Overview

overview

10

Static

static

Norstar Ba...88.exe

windows7_x64

10

Norstar Ba...88.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    124s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:26

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General

  • Target

    Norstar Baltic - Q88.exe

  • Size

    720KB

  • MD5

    09e36a44827320de0eb19fc0b1a91f61

  • SHA1

    6c5c259788e531ca18fabcd5c3ed9db3f9ed8600

  • SHA256

    f5a3632e4dc565def5e2a0e015931fd3bca1c19e1045044429bbe3912422e32b

  • SHA512

    7a6c42a9c65cf7d8bfa5540824db07dd6cf125f85afc34833fa39cca63ac6783b06fe1ee26a2ddb0a3768c5a60b979b3719fa70d98906190ca56961c1d8525af

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.maihyundai.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    isla44332211

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe
    "C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:660

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

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/660-134-0x0000000000000000-mapping.dmp
    Download
  • memory/660-135-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/660-136-0x00000000062E0000-0x0000000006346000-memory.dmp
    Filesize

    408KB

    Download
  • memory/660-137-0x0000000006800000-0x0000000006850000-memory.dmp
    Filesize

    320KB

    Download
  • memory/660-138-0x0000000006B90000-0x0000000006B9A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2380-130-0x00000000001D0000-0x000000000028A000-memory.dmp
    Filesize

    744KB

    Download
  • memory/2380-131-0x0000000005270000-0x0000000005814000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2380-132-0x0000000004CC0000-0x0000000004D52000-memory.dmp
    Filesize

    584KB

    Download
  • memory/2380-133-0x0000000005820000-0x00000000058BC000-memory.dmp
    Filesize

    624KB

    Download