Analysis
- max time kernel
113s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
21/04/2022, 12:33
Static task
static1
Behavioral task
behavioral1
Sample
mezx.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target mezx.exe
- Size 448KB
- Sample220421-pq62hsafgr
- SHA256 e467de436bdab4d5135f3e96abe24eb7b912e9b8024dc020b39c0e5df4745304
- MD5 1a7e2971b44a9c12e9e4d2c1cc68a40c
- SHA1 4898cb1f3d6e3cb28713240bbc3f8ac66f0f4676
- SHA512 92f6cb5987f7f7687baeb54a0cfe870066abf8838251fcaf714b9eb266c62b5e94db9f43e2d5c92e2839e0f7add1c4c90fe0b932ac06feb5167523800df8b5a9
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
lokibot
C2
-
http://45.133.1.45/me/five/fre.php
-
http://kbfvzoboss.bid/alien/fre.php
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http://alphastand.trade/alien/fre.php
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http://alphastand.win/alien/fre.php
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http://alphastand.top/alien/fre.php
Signatures
- suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot Checkin
- suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mezx.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook mezx.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mezx.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4120 set thread context of 60 4120 mezx.exe 81 - Suspicious behavior: RenamesItself 1 IoCs
pid Process 60 mezx.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 60 mezx.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 PID 4120 wrote to memory of 60 4120 mezx.exe 81 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mezx.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mezx.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\mezx.exe"C:\Users\Admin\AppData\Local\Temp\mezx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Users\Admin\AppData\Local\Temp\mezx.exe"C:\Users\Admin\AppData\Local\Temp\mezx.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:60
-