hxxps://cdn[.]discordapp[.]com/attachments/1300886873148756050/1300960864043663533/winws[.]exe?ex=6722bdb8&is=67216c38&hm=6421a3d612c9b6c41279c7a97310aba4b86dbc69dc16a3bc8027d28cde7073e8&

Analysis

max time kernel
113s
max time network
40s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/10/2024, 23:14

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General

Target

https://cdn.discordapp.com/attachments/1300886873148756050/1300960864043663533/winws.exe?ex=6722bdb8&is=67216c38&hm=6421a3d612c9b6c41279c7a97310aba4b86dbc69dc16a3bc8027d28cde7073e8&

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2164	winws.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winws.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = e02f9352582adb01	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\DownloadWindowPlacement = 2c0000000200000000000000ffffffffffffffffffffffffffffffff100100003d000000900300001d020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8CFC6701-964B-11EF-8F1B-EAF933E40231} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2244	iexplore.exe
2244	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2244	iexplore.exe
2244	iexplore.exe
2720	IEXPLORE.EXE
2720	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2720	2244	iexplore.exe	30
PID 2244 wrote to memory of 2720	2244	iexplore.exe	30
PID 2244 wrote to memory of 2720	2244	iexplore.exe	30
PID 2244 wrote to memory of 2720	2244	iexplore.exe	30
PID 2244 wrote to memory of 2164	2244	iexplore.exe	32
PID 2244 wrote to memory of 2164	2244	iexplore.exe	32
PID 2244 wrote to memory of 2164	2244	iexplore.exe	32
PID 2244 wrote to memory of 2164	2244	iexplore.exe	32
PID 2164 wrote to memory of 2200	2164	winws.exe	33
PID 2164 wrote to memory of 2200	2164	winws.exe	33
PID 2164 wrote to memory of 2200	2164	winws.exe	33
PID 2164 wrote to memory of 2200	2164	winws.exe	33
PID 2164 wrote to memory of 2816	2164	winws.exe	34
PID 2164 wrote to memory of 2816	2164	winws.exe	34
PID 2164 wrote to memory of 2816	2164	winws.exe	34
PID 2164 wrote to memory of 2816	2164	winws.exe	34
PID 2164 wrote to memory of 1784	2164	winws.exe	35
PID 2164 wrote to memory of 1784	2164	winws.exe	35
PID 2164 wrote to memory of 1784	2164	winws.exe	35
PID 2164 wrote to memory of 1784	2164	winws.exe	35
PID 2164 wrote to memory of 2908	2164	winws.exe	36
PID 2164 wrote to memory of 2908	2164	winws.exe	36
PID 2164 wrote to memory of 2908	2164	winws.exe	36
PID 2164 wrote to memory of 2908	2164	winws.exe	36
PID 2164 wrote to memory of 1004	2164	winws.exe	37
PID 2164 wrote to memory of 1004	2164	winws.exe	37
PID 2164 wrote to memory of 1004	2164	winws.exe	37
PID 2164 wrote to memory of 1004	2164	winws.exe	37

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
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://cdn.discordapp.com/attachments/1300886873148756050/1300960864043663533/winws.exe?ex=6722bdb8&is=67216c38&hm=6421a3d612c9b6c41279c7a97310aba4b86dbc69dc16a3bc8027d28cde7073e8&
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2244 CREDAT:275457 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2720
- C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
    3⤵
    PID:2200
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
    3⤵
    PID:2816
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
    3⤵
    PID:1784
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
    3⤵
    PID:2908
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\winws.exe"
    3⤵
    PID:1004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\EOYL2MRI\winws[1].exe

Filesize
113KB

MD5
7cf417d06a24c1ade73ec6d8ae589077

SHA1
128516790f9c6d8ac1d33a9f1f2b854162d94942

SHA256
270723a06c0f917204923693f09cc0d6cd2cc9cefd59fc051cfbf920d26f17d8

SHA512
3f5615b04489cfc755e19efc30fe619026dfacd250bb1c1677e1c55ceb6f69a80d0f05760c157696985e1090c34e8e403b453e5680fb981f274bdd66e2fcb5bb

Download Submit
memory/1004-103-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1784-71-0x0000000002580000-0x00000000027F0000-memory.dmp

Filesize
2.4MB

Download
memory/1784-78-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1784-79-0x0000000002580000-0x00000000027F0000-memory.dmp

Filesize
2.4MB

Download
memory/2164-59-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2164-102-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2200-33-0x0000000002430000-0x00000000026A0000-memory.dmp

Filesize
2.4MB

Download
memory/2200-42-0x0000000001C60000-0x0000000001C61000-memory.dmp

Filesize
4KB

Download
memory/2200-43-0x0000000002430000-0x00000000026A0000-memory.dmp

Filesize
2.4MB

Download
memory/2816-46-0x00000000024F0000-0x0000000002760000-memory.dmp

Filesize
2.4MB

Download
memory/2816-66-0x00000000024F0000-0x0000000002760000-memory.dmp

Filesize
2.4MB

Download
memory/2816-65-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2816-60-0x00000000024F0000-0x0000000002760000-memory.dmp

Filesize
2.4MB

Download
memory/2816-58-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/2908-82-0x0000000002450000-0x00000000026C0000-memory.dmp

Filesize
2.4MB

Download
memory/2908-91-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2908-92-0x0000000002450000-0x00000000026C0000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads