Analysis
-
max time kernel
149s -
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
22-11-2024 01:22
Static task
static1
Behavioral task
behavioral1
Sample
4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Resource
win10v2004-20241007-en
General
-
Target
4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
-
Size
601KB
-
MD5
6f6a23b1046687ad8c12037fe57cd60b
-
SHA1
25356daf8b5721b73af988148dfba4a91e8cf7fc
-
SHA256
4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54
-
SHA512
db806dacf8d825bcdc3555b1637e49fd609140b70a5187c3904d92b75b360bb968c5be835c8ef383e66740cc5f14a030b497ad4701cd64f9d0a66f641215236f
-
SSDEEP
12288:VRX4+E+eG8iIcxs+S/2nX57WHeWHOfOaK1lOLFM/0f3S09PbtunPnXbuCAiyNvan:Vh4QeSxs+S6XBTWuWaK1gN+N
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.diva-italia.com - Port:
587 - Username:
[email protected] - Password:
rr.@%5LjgLz7
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/3480-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4796 set thread context of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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 764 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 3480 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 3480 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe Token: SeDebugPrivilege 3480 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3480 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4796 wrote to memory of 764 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 99 PID 4796 wrote to memory of 764 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 99 PID 4796 wrote to memory of 764 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 99 PID 4796 wrote to memory of 3720 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 101 PID 4796 wrote to memory of 3720 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 101 PID 4796 wrote to memory of 3720 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 101 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 PID 4796 wrote to memory of 3480 4796 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe 102 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe"C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.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:4796 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jAhDFpkzATjOFr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB38.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:764
-
-
C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe"{path}"2⤵PID:3720
-
-
C:\Users\Admin\AppData\Local\Temp\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3480
-
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\4d4e487de0c70c2f4a3728f25f9b6890b9f94c2c0e6d7f976c2e70fa9871eb54.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
1KB
MD50d726e7cb9f0c7485e8fb457ed2fdab5
SHA15df1b5070cc85c43b3b3fcbdc1de011cd37678c9
SHA256b8e63c300057f8b3c472698d7d41fd82e94b4127a4fb90d24b6a2bdc7036f263
SHA512daab200dc97abae57b444a1c124f2c79ac98a07494494877cb7a7506469155bb0dd4e9b61690c43a7867a508ec7b25d096dd24f6643dd4baa5d9bd603e8100ab