Overview

overview

10

Static

static

Khosrov Be...rs.exe

windows7_x64

10

Khosrov Be...rs.exe

windows10_x64

10

Analysis

  • max time kernel
    74s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    29-06-2020 19:30

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General

  • Target

    Khosrov Bey-vessel particulars.exe

  • Size

    1.0MB

  • MD5

    6ce5e560acf78916b9d3c1f118737a27

  • SHA1

    a7f02c05b9130c889163313a9fde868f37251ad5

  • SHA256

    1fb309ceacbe3946132ea00e1bc669f3aa93fe2a05fc20afed62067c84b7f887

  • SHA512

    2f4137702f1b591e7abf58f16133092c5ad23820b20d8f44f9ce0d0dd0e984b7eb462e89518ee339bcc9b5063049d4a6cf637aff1c08e42fd50910557575d6bf

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojanupx

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.tpcdel.com
  • Port:
    587
  • Username:
    ecom8@tpcdel.com
  • Password:
    EmlP@2018

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.tpcdel.com
  • Port:
    587
  • Username:
    ecom8@tpcdel.com
  • Password:
    EmlP@2018

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Khosrov Bey-vessel particulars.exe
    "C:\Users\Admin\AppData\Local\Temp\Khosrov Bey-vessel particulars.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Users\Admin\AppData\Local\Temp\Khosrov Bey-vessel particulars.exe
      "C:\Users\Admin\AppData\Local\Temp\Khosrov Bey-vessel particulars.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2336

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2336-0-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

    Download
  • memory/2336-1-0x00000000004AAC90-mapping.dmp
    Download
  • memory/2336-2-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

    Download
  • memory/2336-3-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

    Download
  • memory/2336-4-0x0000000002180000-0x00000000021D0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2336-5-0x00000000022C2000-0x00000000022C3000-memory.dmp
    Filesize

    4KB

    Download