Overview

overview

10

Static

static

Transfer Form.scr

windows7_x64

10

Transfer Form.scr

windows10_x64

3

Analysis

  • max time kernel
    123s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    08-07-2020 06:46

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General

  • Target

    Transfer Form.scr

  • Size

    959KB

  • MD5

    de18b7e07da179adb8c5c3be4698f2be

  • SHA1

    331e367ccf667e27ccbb253a09e2dd91597811d7

  • SHA256

    d5434b833a6b29c1f83aee2a0c8c5584467e495e452f7e6e676235b7e4870033

  • SHA512

    0f086bf6eafbff463ec6484c80317421f41e3b8b9e5dd62778dbd1f08e59e6bfaacad0c0eeed4d3228984450dbb7fae2fa6430e6a40c10929a14b82691448cb5

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.northwestpowdercoating.co.uk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    C^0z.^LxykTW

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Transfer Form.scr
    "C:\Users\Admin\AppData\Local\Temp\Transfer Form.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XNGJlBsYqshWIX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp783B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1852
    • C:\Users\Admin\AppData\Local\Temp\Transfer Form.scr
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp783B.tmp
    MD5

    3bc57af9ea0a5a6dd156c172ae23501d

    SHA1

    fdbffe58d8f82ae6871ab81f2b0cd6cc3ce95bbe

    SHA256

    adbd50927de854b93cf318c759010dce505a5a4fde7cc723cb0e2089be857f59

    SHA512

    fdb2ab0940ee6f9aa0f1026e0319c0a22bfcb9fd09bd4f62988eac3622edabfa4e0928cefb33530c97819b0bac750672341a723ee343fd63b3aaedbcadd10e7d

    Download Submit
  • memory/1388-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1760-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1760-5-0x0000000000447ABE-mapping.dmp
    Download
  • memory/1760-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1760-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1852-2-0x0000000000000000-mapping.dmp
    Download