Overview

overview

10

Static

static

Shipping D...oc.exe

windows7_x64

10

Shipping D...oc.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    166s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:44

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General

  • Target

    Shipping Documents.doc.exe

  • Size

    609KB

  • MD5

    3cf0389affb5ba328147fed52b2c036a

  • SHA1

    479be8033a988e1bd41a5d3d2f97c921a76484f3

  • SHA256

    53a05748df93fa8c44d170d47a1abd61ec9ec27980867c7cb87d3d9841f70ccf

  • SHA512

    f14d760fb95e1b78284afd588ce887fe11dd68dcf0819055e865c2e628d47cd18ef72f900d82b5148954377a9edbeb7931fcf49911283b0948bed56b36f0dd96

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.coffiices.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    E5%lCvZ{l[6FG

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 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
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.doc.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1208
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:3076

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

2
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/1208-135-0x0000000000000000-mapping.dmp
    Download
  • memory/1208-136-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1208-137-0x0000000005AB0000-0x0000000005B16000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1208-138-0x0000000006920000-0x0000000006970000-memory.dmp
    Filesize

    320KB

    Download
  • memory/1536-130-0x00000000000D0000-0x000000000016E000-memory.dmp
    Filesize

    632KB

    Download
  • memory/1536-131-0x0000000005030000-0x00000000055D4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1536-132-0x00000000049D0000-0x0000000004A62000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1536-133-0x0000000004B70000-0x0000000004B7A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1536-134-0x0000000008450000-0x00000000084EC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3076-139-0x0000000000000000-mapping.dmp
    Download