Analysis

  • max time kernel
    178s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:39

General

  • Target

    Products description.exe

  • Size

    600KB

  • MD5

    b56c68fd41914e76f8b76af6619c5d37

  • SHA1

    b52948ca29f3c6224fafde1a90c14082771b5b13

  • SHA256

    a4da467fed5249b5013e1dc1daa882e15b94fb97ac5a3ee9c2a8abc5a7cfffc0

  • SHA512

    b12f5351d1d59fa37faea4f7c77907f13596dceda1b2f2fe357084059f8826808572b320a8127defe8284d37d815a840cf20de1772a035bebb5110065dfeca6f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    sales2u-kcom.com@yandex.com
  • Password:
    JEHOVAH8899

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    sales2u-kcom.com@yandex.com
  • Password:
    JEHOVAH8899

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\Products description.exe
    "C:\Users\Admin\AppData\Local\Temp\Products description.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\Products description.exe
      "C:\Users\Admin\AppData\Local\Temp\Products description.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2084

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

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Downloads

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

    1KB

    MD5

    fc13935f3038bdde6cb484249fbff668

    SHA1

    a4c32013e6d59bf1eb1a5119456965de191e62b8

    SHA256

    de064c569a5f4edaf2da91d7bcb82bab06a35190b699cede1da0aa616a23d676

    SHA512

    5817275af0f8a48eb1e008d39f62fb3582db9a2d21a806e9f9ee36fbfd799fb17e91f0e3686f4b236724fe78f14ae7f40cd3755f0ec0fb6734ce42f996b798f7

  • memory/1932-130-0x0000000000F60000-0x0000000000FFC000-memory.dmp
    Filesize

    624KB

  • memory/1932-131-0x0000000006790000-0x0000000006D34000-memory.dmp
    Filesize

    5.6MB

  • memory/1932-132-0x00000000062C0000-0x0000000006352000-memory.dmp
    Filesize

    584KB

  • memory/2084-133-0x0000000000000000-mapping.dmp
  • memory/2084-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/2084-136-0x0000000005A80000-0x0000000005B1C000-memory.dmp
    Filesize

    624KB

  • memory/2084-137-0x0000000006690000-0x00000000066F6000-memory.dmp
    Filesize

    408KB

  • memory/2084-138-0x0000000006CC0000-0x0000000006D10000-memory.dmp
    Filesize

    320KB

  • memory/2084-139-0x00000000069B0000-0x00000000069BA000-memory.dmp
    Filesize

    40KB