Analysis

  • max time kernel
    124s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 12:58

General

  • Target

    EiQHjXTm0aKck3P.exe

  • Size

    734KB

  • MD5

    fb3ba91147904673815403296b913d4c

  • SHA1

    69659c7484b5221d0c64ed7b55aab636f61266f5

  • SHA256

    2d23264cbb640e6d74b527f68ac05d12aea8647ccdeb6e592e5e399bf0f2fa57

  • SHA512

    cd4f7fa5e6ae6c2faff4fa030aa9791257042d24cf67c7ff9497029e8ae803e14ddd73d655d991b4ef3b04fecb6b12f253466a9be21e32288a593b147935108c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.hoteltalabart.cat
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jackdaniels_1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\EiQHjXTm0aKck3P.exe
    "C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4644

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2324-115-0x00000000004F0000-0x00000000004F1000-memory.dmp
    Filesize

    4KB

  • memory/2324-117-0x0000000004E20000-0x0000000004E21000-memory.dmp
    Filesize

    4KB

  • memory/2324-118-0x00000000053C0000-0x00000000053C1000-memory.dmp
    Filesize

    4KB

  • memory/2324-119-0x0000000004F60000-0x0000000004F61000-memory.dmp
    Filesize

    4KB

  • memory/2324-120-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
    Filesize

    4KB

  • memory/2324-121-0x00000000050C0000-0x00000000050C1000-memory.dmp
    Filesize

    4KB

  • memory/2324-122-0x00000000027D0000-0x00000000027D1000-memory.dmp
    Filesize

    4KB

  • memory/2324-123-0x0000000005140000-0x000000000514E000-memory.dmp
    Filesize

    56KB

  • memory/2324-124-0x0000000008A20000-0x0000000008A9C000-memory.dmp
    Filesize

    496KB

  • memory/2324-125-0x000000000B220000-0x000000000B258000-memory.dmp
    Filesize

    224KB

  • memory/4644-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/4644-127-0x000000000043750E-mapping.dmp
  • memory/4644-132-0x0000000005780000-0x0000000005C7E000-memory.dmp
    Filesize

    5.0MB

  • memory/4644-133-0x0000000005930000-0x0000000005931000-memory.dmp
    Filesize

    4KB

  • memory/4644-134-0x00000000064E0000-0x00000000064E1000-memory.dmp
    Filesize

    4KB