Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2025 02:35

General

  • Target

    JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe

  • Size

    470KB

  • MD5

    f4b6e484c7301af80ffbaee038027677

  • SHA1

    f100945889ba33693ad8bd9ed34b57f6a59e021e

  • SHA256

    a64ff643c401e3432d893ac76f4b2967d9a862306d9109330efeae2b0eb98ae9

  • SHA512

    c87387e7554cd9163fb3b3073c3ad255b7aceeb078e5f83779ee396531ba8490f11ca1f3fc138fbc2c45c5d97cf9a30fda45c123952e58e34034b62a59572972

  • SSDEEP

    6144:PFUKhKTXdibp57j3rVXtbGUjttsBqd81sW+QZkSzS1P5YP0utHYiS2agylEUg5wx:PSjdMPLzbGsth81oQZ61P5EQ2agysix

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xxxlahot2

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LGBLwVCrDmnid" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A60.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1184
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1964-10-0x0000000007FA0000-0x0000000008000000-memory.dmp

    Filesize

    384KB

  • memory/1964-3-0x0000000005080000-0x0000000005112000-memory.dmp

    Filesize

    584KB

  • memory/1964-1-0x00000000005F0000-0x000000000066C000-memory.dmp

    Filesize

    496KB

  • memory/1964-4-0x0000000005030000-0x000000000503A000-memory.dmp

    Filesize

    40KB

  • memory/1964-5-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1964-6-0x00000000052B0000-0x00000000052BE000-memory.dmp

    Filesize

    56KB

  • memory/1964-7-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1964-8-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1964-20-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/1964-0-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1964-9-0x0000000007E40000-0x0000000007EDC000-memory.dmp

    Filesize

    624KB

  • memory/1964-2-0x0000000005590000-0x0000000005B34000-memory.dmp

    Filesize

    5.6MB

  • memory/4760-29-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-19-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-21-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-22-0x0000000005350000-0x0000000005368000-memory.dmp

    Filesize

    96KB

  • memory/4760-23-0x0000000005BF0000-0x0000000005C56000-memory.dmp

    Filesize

    408KB

  • memory/4760-24-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-25-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-27-0x0000000005EC0000-0x0000000005F10000-memory.dmp

    Filesize

    320KB

  • memory/4760-28-0x0000000074970000-0x0000000075120000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB