4cdb5a1fbe2b961c6ee7aa63411a44eee1d86671053ba877c2a5d4e3fcb673eb

Analysis

max time kernel
159s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 01:56

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General

Target

workwinScreen/Ӷ(Ա)/ⰲװɫ/WorkWintv.exe
Size

308KB
MD5

c1fc8c1681f87a3534a36ecae5da85dd
SHA1

9e97bd91c97deb0a2e958911c8941482458032b4
SHA256

587ad15bb2ff490aff122b27114cd0a50d89c54c3c4bdb75c1007bc618a739e5
SHA512

bc6522467b5240bddf2bb879ecec458fae8ab107016c47e5ea75bc46bd474c672f9ac01181627109261aae470dc814876b69e8141c6e7f0a56bc4e9e740347e7
SSDEEP

6144:wGPWPDwoEPePaPNOGCft2oSj3AO9dqj0AKrlIFHAuP6:w9D82CDQooSX9owAKrgH

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MsWWintv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\workwinScreen\\???????(?????)\\????????\\WorkWintv.exe"	WorkWintv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MsWWintv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\workwinScreen\\???????(?????)\\????????\\WorkWintv.exe"	WorkWintv.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2228	WorkWintv.exe
2228	WorkWintv.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2228	WorkWintv.exe
2228	WorkWintv.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2228	WorkWintv.exe
2228	WorkWintv.exe
2228	WorkWintv.exe

C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\ⰲװɫ\WorkWintv.exe
"C:\Users\Admin\AppData\Local\Temp\workwinScreen\Ӷ(Ա)\ⰲװɫ\WorkWintv.exe"
1⤵
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:5268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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