Overview

overview

10

Static

static

76756-WONF...F3.exe

windows7_x64

10

76756-WONF...F3.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:17

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General

  • Target

    76756-WONFT4-BTO-889769-F3.exe

  • Size

    498KB

  • MD5

    6daae5b0328031444500a871282913f0

  • SHA1

    0e5cdd30b247a0147697bb8d0a9d102b15940e20

  • SHA256

    f638bb071b2875d5a6c3fb4903087ad419331fad2d64f88d9a207f0e39bec984

  • SHA512

    e739f18462ecce3cf8b9538ce6e73ca21ce8b63278db00e446602ba876ea7d76c81e600e3dbc63097a6323750118ec393cd18f3af8be87c1e6d66c16a8156d44

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    08037112075

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    08037112075

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76756-WONFT4-BTO-889769-F3.exe
    "C:\Users\Admin\AppData\Local\Temp\76756-WONFT4-BTO-889769-F3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\76756-WONFT4-BTO-889769-F3.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\76756-WONFT4-BTO-889769-F3.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • memory/1148-130-0x00000000002D0000-0x0000000000352000-memory.dmp
    Filesize

    520KB

    Download
  • memory/1148-131-0x0000000005340000-0x00000000058E4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1148-132-0x0000000004D90000-0x0000000004E22000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1148-133-0x0000000004D00000-0x0000000004D0A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1148-134-0x00000000085C0000-0x000000000865C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/2160-135-0x0000000000000000-mapping.dmp
    Download
  • memory/2160-136-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2160-138-0x0000000006560000-0x00000000065C6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2160-139-0x0000000006EE0000-0x0000000006F30000-memory.dmp
    Filesize

    320KB

    Download