Overview
overview
10Static
static
7SpySheriff.zip
windows7-x64
1SpySheriff.zip
windows10-2004-x64
1IESecurity.dll
windows7-x64
6IESecurity.dll
windows10-2004-x64
6ProcMon.dll
windows7-x64
1ProcMon.dll
windows10-2004-x64
1ReadME.txt
windows7-x64
1ReadME.txt
windows10-2004-x64
1SpySheriff.dvm
windows7-x64
3SpySheriff.dvm
windows10-2004-x64
3SpySheriff.exe
windows7-x64
7SpySheriff.exe
windows10-2004-x64
8Uninstall.exe
windows7-x64
1Uninstall.exe
windows10-2004-x64
1base.avd
windows7-x64
3base.avd
windows10-2004-x64
3base001.avd
windows7-x64
3base001.avd
windows10-2004-x64
3base002.avd
windows7-x64
3base002.avd
windows10-2004-x64
3found.wav
windows7-x64
1found.wav
windows10-2004-x64
6heur000.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
10notfound.wav
windows7-x64
1notfound.wav
windows10-2004-x64
6Analysis
-
max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
23-04-2024 14:29
Behavioral task
behavioral1
Sample
SpySheriff.zip
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SpySheriff.zip
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
IESecurity.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
IESecurity.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral5
Sample
ProcMon.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
ProcMon.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
ReadME.txt
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
ReadME.txt
Resource
win10v2004-20240412-en
Behavioral task
behavioral9
Sample
SpySheriff.dvm
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
SpySheriff.dvm
Resource
win10v2004-20240412-en
Behavioral task
behavioral11
Sample
SpySheriff.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
SpySheriff.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral13
Sample
Uninstall.exe
Resource
win7-20240215-en
Behavioral task
behavioral14
Sample
Uninstall.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
base.avd
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
base.avd
Resource
win10v2004-20240412-en
Behavioral task
behavioral17
Sample
base001.avd
Resource
win7-20240220-en
Behavioral task
behavioral18
Sample
base001.avd
Resource
win10v2004-20240412-en
Behavioral task
behavioral19
Sample
base002.avd
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
base002.avd
Resource
win10v2004-20240412-en
Behavioral task
behavioral21
Sample
found.wav
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
found.wav
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
heur000.dll
Resource
win7-20240215-en
Behavioral task
behavioral24
Sample
heur000.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral25
Sample
heur001.dll
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
heur001.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral27
Sample
heur002.dll
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
heur002.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral29
Sample
heur003.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
heur003.dll
Resource
win10v2004-20240412-en
Behavioral task
behavioral31
Sample
notfound.wav
Resource
win7-20240220-en
Behavioral task
behavioral32
Sample
notfound.wav
Resource
win10v2004-20240412-en
General
-
Target
heur000.dll
-
Size
124KB
-
MD5
ca4822789da674e2ae4658ee4250adb5
-
SHA1
58c3f3f15781cd775ce485f5c4d392b31bdbbe10
-
SHA256
16e8d6dc3e1c3562f8f7e98d492c152965fc08d7cc57e3846e35de11af49092e
-
SHA512
7022c63c100acc1cd2083f051ce37baa8a8e1dd1fad7c76e0ff90e05fc1c59356f9e2ae09402ca4f91bafece0c9ee52af804c52f05e6453d42bf3816542a61d7
-
SSDEEP
3072:prQm5MC1bRoAwOSxoPMVsf0nQla8vxgs2N+r3rk:Km53RRgPvSCsDr3r
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 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe PID 2220 wrote to memory of 2300 2220 rundll32.exe rundll32.exe