Analysis
- max time kernel
140s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
17/10/2024, 00:26
Static task
static1
Behavioral task
behavioral1
Sample
4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
- Target 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe
- Size 912KB
- Sample241017-arftdsvfnk
- SHA256 7b41a9a1a23c32d730a0db98e4cf4bca1be4fd58b9852eb2b2a1687f651b10b8
- MD5 4fdb956b1e1cebcb7171b0d43abd34b2
- SHA1 b1ec847c9fb509db9d4629d9fa09c3d42412dc49
- SHA512 948f3fb81f1dd43e8008a59bd875bcdf76823311f932d0ca4f1c9d570c485a7f3d13fa6e3ec1f5552fb4253cff569b8b5cb8a0943e97a2b6416db41b21b5ea8f
- SSDEEP 12288:NyswPZ2viP8D/f1KsIbx2OA0BdIBxqPsCSkUee3LdtRAf7A+HK7zQzKboAxLF:wswkvPD/1IsWBdm8mkIbSKbo0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
Qz(CKtM2101
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/3552-18-0x0000000000400000-0x000000000043C000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3612 set thread context of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 - 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 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.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 4336 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 3552 RegSvcs.exe 3552 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe Token: SeDebugPrivilege 3552 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3612 wrote to memory of 4336 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 98 PID 3612 wrote to memory of 4336 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 98 PID 3612 wrote to memory of 4336 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 98 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 PID 3612 wrote to memory of 3552 3612 4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe 100 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.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 WriteProcessMemory
PID:3612 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fpFzBjIZtmHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B63.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4336
-
-
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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3552
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp1B63.tmp
- Size 1KB
- SHA256 c10ea44656b950670343e17ae6b6234141a31ad3ea6adc419f6d8541e1e5d40f
- MD5 5dec13ca556bd24a47e786fb232c3eaa
- SHA1 50c35ed6b0edb217491c2dae2ed12810b04af58c
- SHA512 36a53283c3953f17d2e677870423874ac155303941c35b06aa1b36f03224b08a686e2288caf835c6d01a8d72a95e87da4eace002ed57fcbbf88ce4646c6b6031
- MD5 SHA1 SHA512