Analysis

  • max time kernel
    62s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2023 13:11

General

  • Target

    TT Copy.exe

  • Size

    678KB

  • MD5

    49b64e415d7d80099fe079b57879e930

  • SHA1

    202495e27168431afd0ce4e57eeca037acd784fd

  • SHA256

    5ee727653b9e6ded021959d91650e3d23c1586b14ed1d22d84c8b3cd5f7e634a

  • SHA512

    72479984aaa3b97c701bd97f5ceba2de9bc4fce17b95cfbe27719dd44569a4fdd8d3771a367941370abd4fd9bd7d1008d24c278f72ed827bc929406508ad7924

  • SSDEEP

    12288:+eJ/sIU9Thtw2th1kfQe4fiGL0c4dwuS3iQRpS2Z5RzG1edBSj81tVimOMt+E:SHwqh1kIev40c43AiQ22zRzG8dA8imX

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rapidcheckng.com
  • Port:
    587
  • Username:
    rapidcheck@rapidcheckng.com
  • Password:
    @Rapidcheckng#
  • Email To:
    ebukafale2@gmail.com

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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). 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\TT Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YmqxAO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YmqxAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC4A7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1800

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

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC4A7.tmp
    Filesize

    1KB

    MD5

    96156c94e64cd88a2d043a9093e3aa1c

    SHA1

    e8ed14f4b580a5965400b9669cac825f921d6397

    SHA256

    d9dc3ea9287ea7614bf38e45bb8094b368ccddd1a75f5bc616ee7af95b2433c0

    SHA512

    7fe1a34eed0721a27294b71f5270eb5a3b3e5a5192e45d3b2a3be496b16cb2709f95130cfbcba2964b8ed792187a575ac1be3a2d13e945724be1ee47a02f3b23

  • memory/1732-83-0x00000000026F0000-0x0000000002730000-memory.dmp
    Filesize

    256KB

  • memory/1732-84-0x00000000026F0000-0x0000000002730000-memory.dmp
    Filesize

    256KB

  • memory/1800-75-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-73-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-82-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-80-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/1800-78-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-76-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1800-74-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1964-62-0x0000000000450000-0x000000000045C000-memory.dmp
    Filesize

    48KB

  • memory/1964-72-0x0000000000DA0000-0x0000000000DD2000-memory.dmp
    Filesize

    200KB

  • memory/1964-69-0x0000000004B40000-0x0000000004B80000-memory.dmp
    Filesize

    256KB

  • memory/1964-56-0x0000000000420000-0x000000000042A000-memory.dmp
    Filesize

    40KB

  • memory/1964-54-0x0000000000E00000-0x0000000000EAE000-memory.dmp
    Filesize

    696KB

  • memory/1964-63-0x0000000005A60000-0x0000000005AD6000-memory.dmp
    Filesize

    472KB

  • memory/1964-58-0x0000000004B40000-0x0000000004B80000-memory.dmp
    Filesize

    256KB

  • memory/1964-61-0x0000000004B40000-0x0000000004B80000-memory.dmp
    Filesize

    256KB

  • memory/1964-60-0x0000000004B40000-0x0000000004B80000-memory.dmp
    Filesize

    256KB

  • memory/1964-59-0x0000000000440000-0x000000000044E000-memory.dmp
    Filesize

    56KB

  • memory/1964-57-0x0000000000420000-0x000000000042A000-memory.dmp
    Filesize

    40KB

  • memory/1964-55-0x0000000004B40000-0x0000000004B80000-memory.dmp
    Filesize

    256KB