Overview

overview

10

Static

static

b2fK6CUY7ZOdPkM.exe

windows7_x64

10

b2fK6CUY7ZOdPkM.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    133s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:40

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General

  • Target

    b2fK6CUY7ZOdPkM.exe

  • Size

    667KB

  • MD5

    6d2b65710b2167d358d36f4304d5c9e7

  • SHA1

    bd68ff6f8c8213bc968295c8565247039a829841

  • SHA256

    59842fc6ee45de0381e917668856445fffcdfd3c6f42c8c229673ff33ff61f99

  • SHA512

    dd2a05d48315711aa76340b3693fa37917536b0efc7686655d2a9e526e50310a1eef716b22eee60a1a3c77641812d8a3a400f07774bc3046389c471f2e523839

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    je12vi345

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    je12vi345

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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 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\b2fK6CUY7ZOdPkM.exe
    "C:\Users\Admin\AppData\Local\Temp\b2fK6CUY7ZOdPkM.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Local\Temp\b2fK6CUY7ZOdPkM.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2736

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

1
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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\b2fK6CUY7ZOdPkM.exe.log
    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

    Download Submit
  • memory/2736-131-0x0000000000000000-mapping.dmp
    Download
  • memory/2736-132-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/2736-134-0x0000000074CF0000-0x00000000752A1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3128-130-0x0000000074CF0000-0x00000000752A1000-memory.dmp
    Filesize

    5.7MB

    Download