Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:18

General

  • Target

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe

  • Size

    844KB

  • MD5

    e4aaca7e0fe69ced3fc467506885a9d9

  • SHA1

    dd9554514cba10808aa3e0f32c9f5f22c37e6995

  • SHA256

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc

  • SHA512

    8254f7c3844db4e95f98431a00c7795650b5c9720670aac178b87c2ac444c86e34bc84f53ffd59fda16781aab6fcc86fcf81850f007189ca65db2c61dfbdbbc5

  • SSDEEP

    24576:Vw4bjw4bajqV8d707FhxVROXXaeSA+oafS7:Vw4bjw4bajN0xPOCBfk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bethesdakindergarten.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kindy6014587474

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe
    "C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eRkUBYSG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eRkUBYSG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BC0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2668
    • C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe
      "C:\Users\Admin\AppData\Local\Temp\db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4BC0.tmp
    Filesize

    1KB

    MD5

    dadf7b766fac6a859d23c50789887216

    SHA1

    0cc0089371a0047de87efe693191fad0b5189abd

    SHA256

    cd675d75084693d85d512fe72797f302eee6961e1fe7f3daca68123e2883956b

    SHA512

    5123a94435cb8b4e78f7f463f720fed4bab4dfdebbfefd233a875e7368bbe95a3827532fa9c52362399272c49d093ba2fe31f0217fb9b988965a96777d52de7f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    3a1601a6985a6635ef613b63944a71ea

    SHA1

    a6d887abf7cc7e9d5d54ad2e53a5454a5ec29a2c

    SHA256

    5cda934b41f649f4f80fa4c651961d4836e658b0d2f3fae931ea5b39a92494a8

    SHA512

    8435e505cd5b0fdbcd13e2cc4dddf98f49685ef1960495440f4ad4bc8a1323d757c57010d1c5b5b607bfde994fca9d22b3e8cff79cb2073ffd9bbc794b02108d

  • memory/2416-31-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2416-1-0x0000000000BD0000-0x0000000000CA6000-memory.dmp
    Filesize

    856KB

  • memory/2416-2-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2416-3-0x00000000007A0000-0x00000000007BA000-memory.dmp
    Filesize

    104KB

  • memory/2416-4-0x00000000005F0000-0x0000000000600000-memory.dmp
    Filesize

    64KB

  • memory/2416-5-0x0000000005350000-0x00000000053D4000-memory.dmp
    Filesize

    528KB

  • memory/2416-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp
    Filesize

    4KB

  • memory/3068-19-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/3068-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3068-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB