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
-
max time kernel
290s -
max time network
126s -
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
-
Target
xxx_video_87279.avi.exe.vir.exe
-
Size
47KB
-
MD5
a5fe0efa78b0b70bfe86b62f55cf8ba6
-
SHA1
39a3c0aa0795d2d81cba8e998735b2df77eadea5
-
SHA256
d29dac501b57a07abdc2f7da0550fffa9ed321d228b50235eb76ccb248f0d4e9
-
SHA512
b01378c32c893ea5a7c0c892515fd93ef005b867df86ab0896bb15b7b06b71d1e1acad009c330a8e943378f579615370b6c3966d46c83d883773cff9970233a1
-
SSDEEP
768:Vtr+TB0qJUvzy7idWzLql4Ha71YpJaskLnkKDakY2S1MDiuk:v+8v2gWnCcaJEUKR2Ov
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
xxx_video_87279.avi.exe.vir.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\xxx_video_87279.avi.exe.vir.exe" xxx_video_87279.avi.exe.vir.exe -
Processes:
resource yara_rule behavioral19/memory/2420-0-0x0000000000400000-0x0000000000428000-memory.dmp upx -
Drops file in Windows directory 1 IoCs
Processes:
xxx_video_87279.avi.exe.vir.exedescription ioc process File opened for modification C:\Windows\win.ini xxx_video_87279.avi.exe.vir.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
xxx_video_87279.avi.exe.vir.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xxx_video_87279.avi.exe.vir.exe -
Processes:
xxx_video_87279.avi.exe.vir.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\startingp = "89164902338" xxx_video_87279.avi.exe.vir.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
xxx_video_87279.avi.exe.vir.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" xxx_video_87279.avi.exe.vir.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System xxx_video_87279.avi.exe.vir.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\xxx_video_87279.avi.exe.vir.exe"C:\Users\Admin\AppData\Local\Temp\xxx_video_87279.avi.exe.vir.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- System policy modification
PID:2420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
17KB
MD5c9546ac0af035fd095164c1e36171f54
SHA1c715ed1a3c583fe7deb5cf2f697e62b9376bd5dd
SHA256066d191cf79e0ed307e8c3e4de878a40b824053231f0758639ccc71093e61d71
SHA512af85d528dcbea912708164750ea846e7e59781383bbb9ff83d8ba1e788c81fdfb8bdeeb7d690dd14b76bb840445058e155d9ad6f6ec4d9ab4c2ef5a3545ea4cd