Analysis
- max time kernel
130s - max time network
122s - platform
windows10_x64 - resource
win10-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 3 IoCs
resource yara_rule behavioral2/memory/2060-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2060-125-0x000000000043761E-mapping.dmp family_agenttesla behavioral2/memory/2060-130-0x0000000005510000-0x0000000005A0E000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\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-1-5-21-2481030822-2828258191-1606198294-1000\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 2176 set thread context of 2060 2176 70654 SSEBACT.exe 72 - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2176 70654 SSEBACT.exe 2176 70654 SSEBACT.exe 2176 70654 SSEBACT.exe 2176 70654 SSEBACT.exe 2060 RegSvcs.exe 2060 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2176 70654 SSEBACT.exe Token: SeDebugPrivilege 2060 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2176 wrote to memory of 2624 2176 70654 SSEBACT.exe 71 PID 2176 wrote to memory of 2624 2176 70654 SSEBACT.exe 71 PID 2176 wrote to memory of 2624 2176 70654 SSEBACT.exe 71 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 PID 2176 wrote to memory of 2060 2176 70654 SSEBACT.exe 72 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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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:2176 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2624
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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:2060
-