Analysis

  • max time kernel
    59s
  • max time network
    102s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:55

General

  • Target

    SecuriteInfo.com.Trojan.Siggen9.47097.1482.12593.exe

  • Size

    479KB

  • MD5

    65e9b0b079f9a157dc0b069705b4c9b4

  • SHA1

    df3672e10800f9b3b418042c21b7379e32789862

  • SHA256

    2435735bff63b11f82baaafe0737904c936b420f5145d01609a0a0d8c8ce70c9

  • SHA512

    ca5ce6fb878587407a2bf3b4956d05cf21cf24f3cea66a73a37daa362c2f2e5fdfecaf9b7b8610d0c7284642bced56036c28a7f2f16ccabfdbc27e845bba6185

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.newvenna121llc.com
  • Port:
    587
  • Username:
    info@newvenna121llc.com
  • Password:
    fardin09123405057

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.newvenna121llc.com
  • Port:
    587
  • Username:
    info@newvenna121llc.com
  • Password:
    fardin09123405057

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.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.47097.1482.12593.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.47097.1482.12593.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OOHzPYNvODDiTZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F2B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:820
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
        3⤵
        • Modifies registry key
        PID:1204
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1412

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6F2B.tmp
      MD5

      0ade94552511414d5a71b51e87a6a61f

      SHA1

      7fb6f5a50ee6ae75572fb4f0035bc290b4cb9853

      SHA256

      423f4a86493f30b131f49345132d90709840867c6a8d98a36b424995496b2d78

      SHA512

      beca0288722d1f4dba719e85b7bf47924c54858a9b2d9fe9aa5cf08a92e2fb57cb1117a2532358d056fff1a9c547ac41f6cb191bc49f3253ae6435ee992712c1

    • memory/820-0-0x0000000000000000-mapping.dmp
    • memory/1204-4-0x0000000000000000-mapping.dmp
    • memory/1412-5-0x0000000000000000-mapping.dmp
    • memory/3316-2-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/3316-3-0x000000000044CD7E-mapping.dmp