Analysis
-
max time kernel
155s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:39
Static task
static1
Behavioral task
behavioral1
Sample
m.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
m.exe
Resource
win10v2004-20220414-en
General
-
Target
m.exe
-
Size
483KB
-
MD5
28c050fb50ef0099f20bb70ff0a67da1
-
SHA1
c445b687ffe5a725582da71502984ba7944ef148
-
SHA256
41401278ff415b94769fc39e72450ae5f510f1097a90e650ac3ab417159b2925
-
SHA512
a651c1d1765af1d69aed4aedf4d81bd0ccc4d77b38cdbe04629e1972c8e93751287b2eef6122fafb2bb644e919fb4a7e517d876311cd37edf2694f494f0675a6
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
arseno.murphy@yandex.com - Password:
legend1234$$
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
arseno.murphy@yandex.com - Password:
legend1234$$
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/908-138-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
m.exedescription pid process target process PID 3672 set thread context of 908 3672 m.exe m.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
m.exem.exepid process 3672 m.exe 908 m.exe 908 m.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
m.exepid process 908 m.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
m.exem.exedescription pid process Token: SeDebugPrivilege 3672 m.exe Token: SeDebugPrivilege 908 m.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
m.exepid process 908 m.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
m.exedescription pid process target process PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe PID 3672 wrote to memory of 908 3672 m.exe m.exe -
outlook_office_path 1 IoCs
Processes:
m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m.exe -
outlook_win_path 1 IoCs
Processes:
m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\m.exe"C:\Users\Admin\AppData\Local\Temp\m.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\m.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/908-137-0x0000000000000000-mapping.dmp
-
memory/908-138-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/908-139-0x0000000005F90000-0x0000000005FF6000-memory.dmpFilesize
408KB
-
memory/908-140-0x00000000062F0000-0x0000000006340000-memory.dmpFilesize
320KB
-
memory/3672-130-0x0000000000610000-0x0000000000690000-memory.dmpFilesize
512KB
-
memory/3672-131-0x00000000054F0000-0x0000000005A94000-memory.dmpFilesize
5.6MB
-
memory/3672-132-0x0000000005030000-0x00000000050C2000-memory.dmpFilesize
584KB
-
memory/3672-133-0x00000000050E0000-0x00000000050EA000-memory.dmpFilesize
40KB
-
memory/3672-134-0x0000000005160000-0x0000000005172000-memory.dmpFilesize
72KB
-
memory/3672-135-0x00000000051C0000-0x00000000051E2000-memory.dmpFilesize
136KB
-
memory/3672-136-0x0000000008BD0000-0x0000000008C6C000-memory.dmpFilesize
624KB