Analysis
- max time kernel
94s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
07/08/2024, 00:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
Resource
win7-20240704-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
Resource
win10v2004-20240802-en
7 signatures
150 seconds
General
- Target 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
- Size 4.2MB
- Sample240807-avs8wsvgrk
- SHA256 61b0a39405d071a95d7a8302b308cbf65ce4db0df029efea1af8a24ae9a94ca4
- MD5 6eb0509c8c7caa0e85c02afcb954e370
- SHA1 e13e787aac6abc8e9f5d126239ed5e012090827b
- SHA512 e55e50483f947b68b30e6d317c038a0dec4197fb96b5547aef5dd6f8679bf1486a6408479643b0e36d42effc8f58e4901135bc9070f523d421db0701e40bc53e
- SSDEEP 98304:MU65he7IdCb40s58A9QmAJPZoW3D12oRRYIa2KS+bnoGgH25leG9v/krAr1KwH:B65hQmed3REeGh/kUr1K8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2380 created 2996 2380 csc.exe 50 - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UTorrent = "C:\\Users\\Admin\\Pictures\\UTorrent\\UTorrent.exe" 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2388 set thread context of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language openwith.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2380 csc.exe 2380 csc.exe 744 openwith.exe 744 openwith.exe 744 openwith.exe 744 openwith.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 PID 2388 wrote to memory of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 PID 2388 wrote to memory of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 PID 2388 wrote to memory of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 PID 2388 wrote to memory of 2380 2388 2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe 86 PID 2380 wrote to memory of 744 2380 csc.exe 87 PID 2380 wrote to memory of 744 2380 csc.exe 87 PID 2380 wrote to memory of 744 2380 csc.exe 87 PID 2380 wrote to memory of 744 2380 csc.exe 87 PID 2380 wrote to memory of 744 2380 csc.exe 87
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2996
-
C:\Windows\SysWOW64\openwith.exe"C:\Windows\system32\openwith.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:744
-
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C:\Users\Admin\AppData\Local\Temp\2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2380
-