Analysis
-
max time kernel
175s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:21
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20220414-en
General
-
Target
Purchase Order.exe
-
Size
455KB
-
MD5
0de607d7e44900630a03902716cde06d
-
SHA1
2996fc9fd8b2b09c56b26cfa675acfabe8ae9139
-
SHA256
6567bac453fabf7e0049d881db8ee06561d7aee2262b8181c8e8788a3e18999d
-
SHA512
93577c57782f91cfd88feee3746bae75a051d31aceb64b8291d5b8ecedc520e75473aedbd4ca9903a91bdd4aec3ebb33dd30d2bc37670ef843bc9c4b9443579f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.threewaystoharems.com - Port:
587 - Username:
[email protected] - Password:
sales@123456
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2044-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-64-0x000000000044737E-mapping.dmp family_agenttesla behavioral1/memory/2044-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-68-0x0000000000400000-0x000000000044C000-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:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Purchase Order.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Purchase Order.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 952 set thread context of 2044 952 Purchase Order.exe Purchase Order.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
Purchase Order.exePurchase Order.exepid process 952 Purchase Order.exe 952 Purchase Order.exe 952 Purchase Order.exe 952 Purchase Order.exe 952 Purchase Order.exe 2044 Purchase Order.exe 2044 Purchase Order.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Purchase Order.exepid process 2044 Purchase Order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchase Order.exePurchase Order.exedescription pid process Token: SeDebugPrivilege 952 Purchase Order.exe Token: SeDebugPrivilege 2044 Purchase Order.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 952 wrote to memory of 2040 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2040 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2040 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2040 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe PID 952 wrote to memory of 2044 952 Purchase Order.exe Purchase Order.exe -
outlook_office_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"{path}"2⤵
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/952-54-0x0000000000070000-0x00000000000E8000-memory.dmpFilesize
480KB
-
memory/952-55-0x0000000000380000-0x000000000038A000-memory.dmpFilesize
40KB
-
memory/952-56-0x0000000001FB0000-0x0000000002018000-memory.dmpFilesize
416KB
-
memory/952-57-0x0000000004EC0000-0x0000000004F0C000-memory.dmpFilesize
304KB
-
memory/2044-58-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-61-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-64-0x000000000044737E-mapping.dmp
-
memory/2044-66-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-68-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/2044-69-0x00000000755C1000-0x00000000755C3000-memory.dmpFilesize
8KB