Analysis
-
max time kernel
132s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 09:46
Static task
static1
Behavioral task
behavioral1
Sample
70654 SSEBACT.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
70654 SSEBACT.exe
Resource
win10v2004-20240226-en
General
-
Target
70654 SSEBACT.exe
-
Size
389KB
-
MD5
54ad9166b1a65288183c4ee3a5fd0750
-
SHA1
36fad28b8c9b45a7b90c3f2fd4e5785b859e48ae
-
SHA256
faaa464df297e2bda628f86354e76da115e88941ec92386302a6cac74fecfca0
-
SHA512
3b9a58297ac116f94e8728a660cbb963c00722acb3c202ad23f7133eac2368bdbf665c32a1fa10b6f122dd5058113f54ed64fbfdfc1be66f7a701453aef59eba
-
SSDEEP
12288:tjlvy1zJ2WI3v+s41pAmvZxJXwM9ZaoxU8U:twZTIWs4ZpwMzlxU8U
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.timsonlogisticske.com - Port:
587 - Username:
info@timsonlogisticske.com - Password:
timsam2015
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1576-14-0x0000000000400000-0x000000000043C000-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-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
70654 SSEBACT.exedescription pid process target process PID 916 set thread context of 1576 916 70654 SSEBACT.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
70654 SSEBACT.exeRegSvcs.exepid process 916 70654 SSEBACT.exe 916 70654 SSEBACT.exe 1576 RegSvcs.exe 1576 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
70654 SSEBACT.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 916 70654 SSEBACT.exe Token: SeDebugPrivilege 1576 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
70654 SSEBACT.exepid process 916 70654 SSEBACT.exe 916 70654 SSEBACT.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
70654 SSEBACT.exedescription pid process target process PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe PID 916 wrote to memory of 1576 916 70654 SSEBACT.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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 v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/916-12-0x0000000006190000-0x000000000622C000-memory.dmpFilesize
624KB
-
memory/916-17-0x0000000074ED0000-0x0000000075680000-memory.dmpFilesize
7.7MB
-
memory/916-2-0x0000000005540000-0x0000000005AE4000-memory.dmpFilesize
5.6MB
-
memory/916-3-0x0000000004F90000-0x0000000005022000-memory.dmpFilesize
584KB
-
memory/916-4-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
-
memory/916-5-0x0000000004F30000-0x0000000004F3A000-memory.dmpFilesize
40KB
-
memory/916-6-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
-
memory/916-7-0x0000000008590000-0x000000000859E000-memory.dmpFilesize
56KB
-
memory/916-8-0x0000000074ED0000-0x0000000075680000-memory.dmpFilesize
7.7MB
-
memory/916-9-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
-
memory/916-10-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
-
memory/916-11-0x0000000004F00000-0x0000000004F10000-memory.dmpFilesize
64KB
-
memory/916-0-0x00000000004A0000-0x0000000000508000-memory.dmpFilesize
416KB
-
memory/916-13-0x00000000062E0000-0x0000000006340000-memory.dmpFilesize
384KB
-
memory/916-1-0x0000000074ED0000-0x0000000075680000-memory.dmpFilesize
7.7MB
-
memory/1576-16-0x0000000074ED0000-0x0000000075680000-memory.dmpFilesize
7.7MB
-
memory/1576-14-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
-
memory/1576-18-0x00000000050B0000-0x00000000050C0000-memory.dmpFilesize
64KB
-
memory/1576-19-0x0000000005100000-0x0000000005118000-memory.dmpFilesize
96KB
-
memory/1576-20-0x0000000005E60000-0x0000000005EC6000-memory.dmpFilesize
408KB
-
memory/1576-22-0x0000000074ED0000-0x0000000075680000-memory.dmpFilesize
7.7MB
-
memory/1576-23-0x00000000050B0000-0x00000000050C0000-memory.dmpFilesize
64KB
-
memory/1576-25-0x0000000006020000-0x0000000006070000-memory.dmpFilesize
320KB
-
memory/1576-26-0x00000000050B0000-0x00000000050C0000-memory.dmpFilesize
64KB