Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 10:41

General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.26533.9243.exe

  • Size

    665KB

  • MD5

    f8386a9d4a69ae5af9d907411b09d117

  • SHA1

    000110cf3ba7402e20ff49c0a71d0f028d5bc532

  • SHA256

    2e62ccab66721d06ed86a11e1fb8e2207f440529a148efcb866b29f2382d12c3

  • SHA512

    03e219062255de66ae75ae646127630f536c24411cbd8b18e7fe87033be86b7bee2296890a78e305279270f0033efb33b6531f04aa1d2c9c567d8b69128808a9

  • SSDEEP

    12288:k1Xi0C0eEnPRodr19cRdSysNtn65BPpV1cK0Lnq8nloGkamiPk:L0/PSdr1mH/sL63PD14LnqENm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.indusun.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    235@Indus

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.26533.9243.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.26533.9243.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.26533.9243.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.26533.9243.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:116

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.RATX-gen.26533.9243.exe.log

    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • memory/116-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/116-22-0x0000000005200000-0x0000000005210000-memory.dmp

    Filesize

    64KB

  • memory/116-21-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/116-20-0x00000000066C0000-0x0000000006710000-memory.dmp

    Filesize

    320KB

  • memory/116-17-0x0000000005150000-0x00000000051B6000-memory.dmp

    Filesize

    408KB

  • memory/116-18-0x0000000005200000-0x0000000005210000-memory.dmp

    Filesize

    64KB

  • memory/116-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/2692-10-0x0000000006910000-0x000000000698C000-memory.dmp

    Filesize

    496KB

  • memory/2692-9-0x0000000005400000-0x000000000540C000-memory.dmp

    Filesize

    48KB

  • memory/2692-0-0x00000000002F0000-0x000000000039C000-memory.dmp

    Filesize

    688KB

  • memory/2692-11-0x0000000008F80000-0x000000000901C000-memory.dmp

    Filesize

    624KB

  • memory/2692-8-0x00000000053D0000-0x00000000053D8000-memory.dmp

    Filesize

    32KB

  • memory/2692-7-0x0000000004FB0000-0x0000000004FC8000-memory.dmp

    Filesize

    96KB

  • memory/2692-6-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

    Filesize

    40KB

  • memory/2692-15-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/2692-5-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/2692-4-0x0000000004FF0000-0x0000000005344000-memory.dmp

    Filesize

    3.3MB

  • memory/2692-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/2692-2-0x0000000005420000-0x00000000059C4000-memory.dmp

    Filesize

    5.6MB

  • memory/2692-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB