Overview

overview

10

Static

static

gw3sbbiu.dun.exe

windows7_x64

10

gw3sbbiu.dun.exe

windows10-2004_x64

1

Analysis

  • max time kernel
    120s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:03

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General

  • Target

    gw3sbbiu.dun.exe

  • Size

    341KB

  • MD5

    5a14ecb86c759a98f4ed84147eef1173

  • SHA1

    17149248793858899a5b177791226d91dd55c0b6

  • SHA256

    d6003d92bb4afadbc8ee04fc35c1e3238c2bbc1ca06fecbb19b8b72c1372cc5a

  • SHA512

    4e5a6c2a3e49229e0f8c0869f1f499e13e47939422e001804c160982e5b0ffcbc968966b88131521dc7c6afffde752472f66cc2cf29ed75228e091169238851b

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.askon.co.id
  • Port:
    587
  • Username:
    ratna@askon.co.id
  • Password:
    r4tn41226

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gw3sbbiu.dun.exe
    "C:\Users\Admin\AppData\Local\Temp\gw3sbbiu.dun.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\gw3sbbiu.dun.exe
      "C:\Users\Admin\AppData\Local\Temp\gw3sbbiu.dun.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1968

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1644-54-0x0000000000C00000-0x0000000000C5C000-memory.dmp
    Filesize

    368KB

    Download
  • memory/1644-55-0x0000000000280000-0x0000000000288000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1644-56-0x00000000003C0000-0x0000000000400000-memory.dmp
    Filesize

    256KB

    Download
  • memory/1644-57-0x0000000076781000-0x0000000076783000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1644-58-0x00000000002A0000-0x00000000002B6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1644-59-0x0000000000540000-0x0000000000548000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1968-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-66-0x000000000044702E-mapping.dmp
    Download
  • memory/1968-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1968-70-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download