Overview

overview

10

Static

static

Urgent Enquiry.exe

windows7_x64

10

Urgent Enquiry.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    129s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:16

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General

  • Target

    Urgent Enquiry.exe

  • Size

    406KB

  • MD5

    7a4705e3aeb2f90eb861a9169fb5a731

  • SHA1

    dc6b67d5b0606c9289480e507a0eed92f90c6a8a

  • SHA256

    64ff4868607f7b364f1c83fcbba25a4f954de7682d05d134fc407b4b9af10c0c

  • SHA512

    5d1fabf9a839b8f22b2d3345201fff676731ef7da1d48d4a702383efbf46150f49da472eeb47778abe093fae207a8b06e657212263421000913fa5e59739db0b

Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.drngetu.co.za
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    WNFpR3FOMJ@6

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Urgent Enquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Urgent Enquiry.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HYfBzIjo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7A01.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1836
    • C:\Users\Admin\AppData\Local\Temp\Urgent Enquiry.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:852

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

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

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

  • C:\Users\Admin\AppData\Local\Temp\tmp7A01.tmp
    Filesize

    1KB

    MD5

    6daf0472bc85da3b69571377607c62f7

    SHA1

    a17806f52e2902c3accbb90c140699085c0dc9f4

    SHA256

    e6214b33eb4ae6656741a1251bc5bf3a849bb7a053d12a52f98852ec08f21eb9

    SHA512

    5f39706a3ff748cb27ff2a3e361e740157162e14d0eb56d4653d4bac239ec2a100f282439a73b6de838ec2d2c7bacc6302a9be1dcf4c0925c03e21da9cfdb1f0

    Download Submit
  • memory/852-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-64-0x0000000000446FBE-mapping.dmp
    Download
  • memory/852-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/852-70-0x0000000073F80000-0x000000007452B000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1756-55-0x0000000074530000-0x0000000074ADB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1756-54-0x00000000750C1000-0x00000000750C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1836-56-0x0000000000000000-mapping.dmp
    Download