Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 02:20

General

  • Target

    d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe

  • Size

    766KB

  • MD5

    fa362d6eab964c2243f02ee774ed6d90

  • SHA1

    757b55403f5068a7e90930a75ee61cf252595968

  • SHA256

    d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda

  • SHA512

    f3c6e5f11cc4c07027d71f92cd8ba044a5d4e2e62df156d1760fdd31e072ae37b195f2c5d542d877a020c0f07a1f9e9b34974b5674f9f82c0efc29a4599aca25

  • SSDEEP

    12288:v3qyJMMhhprHWwTXdQ2XYTwe5YjDDL3Bm+hLT4noxCYQLP5vw:v6Ot2wTXdQ2XYce5T+xMiCYKP5vw

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe
    "C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe
      "C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe"
      2⤵
        PID:1368
      • C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe
        "C:\Users\Admin\AppData\Local\Temp\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d7d85feb390da925a7f895859050d29e429c812f05f6b5d11546b0b372524fda.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2904-8-0x0000000005E70000-0x0000000005E80000-memory.dmp

      Filesize

      64KB

    • memory/2904-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

      Filesize

      584KB

    • memory/2904-10-0x000000000ABD0000-0x000000000AC6C000-memory.dmp

      Filesize

      624KB

    • memory/2904-9-0x0000000006D00000-0x0000000006D84000-memory.dmp

      Filesize

      528KB

    • memory/2904-5-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-6-0x0000000005E10000-0x0000000005E26000-memory.dmp

      Filesize

      88KB

    • memory/2904-7-0x0000000005E50000-0x0000000005E5E000-memory.dmp

      Filesize

      56KB

    • memory/2904-0-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/2904-1-0x0000000000F20000-0x0000000000FE4000-memory.dmp

      Filesize

      784KB

    • memory/2904-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

      Filesize

      5.6MB

    • memory/2904-4-0x00000000059F0000-0x00000000059FA000-memory.dmp

      Filesize

      40KB

    • memory/2904-14-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-20-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-15-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-16-0x0000000005870000-0x00000000058D6000-memory.dmp

      Filesize

      408KB

    • memory/3204-17-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3204-19-0x0000000006F20000-0x0000000006F70000-memory.dmp

      Filesize

      320KB

    • memory/3204-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB