Overview
overview
10Static
static
7IESecurity.dll
windows7-x64
6IESecurity.dll
windows10-2004-x64
6ProcMon.dll
windows7-x64
1ProcMon.dll
windows10-2004-x64
1SpySheriff.exe
windows7-x64
8SpySheriff.exe
windows10-2004-x64
7Uninstall.exe
windows7-x64
1Uninstall.exe
windows10-2004-x64
1heur000.dll
windows7-x64
1heur000.dll
windows10-2004-x64
1heur001.dll
windows7-x64
1heur001.dll
windows10-2004-x64
1heur002.dll
windows7-x64
4heur002.dll
windows10-2004-x64
4heur003.dll
windows7-x64
10heur003.dll
windows10-2004-x64
10Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 20:23
Behavioral task
behavioral1
Sample
IESecurity.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
IESecurity.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
ProcMon.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
ProcMon.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
SpySheriff.exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
SpySheriff.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
Uninstall.exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
Uninstall.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
heur000.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
heur000.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
heur001.dll
Resource
win7-20240419-en
Behavioral task
behavioral12
Sample
heur001.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
heur002.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
heur002.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
heur003.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
heur003.dll
Resource
win10v2004-20240508-en
General
-
Target
heur001.dll
-
Size
124KB
-
MD5
840c8e9d2aaccc87d6dad1d409e45a10
-
SHA1
41be046bf69a7a5bbf27b224554f42d81f5c9c47
-
SHA256
68fe6616070f5d5d20b12ff020a6197ae93a93ae06d24bf6e872cc35862f758f
-
SHA512
ed9bf5b7252e26035e1c5779f7f4a065315970e206dc23463cc7dec07a0e890e0757c757a6ff4d910cff639b911b54b20acd488a2190dcc4ee29628b39eb4012
-
SSDEEP
3072:WPJLnHOfXoAwOSxoPMVsf0nQla8vxgs2N+r3r+f:WPeRgPvSCsDr3r+f
Malware Config
Signatures
-
Modifies registry class 3 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3008 wrote to memory of 3004 3008 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 1580 3004 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\heur001.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\heur001.dll,#12⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 /u iesplugin.dll3⤵