Analysis

  • max time kernel
    137s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 17:07

General

  • Target

    27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe

  • Size

    436KB

  • MD5

    27c466c70e60445b429623de8101a6d5

  • SHA1

    f1fd7e7fbdcfd7deddd7426cf56dfe2218c793b2

  • SHA256

    a4481204cfad76211d499d418edb29b8d1fb33910b97de5dac0ead7258df4064

  • SHA512

    2496f0e97c67384670b2800ba5fd9f005921594aa9c55ccc9e266cfb9cb58874542f1b818e8e433e79c83c0c98ba44806e8abc231d2b9bce7efac34ea39afa77

  • SSDEEP

    12288:G6XJYAA8IWFsaoPIQxVGT5N6jU/HOXHO:G6ZYAAz0oPISGTIU/UHO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ekdantlab.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    muruga@123

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1584
    • 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\27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tFFJSJku" /XML "C:\Users\Admin\AppData\Local\Temp\tmp848B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\27c466c70e60445b429623de8101a6d5_JaffaCakes118.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2780

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

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1584-24-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/1584-1-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/1584-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp
    Filesize

    256KB

  • memory/1584-3-0x0000000000470000-0x000000000047E000-memory.dmp
    Filesize

    56KB

  • memory/1584-4-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/1584-5-0x0000000004D70000-0x0000000004DB0000-memory.dmp
    Filesize

    256KB

  • memory/1584-6-0x0000000004B90000-0x0000000004BF0000-memory.dmp
    Filesize

    384KB

  • memory/1584-0-0x0000000000050000-0x00000000000C4000-memory.dmp
    Filesize

    464KB

  • memory/2600-30-0x00000000702D0000-0x000000007087B000-memory.dmp
    Filesize

    5.7MB

  • memory/2600-29-0x00000000702D0000-0x000000007087B000-memory.dmp
    Filesize

    5.7MB

  • memory/2600-33-0x00000000702D0000-0x000000007087B000-memory.dmp
    Filesize

    5.7MB

  • memory/2600-32-0x0000000002E30000-0x0000000002E70000-memory.dmp
    Filesize

    256KB

  • memory/2600-31-0x0000000002E30000-0x0000000002E70000-memory.dmp
    Filesize

    256KB

  • memory/2780-21-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-19-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-14-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-26-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2780-25-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/2780-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-15-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-23-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2780-16-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2780-35-0x0000000074520000-0x0000000074C0E000-memory.dmp
    Filesize

    6.9MB

  • memory/2780-36-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2780-38-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2780-39-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB