Overview

overview

10

Static

static

Quotation ...df.exe

windows7_x64

10

Quotation ...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    104s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:37

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General

  • Target

    Quotation TT202008002,pdf.exe

  • Size

    836KB

  • MD5

    5a31407b199329baf9f3cc86c7bb443e

  • SHA1

    4be1093ddefcc1dec0d9c9f92f8d94c333456288

  • SHA256

    04bc203b9c68d45a74189f7a7bc180fe4fe0304583fae10dee4b036a66e54437

  • SHA512

    1576b4c5a962bed8fffd04b26c783982f0552dbd6cdb6e57d1d52655d9ea4055965c9ec93417ed797fca9a4c63f6b26bd19e1011780dd8c02ced1270716c81c4

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.1and1.mx
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mare1##007

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
  • 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 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\Quotation TT202008002,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation TT202008002,pdf.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BjYygepcqwSr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:904
    • C:\Users\Admin\AppData\Local\Temp\Quotation TT202008002,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation TT202008002,pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:756

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

Virtualization/Sandbox Evasion

2
T1497

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\tmpAEA.tmp
    Filesize

    1KB

    MD5

    10023e1926fe78aef15721ecc576bbe4

    SHA1

    68b90f8ac376e9779e345ea18656bc1226827a44

    SHA256

    8de93481eaf742b4be19185ae8c2700145d0f4c6f82b8c00ff74bf80ec8b2a3e

    SHA512

    fcfada34368602171a6cc78d0f3a10042fa19a9821f3ab5c5c326d9c56fa66a2fd2ec6b58065a19d108867af075ae38ceb910a5201fbee91a41a8bf6d2999586

    Download Submit
  • memory/756-64-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-66-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-71-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-69-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-67-0x00000000004610CE-mapping.dmp
    Download
  • memory/756-65-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-61-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/756-62-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

    Download
  • memory/904-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1936-54-0x0000000000B10000-0x0000000000BE6000-memory.dmp
    Filesize

    856KB

    Download
  • memory/1936-55-0x00000000757C1000-0x00000000757C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1936-56-0x0000000000500000-0x0000000000510000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1936-58-0x00000000053B0000-0x0000000005426000-memory.dmp
    Filesize

    472KB

    Download
  • memory/1936-57-0x00000000051F0000-0x0000000005286000-memory.dmp
    Filesize

    600KB

    Download