General
Target

PO-7890374.exe

Filesize

488KB

Completed

21-05-2022 12:50

Task

behavioral1

Score
10/10
MD5

e9578b76923aaf0ef5c6ddd29f04c44b

SHA1

fd105ad0cfaac1465e7773e1f5a98a4bdc9ab7d9

SHA256

0e1398abdfa85e32529125bf46eca2248faa7baa07f114ead8e310fc05a73beb

SHA256

fb064a5aad513cf8650d03b716e0502a920779a9c2f7f3db0628e65c89c439b72984f2efc21f43112874fff3cbe1c59d1cc0d8e4cc944ecd97abb043c280cc37

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp

Host: ftp://gsmtp.me/

Port: 21

Username: mikano

Password: N1!4o8yg

Protocol: ftp

Host: ftp://gsmtp.me/

Port: 21

Username: mikano

Password: N1!4o8yg

Signatures 15

Filter: none

Collection
Credential Access
Discovery
Persistence
  • AgentTesla

    Description

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

  • AgentTesla Payload

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/1456-63-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
    behavioral1/memory/1456-64-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
    behavioral1/memory/1456-65-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
    behavioral1/memory/1456-66-0x0000000000446BAE-mapping.dmpfamily_agenttesla
    behavioral1/memory/1456-68-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
    behavioral1/memory/1456-70-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
  • Reads data files stored by FTP clients

    Description

    Tries to access configuration files associated with programs like FileZilla.

    TTPs

    Data from Local SystemCredentials in Files
  • Reads user/profile data of local email clients

    Description

    Email clients store some user data on disk where infostealers will often target it.

    TTPs

    Data from Local SystemCredentials in Files
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    TTPs

    Data from Local SystemCredentials in Files
  • Accesses Microsoft Outlook profiles
    PO-7890374.exe

    Tags

    TTPs

    Email Collection

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
    Key opened\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
    Key opened\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
  • Suspicious use of SetThreadContext
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 552 set thread context of 1456552PO-7890374.exePO-7890374.exe
  • Enumerates physical storage devices

    Description

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    TTPs

    System Information Discovery
  • Creates scheduled task(s)
    schtasks.exe

    Description

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    TTPs

    Scheduled Task

    Reported IOCs

    pidprocess
    1264schtasks.exe
  • Suspicious behavior: EnumeratesProcesses
    PO-7890374.exe

    Reported IOCs

    pidprocess
    1456PO-7890374.exe
    1456PO-7890374.exe
  • Suspicious use of AdjustPrivilegeToken
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1456PO-7890374.exe
  • Suspicious use of SetWindowsHookEx
    PO-7890374.exe

    Reported IOCs

    pidprocess
    1456PO-7890374.exe
  • Suspicious use of WriteProcessMemory
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 552 wrote to memory of 1264552PO-7890374.exeschtasks.exe
    PID 552 wrote to memory of 1264552PO-7890374.exeschtasks.exe
    PID 552 wrote to memory of 1264552PO-7890374.exeschtasks.exe
    PID 552 wrote to memory of 1264552PO-7890374.exeschtasks.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
    PID 552 wrote to memory of 1456552PO-7890374.exePO-7890374.exe
  • outlook_office_path
    PO-7890374.exe

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
  • outlook_win_path
    PO-7890374.exe

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
Processes 3
  • C:\Users\Admin\AppData\Local\Temp\PO-7890374.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-7890374.exe"
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyDUFmqp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF5D.tmp"
      Creates scheduled task(s)
      PID:1264
    • C:\Users\Admin\AppData\Local\Temp\PO-7890374.exe
      "{path}"
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:1456
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Defense Evasion
      Execution
        Exfiltration
          Impact
            Initial Access
              Lateral Movement
                Persistence
                Privilege Escalation
                  Replay Monitor
                  00:00 00:00
                  Downloads
                  • C:\Users\Admin\AppData\Local\Temp\tmpF5D.tmp

                    MD5

                    8fefb2efeb0c8f0def8bd5246d5b0501

                    SHA1

                    fe8b4768119adcf5bc905986a6dc4a215ab5177d

                    SHA256

                    6e6c57563122695181d988ee5bcfe679e158acc83e05099b9e961630ee89caa7

                    SHA512

                    26b6bd9d24bae7df6022de80d39552e8493f3e4e1c9659795ad4fa8b2d48288852e017d6b3135e2ada5b0f97749509f9c23c242bd3572d19f0c8d0afc1af0b72

                  • memory/552-54-0x0000000000B40000-0x0000000000BC0000-memory.dmp

                  • memory/552-55-0x0000000000390000-0x000000000039A000-memory.dmp

                  • memory/552-56-0x0000000004760000-0x00000000047B4000-memory.dmp

                  • memory/552-57-0x0000000075501000-0x0000000075503000-memory.dmp

                  • memory/1264-58-0x0000000000000000-mapping.dmp

                  • memory/1456-61-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-60-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-63-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-64-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-65-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-66-0x0000000000446BAE-mapping.dmp

                  • memory/1456-68-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/1456-70-0x0000000000400000-0x000000000044C000-memory.dmp