Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 08:13

General

  • Target

    Quotation specifications draft20001.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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation specifications draft20001.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation specifications draft20001.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2876
    • 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\Quotation specifications draft20001.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1528
    • 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:4060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eRkUBYSG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp71C5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3424
    • C:\Users\Admin\AppData\Local\Temp\Quotation specifications draft20001.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation specifications draft20001.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    9273e2316107baab3b15ff4ace1c9578

    SHA1

    9ab2ab251e706fe9d9a4b1e3d2597a5a6c3f7e1a

    SHA256

    c15d2e44894082f8ebd9823d5fe8a550dae54da6ed3eefb294b82d68c92a968f

    SHA512

    989eff0e971f42419a7b574650fa12f1a4ea5f3e35b7e8a5ec6265b9738d1de18ee0f2c3ad23883126677ff1a35f67d534104fb5dab4bcd2026d3422c2880c33

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qnoumxps.pit.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp71C5.tmp

    Filesize

    1KB

    MD5

    12871f73bce174b33f2e4d649b41f993

    SHA1

    1b54d573955d507a2538e151e26b18f5a80a18f0

    SHA256

    59013045bc2893113268265f2fe6a382784d48e89d425d0cf404d1f474c8ef05

    SHA512

    6f844aaa57606a48b40a20bf0234cd44e6c4df7a9e57d5e20ee227e03ada9b8c4b5c3d4cd3b0e64f8492e067b9ae1e2999d785e7ee33a36acc972d902be38728

  • memory/1528-73-0x00000000078E0000-0x00000000078FA000-memory.dmp

    Filesize

    104KB

  • memory/1528-15-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-84-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-80-0x0000000007C00000-0x0000000007C08000-memory.dmp

    Filesize

    32KB

  • memory/1528-79-0x0000000007C20000-0x0000000007C3A000-memory.dmp

    Filesize

    104KB

  • memory/1528-78-0x0000000007B20000-0x0000000007B34000-memory.dmp

    Filesize

    80KB

  • memory/1528-14-0x0000000005050000-0x0000000005086000-memory.dmp

    Filesize

    216KB

  • memory/1528-72-0x0000000007F20000-0x000000000859A000-memory.dmp

    Filesize

    6.5MB

  • memory/1528-16-0x0000000005800000-0x0000000005E28000-memory.dmp

    Filesize

    6.2MB

  • memory/1528-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/1528-49-0x0000000007540000-0x0000000007572000-memory.dmp

    Filesize

    200KB

  • memory/1528-20-0x00000000056F0000-0x0000000005712000-memory.dmp

    Filesize

    136KB

  • memory/1528-69-0x0000000007520000-0x000000000753E000-memory.dmp

    Filesize

    120KB

  • memory/1528-22-0x0000000005F80000-0x0000000005FE6000-memory.dmp

    Filesize

    408KB

  • memory/1528-29-0x0000000005FF0000-0x0000000006344000-memory.dmp

    Filesize

    3.3MB

  • memory/1528-50-0x0000000075C10000-0x0000000075C5C000-memory.dmp

    Filesize

    304KB

  • memory/1528-21-0x0000000005EA0000-0x0000000005F06000-memory.dmp

    Filesize

    408KB

  • memory/2876-8-0x0000000006530000-0x0000000006540000-memory.dmp

    Filesize

    64KB

  • memory/2876-7-0x0000000006550000-0x000000000656A000-memory.dmp

    Filesize

    104KB

  • memory/2876-1-0x0000000000D50000-0x0000000000E26000-memory.dmp

    Filesize

    856KB

  • memory/2876-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/2876-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

    Filesize

    4KB

  • memory/2876-6-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

    Filesize

    624KB

  • memory/2876-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

    Filesize

    40KB

  • memory/2876-3-0x0000000005840000-0x00000000058D2000-memory.dmp

    Filesize

    584KB

  • memory/2876-46-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/2876-9-0x0000000006A20000-0x0000000006AA4000-memory.dmp

    Filesize

    528KB

  • memory/2876-4-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/3184-41-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3184-81-0x00000000060F0000-0x0000000006140000-memory.dmp

    Filesize

    320KB

  • memory/4060-51-0x0000000075C10000-0x0000000075C5C000-memory.dmp

    Filesize

    304KB

  • memory/4060-18-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-76-0x0000000007B70000-0x0000000007B81000-memory.dmp

    Filesize

    68KB

  • memory/4060-88-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-75-0x0000000007BF0000-0x0000000007C86000-memory.dmp

    Filesize

    600KB

  • memory/4060-77-0x0000000007BA0000-0x0000000007BAE000-memory.dmp

    Filesize

    56KB

  • memory/4060-71-0x0000000007840000-0x00000000078E3000-memory.dmp

    Filesize

    652KB

  • memory/4060-74-0x00000000079E0000-0x00000000079EA000-memory.dmp

    Filesize

    40KB

  • memory/4060-48-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/4060-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-35-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-47-0x0000000006650000-0x000000000666E000-memory.dmp

    Filesize

    120KB