Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 17:40

General

  • Target

    Quotation - HDPE Fittings.exe

  • Size

    667KB

  • MD5

    10f4c53cf6490bcf1f1cf0f3a88250de

  • SHA1

    4e9d7fd3c9651c205f72a6c696c656e7ae84a9d8

  • SHA256

    af83c0d8ccb38c430dce3b0c4a18eeda3c91832ae8bb432a9614619fd5727e7b

  • SHA512

    24b71b5339000c364858c137a7955cd7b464466da658ccb44c3659bedc55dcab89c185ceeb2bc5debd42d0e34ffd01f0f81d761c6a22e11dbc70bdd7786f30d5

  • SSDEEP

    12288:JBLK1sKjd9+wrOGCZ8SBvAxi/MgUd7YN0hMJqGcIlHI16CDYWEVy4Zw13vHruup:JBisKjdTOGu8SVIsmqaM7lHw6COtw1fr

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K@fYQ*o1

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation - HDPE Fittings.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation - HDPE Fittings.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\Quotation - HDPE Fittings.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation - HDPE Fittings.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460

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\Quotation - HDPE Fittings.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2460-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2460-18-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/2460-17-0x0000000006350000-0x00000000063A0000-memory.dmp
    Filesize

    320KB

  • memory/2460-16-0x00000000056E0000-0x0000000005746000-memory.dmp
    Filesize

    408KB

  • memory/2460-15-0x0000000005660000-0x0000000005670000-memory.dmp
    Filesize

    64KB

  • memory/2460-13-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/4588-8-0x0000000006180000-0x0000000006202000-memory.dmp
    Filesize

    520KB

  • memory/4588-1-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/4588-9-0x00000000087B0000-0x000000000884C000-memory.dmp
    Filesize

    624KB

  • memory/4588-7-0x0000000004DE0000-0x0000000004DEC000-memory.dmp
    Filesize

    48KB

  • memory/4588-6-0x0000000004DB0000-0x0000000004DCA000-memory.dmp
    Filesize

    104KB

  • memory/4588-14-0x0000000074ED0000-0x0000000075680000-memory.dmp
    Filesize

    7.7MB

  • memory/4588-5-0x0000000004B20000-0x0000000004B2A000-memory.dmp
    Filesize

    40KB

  • memory/4588-4-0x0000000004AF0000-0x0000000004B00000-memory.dmp
    Filesize

    64KB

  • memory/4588-3-0x0000000004BB0000-0x0000000004C42000-memory.dmp
    Filesize

    584KB

  • memory/4588-2-0x0000000005160000-0x0000000005704000-memory.dmp
    Filesize

    5.6MB

  • memory/4588-0-0x00000000001C0000-0x000000000026E000-memory.dmp
    Filesize

    696KB