Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 16:21

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe

  • Size

    704KB

  • MD5

    a576153b3c74a904b1f8f45092615859

  • SHA1

    7f6b01f1271c4138a4f8bf38e9543afc0cfca582

  • SHA256

    e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75

  • SHA512

    5502f1718cdacb8d21588c974955967fa56bdb1ed12e4618f3b159c1a3a514cc507a325bb67776b323c3e43c740c945111584fb9c1ada3a9a6ff39f2dffe8d69

  • SSDEEP

    12288:WEjuxvGmhyeQsIVTTcagHHG5N4MAHKGiOgHos2VAiOji8wuQ5nH:dmQeQ1VTTh6MAZ4oscghwT5n

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.29741.10451.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hUHGAJnhSxVB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hUHGAJnhSxVB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A02.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3044
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5A02.tmp

    Filesize

    1KB

    MD5

    774aa9780efa7b22dc10b223df6a7807

    SHA1

    e4b456119d987bd23cf824a85295929550bf4287

    SHA256

    2d5d49256fe770447fab20d04ba2e516379f6c43e26bceb7567e53ab4182bc55

    SHA512

    a75c201c0cd4065b8ed3fe7d42acc4041b2a19477d284ad479bda34d76b181a7252bbfd1f33809614284c5f80e97a35b874ed66b1efdb7815d52c9c671e17661

  • memory/2360-22-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-0-0x0000000000FD0000-0x0000000001086000-memory.dmp

    Filesize

    728KB

  • memory/2360-2-0x0000000004F20000-0x0000000004F60000-memory.dmp

    Filesize

    256KB

  • memory/2360-3-0x0000000000240000-0x000000000025A000-memory.dmp

    Filesize

    104KB

  • memory/2360-4-0x0000000000410000-0x0000000000418000-memory.dmp

    Filesize

    32KB

  • memory/2360-5-0x0000000000530000-0x000000000053A000-memory.dmp

    Filesize

    40KB

  • memory/2360-6-0x0000000005120000-0x000000000519E000-memory.dmp

    Filesize

    504KB

  • memory/2360-33-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-1-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-35-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-40-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/2580-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-39-0x0000000074980000-0x000000007506E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-36-0x0000000004A20000-0x0000000004A60000-memory.dmp

    Filesize

    256KB

  • memory/2580-34-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2580-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2744-37-0x000000006ED40000-0x000000006F2EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-24-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB

  • memory/2744-18-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB

  • memory/2744-14-0x000000006ED40000-0x000000006F2EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-16-0x000000006ED40000-0x000000006F2EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2744-20-0x0000000002DA0000-0x0000000002DE0000-memory.dmp

    Filesize

    256KB