Overview

overview

10

Static

static

BCHILE-867...EL.exe

windows7_x64

10

BCHILE-867...EL.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:19

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General

  • Target

    BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe

  • Size

    700KB

  • MD5

    70412bb185c9232855032d5ea681f5d2

  • SHA1

    55f0e244005e965fbd0c9355ea4f4f51c824b8d3

  • SHA256

    e51adcf99928f26014b6993369a60a9d4371759f23ddbd4d0df10105ce6de848

  • SHA512

    ab20f06c0aaa1c57fea7b69e28f39a01739feb37e97639ceed29a7a573284081ad582bb5946239e592758c6fc8098e3b52a31e2bb3f4a1387196ca17513d6d81

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    amblessed22

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe
    "C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe
      "{path}"
      2⤵
        PID:1064
      • C:\Users\Admin\AppData\Local\Temp\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1116

    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

    • memory/912-54-0x0000000000E70000-0x0000000000F26000-memory.dmp
      Filesize

      728KB

      Download
    • memory/912-55-0x0000000076781000-0x0000000076783000-memory.dmp
      Filesize

      8KB

      Download
    • memory/912-56-0x00000000003E0000-0x00000000003EA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/912-57-0x0000000004400000-0x0000000004454000-memory.dmp
      Filesize

      336KB

      Download
    • memory/1116-58-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-59-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-62-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-61-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-63-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-64-0x0000000000446DDE-mapping.dmp
      Download
    • memory/1116-66-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1116-68-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download