Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 01:07

General

  • Target

    42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe

  • Size

    668KB

  • MD5

    1af5b16224f32acdb6f6b6ec72f8bbe4

  • SHA1

    4e8005f6484d1aa34e737cddf167a6d9f3a36ecc

  • SHA256

    42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d

  • SHA512

    2b810a501905ce42aacc500f3d590d1db344490cf69904ba7527bd56351bc63b1563217ad48d6a35afae1fcd80cf42e1231a9af5565866e6d2526f8d469922dd

  • SSDEEP

    12288:Ui0YOwqpKtIEWNKO/ZYcNYAVMZ70OPtCHme2oNGHKqoylx9:tO7p42WcJed7CHvlMqxQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
    "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
      "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
      2⤵
        PID:640
      • C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
        "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
        2⤵
          PID:516
        • C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe
          "C:\Users\Admin\AppData\Local\Temp\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1792

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\42507b45f4cc3ac0dd1bc6ba841fee90c67a8617a740b1f7a0725b55ce99c49d.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1356-8-0x0000000006B70000-0x0000000006BF2000-memory.dmp
        Filesize

        520KB

      • memory/1356-3-0x0000000005530000-0x00000000055C2000-memory.dmp
        Filesize

        584KB

      • memory/1356-9-0x00000000091B0000-0x000000000924C000-memory.dmp
        Filesize

        624KB

      • memory/1356-0-0x0000000000A40000-0x0000000000AEE000-memory.dmp
        Filesize

        696KB

      • memory/1356-4-0x0000000005500000-0x0000000005510000-memory.dmp
        Filesize

        64KB

      • memory/1356-6-0x0000000005A90000-0x0000000005AAA000-memory.dmp
        Filesize

        104KB

      • memory/1356-7-0x0000000006690000-0x000000000669C000-memory.dmp
        Filesize

        48KB

      • memory/1356-1-0x0000000075200000-0x00000000759B0000-memory.dmp
        Filesize

        7.7MB

      • memory/1356-14-0x0000000075200000-0x00000000759B0000-memory.dmp
        Filesize

        7.7MB

      • memory/1356-2-0x0000000005AE0000-0x0000000006084000-memory.dmp
        Filesize

        5.6MB

      • memory/1356-5-0x00000000054D0000-0x00000000054DA000-memory.dmp
        Filesize

        40KB

      • memory/1792-13-0x0000000075200000-0x00000000759B0000-memory.dmp
        Filesize

        7.7MB

      • memory/1792-19-0x0000000005790000-0x00000000057A0000-memory.dmp
        Filesize

        64KB

      • memory/1792-15-0x0000000005790000-0x00000000057A0000-memory.dmp
        Filesize

        64KB

      • memory/1792-16-0x0000000005950000-0x00000000059B6000-memory.dmp
        Filesize

        408KB

      • memory/1792-17-0x00000000065D0000-0x0000000006620000-memory.dmp
        Filesize

        320KB

      • memory/1792-18-0x0000000075200000-0x00000000759B0000-memory.dmp
        Filesize

        7.7MB

      • memory/1792-10-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB