Overview

overview

10

Static

static

1

Request fo...on.exe

windows7_x64

10

Request fo...on.exe

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 08:01

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General

  • Target

    Request for quotation.exe

  • Size

    346KB

  • MD5

    eb10234a0a4f57d5b23d17eb663e0a85

  • SHA1

    1dcfa0eaeff6d2891d5708c0598a8a4ee64b3a0a

  • SHA256

    b6ed29e0da8d78835a66a6c4560548e37ae59ab79451429c6d818f8cc43173bd

  • SHA512

    446d1c18b760dac482ca4fcc6ed0f65d34c9267625c1d7d49077116d8c8ddfdb0a60789692f68e18dd7c2996c11cba734c8ead065ea29b9612dcc937845a1547

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1803146213:AAHYyCRx7FggQ9LfPbrIs79ZUWCEc9wNnDo/sendDocument

Signatures

  • AgentTesla

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for quotation.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\Request for quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for quotation.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1208

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

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

  • \Users\Admin\AppData\Local\Temp\nstDF1A.tmp\pvrgshwm.dll
    MD5

    1faaa3ee0a67c6f5162963e363e8faf0

    SHA1

    82c8977e56a1ea9c25ac415defcfb035fa4d0085

    SHA256

    c340dc49b7d2339617ad4d76e3b4ec0483f294068fd1f26382e3833eea085792

    SHA512

    2714fc63ca8244a0940713b2fa593ff6ee8d1e66987a10506304fd3a45cf90a7ea39139a17c2389617f7c607f9d72251ad3bdc8e72b7b1f13f979abec596da1c

    Download Submit
  • memory/1148-55-0x00000000762D1000-0x00000000762D3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1208-57-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1208-58-0x000000000040188B-mapping.dmp
    Download
  • memory/1208-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1208-61-0x0000000001D70000-0x0000000001DA7000-memory.dmp
    Filesize

    220KB

    Download
  • memory/1208-64-0x0000000001DB2000-0x0000000001DB3000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1208-63-0x0000000001DB1000-0x0000000001DB2000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1208-65-0x0000000001DB3000-0x0000000001DB4000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1208-66-0x0000000001DB4000-0x0000000001DB5000-memory.dmp
    Filesize

    4KB

    Download