Analysis
- max time kernel
124s - max time network
45s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
18/10/2021, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
70654 SSEBACT.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
70654 SSEBACT.exe
Resource
win10-en-20210920
0 signatures
0 seconds
General
- Target 70654 SSEBACT.exe
- Size 451KB
- Sample211018-d775csdhdp
- SHA256 192af07a83d42e824b8afc672e276e9f7906fc40c36776cb309e3d7762851206
- MD5 d4fbd30ce19b0d9632201fbfe9b9943d
- SHA1 f0dbe35cf51b8b1c909ec0ea5a8c1228986f36ab
- SHA512 562c44288f64e38af06f6a462ebbe5a51ae1b397095e30f6ae27fbf60dd499e9e015bd0facb2b82393b7c974e3cabe5a0ad32ce440401b5bfb21b068d56ec13c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.timsonlogisticske.com
-
Port
587
-
Username
-
Password
timsam2015
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
resource yara_rule behavioral1/memory/1392-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1392-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1392-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1392-64-0x000000000043761E-mapping.dmp family_agenttesla behavioral1/memory/1392-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process 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 Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description 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
description pid Process procid_target PID 1112 set thread context of 1392 1112 70654 SSEBACT.exe 29 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1112 70654 SSEBACT.exe 1112 70654 SSEBACT.exe 1392 RegSvcs.exe 1392 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1112 70654 SSEBACT.exe Token: SeDebugPrivilege 1392 RegSvcs.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 PID 1112 wrote to memory of 1392 1112 70654 SSEBACT.exe 29 - outlook_office_path 1 IoCs
description 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
description 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\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 WriteProcessMemory
PID:1112 -
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
PID:1392
-