Analysis

  • max time kernel
    121s
  • max time network
    151s
  • 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 09:20

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.4898.exe

  • Size

    612KB

  • MD5

    7c136f72ed32e4ea0265922ba6308b0b

  • SHA1

    aa09251be76828379f94f71366c9b2310cca8670

  • SHA256

    1c1ffe1a97f66ee3f36058ba41beda34fe52b2a4ff3e10dbf487d3ead8ca8432

  • SHA512

    a1da550da0ee6ec1132bc619dd3891a48764b965b9a6337d4c4ea56ab36d4bfbe687f2003105a647b878abcc5275d1876324e06d14a0b35d33d68c7286216430

  • SSDEEP

    12288:63IU8S6eUdL0s4KmzUVaEUdtwP6tqWzBDsIt1EEUGGC3tUAY:QItSAdL0kZcdc6971EEa6t

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 4 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.4898.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
      2⤵
        PID:5044
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.4898.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2544

    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.4898.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2544-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2544-20-0x00000000054B0000-0x00000000054C0000-memory.dmp

      Filesize

      64KB

    • memory/2544-19-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-18-0x0000000006E80000-0x0000000006ED0000-memory.dmp

      Filesize

      320KB

    • memory/2544-14-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-17-0x0000000005590000-0x00000000055F6000-memory.dmp

      Filesize

      408KB

    • memory/2544-16-0x00000000054B0000-0x00000000054C0000-memory.dmp

      Filesize

      64KB

    • memory/3236-10-0x00000000081A0000-0x000000000823C000-memory.dmp

      Filesize

      624KB

    • memory/3236-9-0x0000000009470000-0x00000000094EA000-memory.dmp

      Filesize

      488KB

    • memory/3236-0-0x0000000000E10000-0x0000000000EB0000-memory.dmp

      Filesize

      640KB

    • memory/3236-8-0x0000000006A10000-0x0000000006A1A000-memory.dmp

      Filesize

      40KB

    • memory/3236-7-0x0000000005950000-0x0000000005958000-memory.dmp

      Filesize

      32KB

    • memory/3236-6-0x0000000005930000-0x0000000005948000-memory.dmp

      Filesize

      96KB

    • memory/3236-5-0x0000000005840000-0x000000000584A000-memory.dmp

      Filesize

      40KB

    • memory/3236-15-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB

    • memory/3236-4-0x0000000005960000-0x0000000005970000-memory.dmp

      Filesize

      64KB

    • memory/3236-3-0x0000000005750000-0x00000000057E2000-memory.dmp

      Filesize

      584KB

    • memory/3236-2-0x0000000005E60000-0x0000000006404000-memory.dmp

      Filesize

      5.6MB

    • memory/3236-1-0x0000000075170000-0x0000000075920000-memory.dmp

      Filesize

      7.7MB