Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 09:37

General

  • Target

    SOA FEB to MAR 2024.exe

  • Size

    836KB

  • MD5

    28e8f4098b5d13326674b51aab58d055

  • SHA1

    6635fa0024bfebfe5bd67e3c0cce5452e3c9b684

  • SHA256

    d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc

  • SHA512

    41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36

  • SSDEEP

    12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • 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\SOA FEB to MAR 2024.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JICwPVw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JICwPVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5956.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA FEB to MAR 2024.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2592

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

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\tmp5956.tmp
    Filesize

    1KB

    MD5

    b03d7c963f1575f586bbe6f0a44d9b5b

    SHA1

    cec403c5ed35e75a698f689475c2d0fd953db696

    SHA256

    d89196c8c7af4c9ad2a8e4c51ae3ef0766f691010bb483e6088e3b569c85e3ed

    SHA512

    63921da1c07f4d7549d427fec0ca18d806c0743cf14ecd0850847c5e54f2f7b3905a39834a8a3ca5080d661c8189853824a43e58065f0401002a57b78317cfe9

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

    7KB

    MD5

    d0d59089638b74dbbc881ea431f5a162

    SHA1

    d18b9330f5ab0d35bc853edf2307614e375eb3a3

    SHA256

    051f3891bddb67eb99e8d8a31c2b48fdf8cd7a672b562de73dec473349491989

    SHA512

    384592edf576076267fee37e86608ce5babf0654e0eef6636ba51373e127678414c066346c372ec5423c7c1fc41153d3c20e72e6947e6832cdff2756b56be59b

  • memory/2204-30-0x0000000074D00000-0x00000000753EE000-memory.dmp
    Filesize

    6.9MB

  • memory/2204-1-0x0000000074D00000-0x00000000753EE000-memory.dmp
    Filesize

    6.9MB

  • memory/2204-2-0x0000000000BE0000-0x0000000000C20000-memory.dmp
    Filesize

    256KB

  • memory/2204-3-0x00000000006B0000-0x00000000006D0000-memory.dmp
    Filesize

    128KB

  • memory/2204-4-0x0000000000760000-0x0000000000774000-memory.dmp
    Filesize

    80KB

  • memory/2204-5-0x0000000005AA0000-0x0000000005B24000-memory.dmp
    Filesize

    528KB

  • memory/2204-0-0x0000000000C30000-0x0000000000D04000-memory.dmp
    Filesize

    848KB

  • memory/2592-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-29-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2592-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-23-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB