Analysis
-
max time kernel
128s -
max time network
123s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
21-10-2021 13:52
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT BANK INSTRUCTIONS COPY.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
PAYMENT BANK INSTRUCTIONS COPY.exe
Resource
win10-en-20210920
General
-
Target
PAYMENT BANK INSTRUCTIONS COPY.exe
-
Size
478KB
-
MD5
3087381212aa30da9121ca4fce4dc49c
-
SHA1
d705ee1d3e4be5523d137bafbd4ea87f7c77f057
-
SHA256
0ba4135b330637a98320e9ee0655cd3fa0423998e9fdf54b0e8e0ac85ba0f93f
-
SHA512
4f07a2c6b7b9e4ee31d2133dfb420782a23b23d96c34197cadc2003d765ad46a4bd99231e01494ca918edcfbba0a67201934aae7fd03c1f6a42f119f9560c61b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
sg2plcpnl0023.prod.sin2.secureserver.net - Port:
587 - Username:
nbsupports@seshsupports.com - Password:
User@40378
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1464-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1464-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1464-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1464-65-0x000000000043760E-mapping.dmp family_agenttesla behavioral1/memory/1464-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PAYMENT BANK INSTRUCTIONS COPY.exedescription pid process target process PID 1888 set thread context of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PAYMENT BANK INSTRUCTIONS COPY.exeRegSvcs.exepid process 1888 PAYMENT BANK INSTRUCTIONS COPY.exe 1888 PAYMENT BANK INSTRUCTIONS COPY.exe 1464 RegSvcs.exe 1464 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PAYMENT BANK INSTRUCTIONS COPY.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1888 PAYMENT BANK INSTRUCTIONS COPY.exe Token: SeDebugPrivilege 1464 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
PAYMENT BANK INSTRUCTIONS COPY.exedescription pid process target process PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe PID 1888 wrote to memory of 1464 1888 PAYMENT BANK INSTRUCTIONS COPY.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT BANK INSTRUCTIONS COPY.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT BANK INSTRUCTIONS COPY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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/1464-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-69-0x0000000004B31000-0x0000000004B32000-memory.dmpFilesize
4KB
-
memory/1464-68-0x0000000004B30000-0x0000000004B31000-memory.dmpFilesize
4KB
-
memory/1464-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1464-65-0x000000000043760E-mapping.dmp
-
memory/1888-54-0x00000000003E0000-0x00000000003E1000-memory.dmpFilesize
4KB
-
memory/1888-56-0x0000000075FA1000-0x0000000075FA3000-memory.dmpFilesize
8KB
-
memory/1888-59-0x0000000004DC0000-0x0000000004E18000-memory.dmpFilesize
352KB
-
memory/1888-58-0x0000000004E40000-0x0000000004E41000-memory.dmpFilesize
4KB
-
memory/1888-57-0x00000000004C0000-0x00000000004C7000-memory.dmpFilesize
28KB