Analysis
-
max time kernel
148s -
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
31-12-2024 08:10
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe
Resource
win10v2004-20241007-en
General
-
Target
JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe
-
Size
498KB
-
MD5
0d1fa230547e8327115e01b3f5956133
-
SHA1
a2942ed55a16fd4b0ca9ac6b7552fbeb5509ecb7
-
SHA256
8e3e00075143d3fd621479fb61188c41560186ce1877e83e9d1e938b866adef6
-
SHA512
7dd223bb25b6ad0f7ec0beb6880ba0fc29404cae8f5548745172f7ae04abe34668e4b3183f3869c4dabf4fcd7fd512976363d4909bd9156b47625598e259a414
-
SSDEEP
6144:FuxpYkSlNpfOCgxdx1ZcGv9WMPznQIGHnmC7I85eVmftpQ6cxHn8eI+mOmFzivqb:F35OCgLxbZvTgzEeqmf3Q7vsFz2qb
Malware Config
Extracted
agenttesla
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
resource yara_rule behavioral2/memory/2548-18-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TmZaMAa = "C:\\Users\\Admin\\AppData\\Roaming\\TmZaMAa\\TmZaMAa.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2024 set thread context of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3360 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 2548 RegSvcs.exe 2548 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe Token: SeDebugPrivilege 2548 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2024 wrote to memory of 3360 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 99 PID 2024 wrote to memory of 3360 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 99 PID 2024 wrote to memory of 3360 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 99 PID 2024 wrote to memory of 3060 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 101 PID 2024 wrote to memory of 3060 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 101 PID 2024 wrote to memory of 3060 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 101 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 PID 2024 wrote to memory of 2548 2024 JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d1fa230547e8327115e01b3f5956133.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lTrrhuvZeKce" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EAA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3360
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:3060
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2548
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1