Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 06:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.21504.exe

  • Size

    690KB

  • MD5

    d5288b1e9b08397e2ac89405c34b749f

  • SHA1

    a6f7a1d5e04a167e5a5ce160094d5da5b89036b2

  • SHA256

    704e5626e3a5c8b1b3dbefbeabca7488e77758c9aed89d0dc7e30d18da1b6bd9

  • SHA512

    df07aa72d2b50b02516d6ddd0659f5931ce930a04e3cabb65d251661c0e09e9688a788ab184084805a5d33aefccc378e91acb9be1b921c6a4169bcbbaef8552e

  • SSDEEP

    12288:b3IU8S6eUdNw9V18pt2FDKXSn6B8SKWRKL2ZIezvJBAhvRlCP5:rItSAdWrqiedtrYLjSxBATw5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.nutiribio.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ATSzdD^8

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
      2⤵
        PID:5008
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.21504.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4824

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.21504.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2776-10-0x0000000007FD0000-0x000000000806C000-memory.dmp

      Filesize

      624KB

    • memory/2776-17-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-9-0x00000000094B0000-0x000000000952A000-memory.dmp

      Filesize

      488KB

    • memory/2776-4-0x0000000005620000-0x0000000005630000-memory.dmp

      Filesize

      64KB

    • memory/2776-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

      Filesize

      40KB

    • memory/2776-6-0x0000000005B10000-0x0000000005B28000-memory.dmp

      Filesize

      96KB

    • memory/2776-7-0x0000000005B30000-0x0000000005B38000-memory.dmp

      Filesize

      32KB

    • memory/2776-8-0x0000000006AA0000-0x0000000006AAA000-memory.dmp

      Filesize

      40KB

    • memory/2776-3-0x0000000005630000-0x00000000056C2000-memory.dmp

      Filesize

      584KB

    • memory/2776-2-0x0000000005B40000-0x00000000060E4000-memory.dmp

      Filesize

      5.6MB

    • memory/2776-1-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-0-0x0000000000B90000-0x0000000000C42000-memory.dmp

      Filesize

      712KB

    • memory/4824-20-0x00000000059D0000-0x00000000059E0000-memory.dmp

      Filesize

      64KB

    • memory/4824-15-0x00000000059D0000-0x00000000059E0000-memory.dmp

      Filesize

      64KB

    • memory/4824-14-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/4824-16-0x0000000005920000-0x0000000005986000-memory.dmp

      Filesize

      408KB

    • memory/4824-18-0x0000000006FD0000-0x0000000007020000-memory.dmp

      Filesize

      320KB

    • memory/4824-19-0x0000000075070000-0x0000000075820000-memory.dmp

      Filesize

      7.7MB

    • memory/4824-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB