General
Target

PO-7890374.exe

Filesize

488KB

Completed

21-05-2022 12:50

Task

behavioral2

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 16

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
    behavioral2/memory/2652-137-0x0000000000400000-0x000000000044C000-memory.dmpfamily_agenttesla
  • Checks computer location settings
    PO-7890374.exe

    Description

    Looks up country code configured in the registry, likely geofence.

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key value queried\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\NationPO-7890374.exe
  • 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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
    Key opened\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
    Key opened\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676PO-7890374.exe
  • Suspicious use of SetThreadContext
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 3476 set thread context of 26523476PO-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
    548schtasks.exe
  • Suspicious behavior: EnumeratesProcesses
    PO-7890374.exe

    Reported IOCs

    pidprocess
    2652PO-7890374.exe
    2652PO-7890374.exe
  • Suspicious use of AdjustPrivilegeToken
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege2652PO-7890374.exe
  • Suspicious use of SetWindowsHookEx
    PO-7890374.exe

    Reported IOCs

    pidprocess
    2652PO-7890374.exe
  • Suspicious use of WriteProcessMemory
    PO-7890374.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 3476 wrote to memory of 5483476PO-7890374.exeschtasks.exe
    PID 3476 wrote to memory of 5483476PO-7890374.exeschtasks.exe
    PID 3476 wrote to memory of 5483476PO-7890374.exeschtasks.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
    PID 3476 wrote to memory of 26523476PO-7890374.exePO-7890374.exe
  • outlook_office_path
    PO-7890374.exe

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\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"
    Checks computer location settings
    Suspicious use of SetThreadContext
    Suspicious use of WriteProcessMemory
    PID:3476
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyDUFmqp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F92.tmp"
      Creates scheduled task(s)
      PID:548
    • 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:2652
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\tmp6F92.tmp

                    MD5

                    1034548056e8fdfa779d0a146eeb2647

                    SHA1

                    f8399f8c0b1464e9ed64d8f3c1e5379f5361401f

                    SHA256

                    bfc3e379b421afedd99dfa67843bcad76203698c40962deea135ee1b0705a51a

                    SHA512

                    b6ef71bf6c069882f64f19c3c9cd59bfd74f755a95bfaf56f8699f8813f2774a75fceb6c50c149b67352fb41dce6fb803190e5a991c55f551e399180d0bd21ab

                  • memory/548-134-0x0000000000000000-mapping.dmp

                  • memory/2652-136-0x0000000000000000-mapping.dmp

                  • memory/2652-137-0x0000000000400000-0x000000000044C000-memory.dmp

                  • memory/2652-138-0x00000000065C0000-0x0000000006626000-memory.dmp

                  • memory/2652-139-0x00000000055C0000-0x0000000005610000-memory.dmp

                  • memory/2652-140-0x0000000007450000-0x000000000745A000-memory.dmp

                  • memory/3476-130-0x0000000000750000-0x00000000007D0000-memory.dmp

                  • memory/3476-131-0x0000000005680000-0x0000000005C24000-memory.dmp

                  • memory/3476-132-0x00000000051B0000-0x0000000005242000-memory.dmp

                  • memory/3476-133-0x00000000052F0000-0x000000000538C000-memory.dmp