766653b6e5db8d5ffc46735bc95d73aa75ec2e3776136076f76a1fd6483518c5

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 23:48

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General

Target

Vievsp.dll
Size

583KB
MD5

e57ccafa9f8c49657073add0d0536e42
SHA1

77e9056492e97c49ea2bd9294abcfc03eeee0772
SHA256

766653b6e5db8d5ffc46735bc95d73aa75ec2e3776136076f76a1fd6483518c5
SHA512

1f923e2c3e31fa923fe51082fad57c2abb4b1f82f31919ecc010066354d2af8202d9e79a1864fa586145efd891b37287619abb39ec3c3930be86d0f05d496885
SSDEEP

12288:pjan3B7+2BoGEwYXorDxBDWgyv9cii8VPezCTr:Mn3B7+2ByJo/DWz9cS2zW

Score

1^/10

Malware Config

Signatures

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\CLSID\{9BD99FFF-5803-A42B-49A2-AB57A7DD2A12}	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\CLSID\{9BD99FFF-5803-A42B-49A2-AB57A7DD2A12}\ = 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	regsvr32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Vievsp.dll
1⤵
- Modifies registry class
PID:1932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab758F.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
memory/1932-1-0x0000000000120000-0x000000000016F000-memory.dmp

Filesize
316KB

Download
memory/1932-2-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download
memory/1932-8-0x0000000000120000-0x000000000016F000-memory.dmp

Filesize
316KB

Download
memory/1932-9-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download
memory/1932-10-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download
memory/1932-30-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download
memory/1932-31-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download
memory/1932-33-0x0000000001D00000-0x0000000001D4C000-memory.dmp

Filesize
304KB

Download