Overview

overview

10

Static

static

DHL Express pdf.exe

windows7_x64

10

DHL Express pdf.exe

windows10_x64

10

Analysis

  • max time kernel
    74s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    29-06-2020 18:02

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General

  • Target

    DHL Express pdf.exe

  • Size

    436KB

  • MD5

    9e2b8bdcaf7c4fe1cef26ec38f1dcc1d

  • SHA1

    b32d0d960fc717a090a0796ffc3f6541524dd7ec

  • SHA256

    bd87e6517c03baa349072568a55eadd6baab262985b09833b104119c7d47c883

  • SHA512

    4724c69c8b56fd516b51f5bafc361e179445448b5460e1fc9fed349025daafd6c653c8f43343b01859e9bb5f406142189e7ea5d634f20ae1bee0d2c498f1915a

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    lu.baorong@ivqspa.com
  • Password:
    HEoxefZ9

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL Express pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Express pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bockcLGwoRdUL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88CE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1424
    • C:\Users\Admin\AppData\Local\Temp\DHL Express pdf.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

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\tmp88CE.tmp
    MD5

    9bd070db6ac394fac6fe821b05fff19d

    SHA1

    74a048dc48570722bb8319670f599d44d2e62f91

    SHA256

    e20a041d16c236570fa70a1028aabf70e1dc54f6fca5a2b30b76fc2846699309

    SHA512

    34b42a0aef850faccb618e712377a23fc3a1697252a752056acc4ca6308516bc625592e261c5b0ff4db631e350a5ed4dd40db8d20246d40957beb8b2aa6b7022

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  • memory/1424-0-0x0000000000000000-mapping.dmp
    Download
  • memory/1640-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1640-3-0x000000000044795E-mapping.dmp
    Download
  • memory/1640-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1640-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download