Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:44

General

  • Target

    image004.exe

  • Size

    750KB

  • MD5

    af7969ad9402eed625d7062c487c6f66

  • SHA1

    eb7d2554b1a38da763b94177f6272a86c35b1d0d

  • SHA256

    c99ab5fd84fd8e4eb94bc9d521920481effd92e79cd383f8ee07c1457f8c3fc8

  • SHA512

    20e1cae871ab11bd0c23ba040a1d0b377d6785b006d8b5de6d7184a1fd0f8699b9993d1f0988a1175516a0545df3f245d119757032d055f0a1e6a80cc7728878

  • SSDEEP

    12288:5zvxn6yWn7fcpVZlu/6uHl8XdpxC8wmkSgIYBo9u9xm5TdgWgegPgy/g52w8BLvm:Zxn698VVYl4PCVogIY0Qm9dg0gIyYsp6

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\image004.exe
    "C:\Users\Admin\AppData\Local\Temp\image004.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • 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\image004.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4896
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WWDyYT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WWDyYT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F4F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    18KB

    MD5

    652f789b51c998186ff39781578f7f6f

    SHA1

    756f337d026779d395dbffbbd1bb407cb61a4489

    SHA256

    b579db2a42813a535047e8b73b51dade39ba3040a63539ae77256ff0e2ce3836

    SHA512

    4125aaec442381f9307b8b51166b746cdea35ca9d799f80e044f8a323024ddc2d99655059532aae5be2e33fe45c35bbeb552bc902492f0890da34171f2bf7987

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mg1ocryi.4hf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8F4F.tmp

    Filesize

    1KB

    MD5

    18f66fc12410e368a6a546d471198be7

    SHA1

    b518b17cdb9b114eb257ec7501b64e5278e95997

    SHA256

    b184065645c9115af3e78b6b83d33d7850891797e96cdfcf834fe4738bd4105e

    SHA512

    abf300825bfbb2a3821dce6963e2086563af32db91be1be730d0dec1124b756c72c4ad866164a46fb4e1406e3683f2f2fa3fd6548cad075a2637e3679e13792c

  • memory/2008-8-0x00000000046F0000-0x0000000004700000-memory.dmp

    Filesize

    64KB

  • memory/2008-10-0x000000000EEF0000-0x000000000EF8C000-memory.dmp

    Filesize

    624KB

  • memory/2008-5-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2008-6-0x0000000005210000-0x0000000005232000-memory.dmp

    Filesize

    136KB

  • memory/2008-7-0x00000000088C0000-0x00000000088CC000-memory.dmp

    Filesize

    48KB

  • memory/2008-46-0x00000000065A0000-0x00000000065E2000-memory.dmp

    Filesize

    264KB

  • memory/2008-9-0x00000000061B0000-0x0000000006234000-memory.dmp

    Filesize

    528KB

  • memory/2008-4-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

    Filesize

    40KB

  • memory/2008-89-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/2008-88-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/2008-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

    Filesize

    584KB

  • memory/2008-77-0x0000000007840000-0x0000000007890000-memory.dmp

    Filesize

    320KB

  • memory/2008-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/2008-2-0x0000000005230000-0x00000000057D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2008-1-0x0000000000250000-0x0000000000310000-memory.dmp

    Filesize

    768KB

  • memory/4268-75-0x00000000074A0000-0x0000000007536000-memory.dmp

    Filesize

    600KB

  • memory/4268-49-0x0000000006490000-0x00000000064C2000-memory.dmp

    Filesize

    200KB

  • memory/4268-29-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-87-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-81-0x0000000007540000-0x0000000007548000-memory.dmp

    Filesize

    32KB

  • memory/4268-19-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-34-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-71-0x0000000007080000-0x0000000007123000-memory.dmp

    Filesize

    652KB

  • memory/4268-50-0x000000006F690000-0x000000006F6DC000-memory.dmp

    Filesize

    304KB

  • memory/4268-66-0x0000000006450000-0x000000000646E000-memory.dmp

    Filesize

    120KB

  • memory/4896-72-0x0000000007E20000-0x000000000849A000-memory.dmp

    Filesize

    6.5MB

  • memory/4896-76-0x00000000079D0000-0x00000000079E1000-memory.dmp

    Filesize

    68KB

  • memory/4896-48-0x0000000006520000-0x000000000656C000-memory.dmp

    Filesize

    304KB

  • memory/4896-47-0x0000000006480000-0x000000000649E000-memory.dmp

    Filesize

    120KB

  • memory/4896-27-0x0000000005DE0000-0x0000000005E46000-memory.dmp

    Filesize

    408KB

  • memory/4896-21-0x0000000005560000-0x0000000005582000-memory.dmp

    Filesize

    136KB

  • memory/4896-73-0x00000000077D0000-0x00000000077EA000-memory.dmp

    Filesize

    104KB

  • memory/4896-74-0x0000000007840000-0x000000000784A000-memory.dmp

    Filesize

    40KB

  • memory/4896-45-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-56-0x000000006F690000-0x000000006F6DC000-memory.dmp

    Filesize

    304KB

  • memory/4896-18-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-78-0x0000000007A00000-0x0000000007A0E000-memory.dmp

    Filesize

    56KB

  • memory/4896-79-0x0000000007A10000-0x0000000007A24000-memory.dmp

    Filesize

    80KB

  • memory/4896-80-0x0000000007B10000-0x0000000007B2A000-memory.dmp

    Filesize

    104KB

  • memory/4896-35-0x0000000005FC0000-0x0000000006314000-memory.dmp

    Filesize

    3.3MB

  • memory/4896-17-0x0000000005700000-0x0000000005D28000-memory.dmp

    Filesize

    6.2MB

  • memory/4896-86-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-28-0x0000000005E50000-0x0000000005EB6000-memory.dmp

    Filesize

    408KB

  • memory/4896-16-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4896-15-0x0000000002B80000-0x0000000002BB6000-memory.dmp

    Filesize

    216KB