Overview

overview

10

Static

static

BCHILE-867...EL.exe

windows7_x64

10

BCHILE-867...EL.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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

Credentials

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

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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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 use of WriteProcessMemory
    PID:908
    • 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:1804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BCHILE-86712-K41-FPA-000018__REL 0017 BECHTEL.exe.log
    Filesize

    685B

    MD5

    05bdd1f220197301f9a03d67595ac7db

    SHA1

    3fadb2b5770061249ef30552e38e84d2f685e55b

    SHA256

    72003e1b55ec4ffea8ee1af0f6df49a63ca557165ca3377a114c2e60af181926

    SHA512

    915f3f1fda5718ff8a8a26cacd8a88bd5ff46edfc40d807cb5860c21e966523d82cadcaaf79240e6d42fcba8335ef0e6bdd05d8d2210cf4d1ed3e4a71fec6d78

    Download Submit
  • memory/908-130-0x0000000000E00000-0x0000000000EB6000-memory.dmp
    Filesize

    728KB

    Download
  • memory/908-131-0x0000000005FF0000-0x0000000006594000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/908-132-0x0000000005900000-0x0000000005992000-memory.dmp
    Filesize

    584KB

    Download
  • memory/908-133-0x00000000065A0000-0x0000000006726000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/908-134-0x0000000005DA0000-0x0000000005E3C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/1804-135-0x0000000000000000-mapping.dmp
    Download
  • memory/1804-136-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1804-138-0x0000000005EB0000-0x0000000005F16000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1804-139-0x0000000006530000-0x0000000006580000-memory.dmp
    Filesize

    320KB

    Download
  • memory/1804-140-0x0000000006800000-0x000000000680A000-memory.dmp
    Filesize

    40KB

    Download