4a386815be0781d9ec8defe96bf6818f196b28a1c484357733b13bd8804f2f85

Resubmissions

03-02-2023 17:43

230203-wa1m5agd53 9

03-02-2023 17:32

230203-v4ky4abg91 3

Analysis

max time kernel
285s
max time network
319s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03-02-2023 17:32

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General

Target

WS.Filmora.11.7.3.814.w64.rar
Size

471.9MB
MD5

4c80d5d58c201cb78fd5af10000cf85d
SHA1

041356b6fee6ebcde2a769c43d3c99afa22f5c6d
SHA256

4a386815be0781d9ec8defe96bf6818f196b28a1c484357733b13bd8804f2f85
SHA512

3240123d22aeeca127b75804657ef83882738f77ec6beaec4a41a860d2e2b02395ea73857e15b9b225d0a3c922c5b918bdfadd408a89e43884b0f61206dcad27
SSDEEP

12582912:MZDK+XshsBiG+0e5yb/ORHC0WO9sjzUV4s7AesKarfAn1eqtlju:EDK+cSiGR5b/wi0W0lV1Mes1Angula

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	7zG.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	7zG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	7zG.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	7zG.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5092	7zG.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeRestorePrivilege	5092	7zG.exe
Token: 35	5092	7zG.exe
Token: SeSecurityPrivilege	5092	7zG.exe
Token: SeSecurityPrivilege	5092	7zG.exe
Token: SeRestorePrivilege	4452	7zG.exe
Token: 35	4452	7zG.exe
Token: SeSecurityPrivilege	4452	7zG.exe
Token: SeSecurityPrivilege	4452	7zG.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5092	7zG.exe
5092	7zG.exe
4452	7zG.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3480	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\WS.Filmora.11.7.3.814.w64.rar
1⤵
- Modifies registry class
PID:3496

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3480

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:516

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\WS.Filmora.11.7.3.814.w64\" -ad -an -ai#7zMap31443:130:7zEvent12790
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5092

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\WS.Filmora.11.7.3.814.w64\" -ad -an -ai#7zMap21543:130:7zEvent7152
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

Filesize
28KB

MD5
0028c5c8f83da5fc83c0776186db2188

SHA1
6158a26d27aef059b7d1917f22dc090f3a28e0d2

SHA256
3c7a8ea05e4677cca5266e781a92f6cb8e56dcc642fead97738cbf2ddb65f981

SHA512
d451191c4d2370693c077172b9011345cbb36e3507dc4b3f306929b22d982f0cfa75effc78d4f4829c36ccc39fe86166e2f265e1052d5721c0bb41c2b8bf5d23

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