Analysis

  • max time kernel
    128s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    25-10-2021 10:33

General

  • Target

    ConsoleApp15.exe

  • Size

    140KB

  • MD5

    9c8282590f9bc40955ca14389309fe86

  • SHA1

    078e9d1dfbad7293f96040454778134a2d124e4a

  • SHA256

    2da74da0966fc748461e65e8e46d49f6fba1c50b3a7473df905205eec1fad3b9

  • SHA512

    91aaf688307b946eab0b07564caf07fb197101eacc64000e33c3346a977a2cfb8fbad9049f7fc21ddcd4e90ac6bafde2e1111749c89be19c5ab0503037b244c6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sinyar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sin@254#Sa2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 4 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\ConsoleApp15.exe
    "C:\Users\Admin\AppData\Local\Temp\ConsoleApp15.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Users\Admin\AppData\Local\Temp\ConsoleApp15.exe
      C:\Users\Admin\AppData\Local\Temp\ConsoleApp15.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3276

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ConsoleApp15.exe.log

    MD5

    daa436d058b25bdde9e2d6fe53c6ccf6

    SHA1

    3fc5d1eab28db05865915d8f6d9ecf85d9cc1d9e

    SHA256

    afb0ed8659b214fe4251a87a1c0a362c123363497fbd50737c1ae36a9376c4cd

    SHA512

    84f13582070ae4a3a9bb5e4b29620e659c258ab282e43e9bfa50528c08aae875d8c33cf3647fbb1253102af39b89f3b97f316e62f544355cc9c379e04fba960a

  • memory/3276-128-0x0000000005470000-0x0000000005471000-memory.dmp

    Filesize

    4KB

  • memory/3276-129-0x0000000005370000-0x0000000005371000-memory.dmp

    Filesize

    4KB

  • memory/3276-134-0x0000000005371000-0x0000000005372000-memory.dmp

    Filesize

    4KB

  • memory/3276-133-0x0000000006460000-0x0000000006461000-memory.dmp

    Filesize

    4KB

  • memory/3276-132-0x00000000064E0000-0x00000000064E1000-memory.dmp

    Filesize

    4KB

  • memory/3276-123-0x000000000043760E-mapping.dmp

  • memory/3276-122-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3276-130-0x0000000005340000-0x0000000005341000-memory.dmp

    Filesize

    4KB

  • memory/3688-121-0x00000000055A0000-0x00000000055C4000-memory.dmp

    Filesize

    144KB

  • memory/3688-115-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/3688-117-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

    Filesize

    4KB

  • memory/3688-118-0x00000000053F0000-0x0000000005446000-memory.dmp

    Filesize

    344KB

  • memory/3688-120-0x0000000005A30000-0x0000000005A31000-memory.dmp

    Filesize

    4KB

  • memory/3688-119-0x00000000054C0000-0x00000000054C1000-memory.dmp

    Filesize

    4KB