Analysis

  • max time kernel
    134s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 18:34

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.3512.exe

  • Size

    817KB

  • MD5

    f976242274e3a8b6859f43212321e5cd

  • SHA1

    4de5d552dd1a3a7e2eb57a831d1819ada42b53ae

  • SHA256

    49aa45b9a4eb9642dc458e079196600823bc99b49c9003b4327261ba47b3ae7d

  • SHA512

    de657d8cb7ee401139a414964c333053bc6570e1d29b4125cdc440dc61637b0597ee4c1bb0eafd5a8855727bc6089430e3b80c457c6c5a19ce1ef2f769957b80

  • SSDEEP

    12288:oOvpYqjMN+3gYffB411R77TeB3EqcDFRLJtXsxFXynzw5tkD3twn:3Yqy+t8N7qNEtFRLJtXsxkc5aD9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.obynnehhhan.com
  • Port:
    587
  • Username:
    info2@obynnehhhan.com
  • Password:
    G$MUuYG3

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3512.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3512.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3512.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.3512.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3404

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.3512.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2016-132-0x0000000000C50000-0x0000000000D22000-memory.dmp
    Filesize

    840KB

  • memory/2016-133-0x0000000005BD0000-0x0000000006174000-memory.dmp
    Filesize

    5.6MB

  • memory/2016-134-0x00000000056C0000-0x0000000005752000-memory.dmp
    Filesize

    584KB

  • memory/2016-135-0x0000000005770000-0x000000000577A000-memory.dmp
    Filesize

    40KB

  • memory/2016-136-0x00000000094B0000-0x000000000954C000-memory.dmp
    Filesize

    624KB

  • memory/3404-137-0x0000000000000000-mapping.dmp
  • memory/3404-138-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3404-140-0x00000000067D0000-0x0000000006836000-memory.dmp
    Filesize

    408KB

  • memory/3404-141-0x0000000001900000-0x0000000001950000-memory.dmp
    Filesize

    320KB