Analysis

  • max time kernel
    119s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 02:25

General

  • Target

    73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe

  • Size

    674KB

  • MD5

    90842fb1307b60fef589421dbecf0670

  • SHA1

    b1b60231e3d1eadd2ad214b22e915b91fe88e72a

  • SHA256

    73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0

  • SHA512

    5cd0020157289e8b5a47be2467c7376abff50280dc86a77d34f60967dd9c836ab5529d71f021800f644829616cb744f513e533e62a721c4eae550f93711184e5

  • SSDEEP

    12288:jCEbJGICDVhbbdSRzoL0bVXQ7cJcl8qIWq+n5zHWLIIircpuaN:DbJ4bIzI0BX0OcbhHWcA

Malware Config

Extracted

Credentials

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe
    "C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe
      "C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe"
      2⤵
        PID:4216
      • C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe
        "C:\Users\Admin\AppData\Local\Temp\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\73577aac96eac7334ba21e0c3324ab5edec6eb933b96c37a58c8fa9cdbb948a0.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/212-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/212-20-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB

    • memory/212-19-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/212-18-0x0000000006EF0000-0x0000000006F40000-memory.dmp

      Filesize

      320KB

    • memory/212-17-0x00000000059C0000-0x0000000005A26000-memory.dmp

      Filesize

      408KB

    • memory/212-15-0x0000000005A80000-0x0000000005A90000-memory.dmp

      Filesize

      64KB

    • memory/212-14-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-5-0x00000000053B0000-0x00000000053BA000-memory.dmp

      Filesize

      40KB

    • memory/2268-9-0x00000000069E0000-0x0000000006A5A000-memory.dmp

      Filesize

      488KB

    • memory/2268-10-0x0000000009230000-0x00000000092CC000-memory.dmp

      Filesize

      624KB

    • memory/2268-8-0x00000000059E0000-0x00000000059EA000-memory.dmp

      Filesize

      40KB

    • memory/2268-7-0x00000000059F0000-0x00000000059F8000-memory.dmp

      Filesize

      32KB

    • memory/2268-6-0x00000000055D0000-0x00000000055E6000-memory.dmp

      Filesize

      88KB

    • memory/2268-16-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-4-0x00000000053E0000-0x00000000053F0000-memory.dmp

      Filesize

      64KB

    • memory/2268-3-0x0000000005490000-0x0000000005522000-memory.dmp

      Filesize

      584KB

    • memory/2268-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

      Filesize

      5.6MB

    • memory/2268-0-0x0000000000A70000-0x0000000000B1E000-memory.dmp

      Filesize

      696KB