Analysis
-
max time kernel
44s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 10:12
Static task
static1
Behavioral task
behavioral1
Sample
97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe
Resource
win7-20220901-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe
Resource
win10v2004-20221111-en
4 signatures
150 seconds
General
-
Target
97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe
-
Size
44KB
-
MD5
9f53ab717beaddabda54b07009e9e914
-
SHA1
099de3d4a70b965193319925ded171e95b85b164
-
SHA256
97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0
-
SHA512
b05659f54db7ed28feae455fec178b071e04c7fdbf937f737dffb1ab4b338f699fceda1b4d2a99a601841c45c90b9fb0e54a02614018281798d8b895a6efcac4
-
SSDEEP
768:onUelyIkjbMn1Z1FBZfC+DIJk/qXjxIkjWw:onUeojbMAoCjLjWw
Score
10/10
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\WINDOWS\\Config\\csrss.exe" 97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\WINDOWS\SysWOW64\MSWINSCK.OCX 97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\WINDOWS\Config\csrss.exe 97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe File created C:\WINDOWS\Config\csrss.exe 97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1184 97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe"C:\Users\Admin\AppData\Local\Temp\97a03a0f92c3446280e811b5f966f367366b00c33611add9d3ffebf69d6139e0.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:1184