Overview

overview

10

Static

static

Catalogue-... 1.scr

windows7_x64

10

Catalogue-... 1.scr

windows10-2004_x64

10

Analysis

  • max time kernel
    142s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:24

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General

  • Target

    Catalogue-Disinfectant 1.scr

  • Size

    553KB

  • MD5

    0d9af17e7af59794c369d1c480a4dc1d

  • SHA1

    3d74c23fecabe7389aedd61b07f0ab23cf11ecdd

  • SHA256

    ab4da6a6eb17001b2427284b5007cd62a6cf724ba1546a13420a40fb4ecde06d

  • SHA512

    a55bec9c2e0e5ea0e64b8366c012db07a53b15facbb857786548ca9ef2631a6279d76f537c834df7ce0b7da3d87db6b65e936f112e767b9eaa12243a0cea9cc2

Score
10/10
agentteslacollectionkeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    smt.treat@yandex.com
  • Password:
    333link00win0303

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr
    "C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LyCgiShv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB91.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1712
    • C:\Users\Admin\AppData\Local\Temp\Catalogue-Disinfectant 1.scr
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1540
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1668

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpDB91.tmp
      Filesize

      1KB

      MD5

      d4ef37faea9f5475a0fbdac391c69480

      SHA1

      6594a4b710a98485f15ba6959f59948284c329bb

      SHA256

      d80b335e1927989d625156ea3fe6400de54da7b72411c235d0b22c132cdea0ff

      SHA512

      2fc4d5c2d96ebc81abe5f3f7c1705d94a0f72434a8aa4f8c5dd4f199c494c565290e8c30b41be8d59aca07c784b5f5b1235e10251a09c2b2445f32b6dc13076f

      Download Submit
    • memory/1540-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-65-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-70-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-68-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-66-0x000000000044C7AE-mapping.dmp
      Download
    • memory/1540-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1540-63-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1636-54-0x0000000000BF0000-0x0000000000C80000-memory.dmp
      Filesize

      576KB

      Download
    • memory/1636-55-0x0000000000600000-0x0000000000616000-memory.dmp
      Filesize

      88KB

      Download
    • memory/1636-56-0x0000000004340000-0x0000000004398000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1636-57-0x0000000076171000-0x0000000076173000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1668-72-0x0000000000000000-mapping.dmp
      Download
    • memory/1712-58-0x0000000000000000-mapping.dmp
      Download