Analysis
- max time kernel
141s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/03/2022, 08:57
Static task
static1
Behavioral task
behavioral1
Sample
(引用).exe
Resource
win7-20220311-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
(引用).exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target (引用).exe
- Size 10KB
- Sample220321-kwlkjsahgr
- SHA256 5de3a725e202d9b3135102036a2d460cf6a00eed4e4839af7577cd6e00743752
- MD5 e9277576e2241c80448a4e5c08edeeac
- SHA1 c779297474de13a71ee1ebf47201d2dbf60e462e
- SHA512 c4299fe192759040c5be7f8980f4ed6bbc73385fc8c616aaafd86bb251e34d97bd3faea56079d609b848c27c6a6f9e20ced5035b67c3296f78da4d9a7eb2b05b
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.kosmen.vn
-
Port
587
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Username
-
Password
Kosmen.2021
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.kosmen.vn
-
Port
587
-
Username
-
Password
Kosmen.2021
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kliovxtpt = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bvotv\\Kliovxtpt.exe\"" (引用).exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" MSBuild.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2492 set thread context of 1308 2492 (引用).exe 87 - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2492 (引用).exe 2492 (引用).exe 2492 (引用).exe 2492 (引用).exe 2492 (引用).exe 2492 (引用).exe 1308 MSBuild.exe 1308 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2492 (引用).exe Token: SeDebugPrivilege 1308 MSBuild.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1308 MSBuild.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2492 wrote to memory of 4972 2492 (引用).exe 86 PID 2492 wrote to memory of 4972 2492 (引用).exe 86 PID 2492 wrote to memory of 4972 2492 (引用).exe 86 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 PID 2492 wrote to memory of 1308 2492 (引用).exe 87 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\(引用).exe"C:\Users\Admin\AppData\Local\Temp\(引用).exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵PID:4972
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1308
-