diva-italia.com
  • Password:
    rr.@%5LjgLz7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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:748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JNZVRO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6864.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:472
    • C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
      "{path}"
      2⤵
        PID:556
      • C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
        "{path}"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:568
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 388
          3⤵
          • Suspicious behavior: GetForegroundWindowSpam
          PID:1876

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6864.tmp
      MD5

      4f1b0895d3c135157922564a0c909a67

      SHA1

      52152d2e4b76bf5df7ca8aa32e685b00a449d083

      SHA256

      094942089ec6da5a57bb02293be0dfb78fcc632a3dfe5e45894c4417c06a3511

      SHA512

      eed7c3ffcbb10d609720389098139832a0e0249b08832d7bb0974cae1d0d24a45a12f24d6a7a36fd39156b701f6fc1abfc01a1e38a19ca442a76d795ea506b49

    • memory/472-63-0x0000000000000000-mapping.dmp
    • memory/568-66-0x000000000043761E-mapping.dmp
    • memory/568-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/568-69-0x00000000021E0000-0x00000000021E1000-memory.dmp
      Filesize

      4KB

    • memory/748-60-0x0000000075451000-0x0000000075453000-memory.dmp
      Filesize

      8KB

    • memory/748-61-0x00000000007D0000-0x00000000007D1000-memory.dmp
      Filesize

      4KB

    • memory/748-62-0x00000000007D1000-0x00000000007D2000-memory.dmp
      Filesize

      4KB

    • memory/1876-68-0x0000000000000000-mapping.dmp
    • memory/1876-71-0x0000000002800000-0x0000000002801000-memory.dmp
      Filesize

      4KB