Overview
overview
10Static
static
10VSNKLGuzoF...2).exe
windows7-x64
3VSNKLGuzoF...5w.exe
windows7-x64
3VideoCodeCX.exe
windows7-x64
10WcsPlugInS...ex.exe
windows7-x64
5WinLocker Builder.exe
windows7-x64
5WinLocker_Builder.exe
windows7-x64
5_003E0000.exe.vir.exe
windows7-x64
9vmem02.exe
windows7-x64
3w8i9eHkHOwWwQlX.exe
windows7-x64
3wpbt0.exe
windows7-x64
10xpiofrbtkzhr.exe
windows7-x64
xxx_video (2).exe
windows7-x64
7xxx_video.exe
windows7-x64
5xxx_video_...vi.exe
windows7-x64
10xxx_video_...ir.exe
windows7-x64
10xxx_video_...ir.exe
windows7-x64
10xxx_video_...ir.exe
windows7-x64
10xxx_video_...vi.exe
windows7-x64
10xxx_video_...ir.exe
windows7-x64
10zcrypt.exe
windows7-x64
7{71257279-...a}.exe
windows7-x64
10Analysis
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max time kernel
300s -
max time network
303s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-11-2024 03:41
Behavioral task
behavioral1
Sample
VSNKLGuzoFJgFHyEI15w (2).exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
VSNKLGuzoFJgFHyEI15w.exe
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
VideoCodeCX.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
WcsPlugInService.ex.exe
Resource
win7-20241010-en
Behavioral task
behavioral5
Sample
WinLocker Builder.exe
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
WinLocker_Builder.exe
Resource
win7-20240903-en
Behavioral task
behavioral7
Sample
_003E0000.exe.vir.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
vmem02.exe
Resource
win7-20240903-en
Behavioral task
behavioral9
Sample
w8i9eHkHOwWwQlX.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
wpbt0.exe
Resource
win7-20241023-en
Behavioral task
behavioral11
Sample
xpiofrbtkzhr.exe
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
xxx_video (2).exe
Resource
win7-20240903-en
Behavioral task
behavioral13
Sample
xxx_video.exe
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
xxx_video_26726.avi.exe
Resource
win7-20240903-en
Behavioral task
behavioral15
Sample
xxx_video_35942.avi.exe.vir.exe
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
xxx_video_35942.avi_unpacked_.exe.vir.exe
Resource
win7-20240708-en
Behavioral task
behavioral17
Sample
xxx_video_73240.avi____.exe.vir.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
xxx_video_77498.avi.exe
Resource
win7-20241010-en
Behavioral task
behavioral19
Sample
xxx_video_87279.avi.exe.vir.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
zcrypt.exe
Resource
win7-20240903-en
Behavioral task
behavioral21
Sample
{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe
Resource
win7-20240903-en
General
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Target
{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe
-
Size
338KB
-
MD5
04fb36199787f2e3e2135611a38321eb
-
SHA1
65559245709fe98052eb284577f1fd61c01ad20d
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SHA256
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
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SHA512
533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
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SSDEEP
6144:sWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC:sWkEuCaNT85I2vCMX5l+ZRv
Malware Config
Signatures
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CryptoLocker
Ransomware family with multiple variants.
-
Cryptolocker family
-
Deletes itself 1 IoCs
Processes:
{34184A33-0407-212E-3320-09040709E2C2}.exepid process 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Executes dropped EXE 2 IoCs
Processes:
{34184A33-0407-212E-3320-09040709E2C2}.exe{34184A33-0407-212E-3320-09040709E2C2}.exepid process 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe 2284 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Loads dropped DLL 2 IoCs
Processes:
{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe{34184A33-0407-212E-3320-09040709E2C2}.exepid process 2904 {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
{34184A33-0407-212E-3320-09040709E2C2}.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe" {34184A33-0407-212E-3320-09040709E2C2}.exe -
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.
Processes:
{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe{34184A33-0407-212E-3320-09040709E2C2}.exe{34184A33-0407-212E-3320-09040709E2C2}.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {34184A33-0407-212E-3320-09040709E2C2}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {34184A33-0407-212E-3320-09040709E2C2}.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe{34184A33-0407-212E-3320-09040709E2C2}.exedescription pid process target process PID 2904 wrote to memory of 2384 2904 {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2904 wrote to memory of 2384 2904 {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2904 wrote to memory of 2384 2904 {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2904 wrote to memory of 2384 2904 {71257279-042b-371d-a1d3-fbf8d2fadffa}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2384 wrote to memory of 2284 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2384 wrote to memory of 2284 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2384 wrote to memory of 2284 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe PID 2384 wrote to memory of 2284 2384 {34184A33-0407-212E-3320-09040709E2C2}.exe {34184A33-0407-212E-3320-09040709E2C2}.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe"C:\Users\Admin\AppData\Local\Temp\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w000000C83⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2284
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-
Network
MITRE ATT&CK Enterprise v15
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Downloads
-
Filesize
338KB
MD504fb36199787f2e3e2135611a38321eb
SHA165559245709fe98052eb284577f1fd61c01ad20d
SHA256d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
SHA512533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444