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
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
Resource
win10v2004-20241007-en
General
-
Target
JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
-
Size
470KB
-
MD5
f4b6e484c7301af80ffbaee038027677
-
SHA1
f100945889ba33693ad8bd9ed34b57f6a59e021e
-
SHA256
a64ff643c401e3432d893ac76f4b2967d9a862306d9109330efeae2b0eb98ae9
-
SHA512
c87387e7554cd9163fb3b3073c3ad255b7aceeb078e5f83779ee396531ba8490f11ca1f3fc138fbc2c45c5d97cf9a30fda45c123952e58e34034b62a59572972
-
SSDEEP
6144:PFUKhKTXdibp57j3rVXtbGUjttsBqd81sW+QZkSzS1P5YP0utHYiS2agylEUg5wx:PSjdMPLzbGsth81oQZ61P5EQ2agysix
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/4760-16-0x0000000000400000-0x000000000043C000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TmZaMAa = "C:\\Users\\Admin\\AppData\\Roaming\\TmZaMAa\\TmZaMAa.exe" JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1964 set thread context of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 -
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_f4b6e484c7301af80ffbaee038027677.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_f4b6e484c7301af80ffbaee038027677.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 1184 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4760 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 4760 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4760 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1184 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 91 PID 1964 wrote to memory of 1184 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 91 PID 1964 wrote to memory of 1184 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 91 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 PID 1964 wrote to memory of 4760 1964 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe 92 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe
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
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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_f4b6e484c7301af80ffbaee038027677.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3