Analysis

  • max time kernel
    115s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 01:33

General

  • Target

    8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a.exe

  • Size

    652KB

  • MD5

    6d7798805db34d8c1dcc0321613c3410

  • SHA1

    e69a5cc833d2311316d9b5878f547d89d7184b0b

  • SHA256

    8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a

  • SHA512

    40985368f31a7083a71184e066475291322c6651c224976325467a5668e7c884ad7c285d4c6a531d8132fb7c58040fe5483d90032e994ad8a4dda9963dc5cf90

  • SSDEEP

    12288:zarUF9WMbbUs/dN28/r+uQJ9wsQXohP6qhPqrFzy3UytGzrI6tOeD6RZ:erU2M8s/d1T+uQ4EbhL3Zyli

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pgsu.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Vecls16@Vezs

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a.exe
    "C:\Users\Admin\AppData\Local\Temp\8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ISwOEfWsLu.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ISwOEfWsLu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63FA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3896
    • C:\Users\Admin\AppData\Local\Temp\8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a.exe
      "C:\Users\Admin\AppData\Local\Temp\8ceb3808dfe2433dddcde779deac4ac58a595175e09d1c8b6a47dbf7f327d16a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:648

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pxb3qtiy.pjx.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp63FA.tmp
    Filesize

    1KB

    MD5

    e59bb91fe10fc390a1a035811a35cc11

    SHA1

    e4307497ed91f2f3ad82dae1028ad01a1e0372cb

    SHA256

    b0db550567c140844956f1c03d70835250a50a052fb6cd47018b1c17fb2f3e0f

    SHA512

    ea9383b65949aff6c4a116893be645ba1a6bfd62485aecb85f0e5205117b598de8fedd482d5cbb4ad235dbd378e352e9df525d2f3e242e50c58e79530e6b7c59

  • memory/648-65-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB

  • memory/648-64-0x0000000006010000-0x0000000006060000-memory.dmp
    Filesize

    320KB

  • memory/648-33-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB

  • memory/648-22-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/4104-58-0x0000000007680000-0x000000000768E000-memory.dmp
    Filesize

    56KB

  • memory/4104-60-0x0000000007790000-0x00000000077AA000-memory.dmp
    Filesize

    104KB

  • memory/4104-57-0x0000000007650000-0x0000000007661000-memory.dmp
    Filesize

    68KB

  • memory/4104-56-0x00000000076D0000-0x0000000007766000-memory.dmp
    Filesize

    600KB

  • memory/4104-55-0x00000000074C0000-0x00000000074CA000-memory.dmp
    Filesize

    40KB

  • memory/4104-53-0x0000000007AA0000-0x000000000811A000-memory.dmp
    Filesize

    6.5MB

  • memory/4104-16-0x0000000002790000-0x00000000027C6000-memory.dmp
    Filesize

    216KB

  • memory/4104-59-0x0000000007690000-0x00000000076A4000-memory.dmp
    Filesize

    80KB

  • memory/4104-19-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB

  • memory/4104-18-0x0000000005390000-0x00000000059B8000-memory.dmp
    Filesize

    6.2MB

  • memory/4104-21-0x0000000004D50000-0x0000000004D60000-memory.dmp
    Filesize

    64KB

  • memory/4104-52-0x00000000072A0000-0x0000000007343000-memory.dmp
    Filesize

    652KB

  • memory/4104-26-0x0000000005A30000-0x0000000005A96000-memory.dmp
    Filesize

    408KB

  • memory/4104-23-0x00000000051E0000-0x0000000005202000-memory.dmp
    Filesize

    136KB

  • memory/4104-54-0x0000000007450000-0x000000000746A000-memory.dmp
    Filesize

    104KB

  • memory/4104-61-0x0000000007770000-0x0000000007778000-memory.dmp
    Filesize

    32KB

  • memory/4104-63-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB

  • memory/4104-25-0x0000000005280000-0x00000000052E6000-memory.dmp
    Filesize

    408KB

  • memory/4104-20-0x0000000004D50000-0x0000000004D60000-memory.dmp
    Filesize

    64KB

  • memory/4104-38-0x00000000060B0000-0x00000000060CE000-memory.dmp
    Filesize

    120KB

  • memory/4104-39-0x00000000060E0000-0x000000000612C000-memory.dmp
    Filesize

    304KB

  • memory/4104-41-0x0000000070B50000-0x0000000070B9C000-memory.dmp
    Filesize

    304KB

  • memory/4104-51-0x0000000006650000-0x000000000666E000-memory.dmp
    Filesize

    120KB

  • memory/4104-40-0x00000000066C0000-0x00000000066F2000-memory.dmp
    Filesize

    200KB

  • memory/4360-10-0x0000000004940000-0x00000000049C2000-memory.dmp
    Filesize

    520KB

  • memory/4360-27-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB

  • memory/4360-11-0x000000000D180000-0x000000000D21C000-memory.dmp
    Filesize

    624KB

  • memory/4360-0-0x0000000000490000-0x000000000053A000-memory.dmp
    Filesize

    680KB

  • memory/4360-8-0x0000000006550000-0x000000000655E000-memory.dmp
    Filesize

    56KB

  • memory/4360-9-0x0000000006560000-0x0000000006574000-memory.dmp
    Filesize

    80KB

  • memory/4360-7-0x0000000007CB0000-0x0000000007CC8000-memory.dmp
    Filesize

    96KB

  • memory/4360-6-0x0000000005A30000-0x0000000005A3A000-memory.dmp
    Filesize

    40KB

  • memory/4360-5-0x0000000004F10000-0x0000000004F20000-memory.dmp
    Filesize

    64KB

  • memory/4360-4-0x0000000005000000-0x0000000005354000-memory.dmp
    Filesize

    3.3MB

  • memory/4360-3-0x0000000004F60000-0x0000000004FF2000-memory.dmp
    Filesize

    584KB

  • memory/4360-2-0x0000000005470000-0x0000000005A14000-memory.dmp
    Filesize

    5.6MB

  • memory/4360-1-0x00000000747E0000-0x0000000074F90000-memory.dmp
    Filesize

    7.7MB