Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 12:09

General

  • Target

    Balance payment made.exe

  • Size

    332KB

  • MD5

    719c42cc090147553a6c1579c91b4789

  • SHA1

    f3fea4df3bc34e90501a5b9c413a62184f67ff4f

  • SHA256

    c0f96896bb7e168d46975892f9bafc3358fc769568969ee421e7a0dd51ed899a

  • SHA512

    b1baa052046a238aede67262d716effd5d95fc5c4de9e241a26f31e4a80ce80e50e5d31d40677a817145e52b5418e7a0e992cfd706ce0c17851624f066de94b4

  • SSDEEP

    6144:x5wdIQrN5LW7fl1FtNLscgZwsKQs67yqcJu8eZA4uDT3+dhB:PwmwxW7d1hvgZwXQs6+M8UAjDS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.etiprim.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ETP@habiballah2023

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 3 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe
    "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe
      "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
      2⤵
        PID:1440
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 12
          3⤵
          • Program crash
          PID:3928
      • C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe
        "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
        2⤵
          PID:444
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 80
            3⤵
            • Program crash
            PID:2500
        • C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe
          "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1440 -ip 1440
        1⤵
          PID:2156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 444 -ip 444
          1⤵
            PID:408

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/1440-4-0x0000000000420000-0x0000000000440000-memory.dmp

                  Filesize

                  128KB

                • memory/1700-0-0x00000000747E0000-0x0000000074F90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1700-1-0x0000000000910000-0x0000000000968000-memory.dmp

                  Filesize

                  352KB

                • memory/1700-2-0x0000000005350000-0x0000000005360000-memory.dmp

                  Filesize

                  64KB

                • memory/1700-3-0x0000000002D20000-0x0000000002D21000-memory.dmp

                  Filesize

                  4KB

                • memory/1700-11-0x00000000747E0000-0x0000000074F90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2056-8-0x00000000050B0000-0x00000000050C0000-memory.dmp

                  Filesize

                  64KB

                • memory/2056-7-0x0000000005670000-0x0000000005C14000-memory.dmp

                  Filesize

                  5.6MB

                • memory/2056-6-0x00000000747E0000-0x0000000074F90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2056-10-0x0000000005230000-0x0000000005296000-memory.dmp

                  Filesize

                  408KB

                • memory/2056-5-0x0000000000400000-0x0000000000440000-memory.dmp

                  Filesize

                  256KB

                • memory/2056-12-0x00000000068C0000-0x0000000006910000-memory.dmp

                  Filesize

                  320KB

                • memory/2056-13-0x00000000069B0000-0x0000000006A4C000-memory.dmp

                  Filesize

                  624KB

                • memory/2056-14-0x0000000006AF0000-0x0000000006B82000-memory.dmp

                  Filesize

                  584KB

                • memory/2056-15-0x0000000006A60000-0x0000000006A6A000-memory.dmp

                  Filesize

                  40KB

                • memory/2056-16-0x00000000747E0000-0x0000000074F90000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2056-17-0x00000000050B0000-0x00000000050C0000-memory.dmp

                  Filesize

                  64KB