1d3c2088b2d712f8006279db8acb9a1c6dc3037886a655d37bf75ea5fa6b9518

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2024 18:16

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General

Target

Malware-database-main/ChilledWindows.exe
Size

4.4MB
MD5

6a4853cd0584dc90067e15afb43c4962
SHA1

ae59bbb123e98dc8379d08887f83d7e52b1b47fc
SHA256

ccb9502bf8ba5becf8b758ca04a5625c30b79e2d10d2677cc43ae4253e1288ec
SHA512

feb223e0de9bd64e32dc4f3227e175b58196b5e614bca8c2df0bbca2442a564e39d66bcd465154149dc7ebbd3e1ca644ed09d9a9174b52236c76e7388cb9d996
SSDEEP

98304:XyDt6K4MJVnjOobt/JN1LA5elHc+S4fRp5UvluKo:XyDtK8bbxn+IHcBEV/F

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

ChilledWindows.exe

description	ioc	process
File opened (read-only)	\??\Q:	ChilledWindows.exe
File opened (read-only)	\??\R:	ChilledWindows.exe
File opened (read-only)	\??\X:	ChilledWindows.exe
File opened (read-only)	\??\Z:	ChilledWindows.exe
File opened (read-only)	\??\A:	ChilledWindows.exe
File opened (read-only)	\??\H:	ChilledWindows.exe
File opened (read-only)	\??\G:	ChilledWindows.exe
File opened (read-only)	\??\O:	ChilledWindows.exe
File opened (read-only)	\??\S:	ChilledWindows.exe
File opened (read-only)	\??\U:	ChilledWindows.exe
File opened (read-only)	\??\B:	ChilledWindows.exe
File opened (read-only)	\??\E:	ChilledWindows.exe
File opened (read-only)	\??\M:	ChilledWindows.exe
File opened (read-only)	\??\P:	ChilledWindows.exe
File opened (read-only)	\??\T:	ChilledWindows.exe
File opened (read-only)	\??\V:	ChilledWindows.exe
File opened (read-only)	\??\I:	ChilledWindows.exe
File opened (read-only)	\??\J:	ChilledWindows.exe
File opened (read-only)	\??\N:	ChilledWindows.exe
File opened (read-only)	\??\W:	ChilledWindows.exe
File opened (read-only)	\??\Y:	ChilledWindows.exe
File opened (read-only)	\??\K:	ChilledWindows.exe
File opened (read-only)	\??\L:	ChilledWindows.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

ChilledWindows.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-4018855536-2201274732-320770143-1000\{C2972922-D44B-471D-AFF4-8007FBF3EEF0}	ChilledWindows.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

ChilledWindows.exeAUDIODG.EXE

description	pid	process
Token: SeShutdownPrivilege	4660	ChilledWindows.exe
Token: SeCreatePagefilePrivilege	4660	ChilledWindows.exe
Token: 33	1084	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1084	AUDIODG.EXE
Token: SeShutdownPrivilege	4660	ChilledWindows.exe
Token: SeCreatePagefilePrivilege	4660	ChilledWindows.exe
Token: SeShutdownPrivilege	4660	ChilledWindows.exe
Token: SeCreatePagefilePrivilege	4660	ChilledWindows.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ChilledWindows.exe

pid process

4660 ChilledWindows.exe

pid	process
4660	ChilledWindows.exe

C:\Users\Admin\AppData\Local\Temp\Malware-database-main\ChilledWindows.exe
"C:\Users\Admin\AppData\Local\Temp\Malware-database-main\ChilledWindows.exe"
1⤵
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4660

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4a0 0x2d4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\Media Player\CurrentDatabase_400.wmdb
Filesize
896KB

MD5
3460bffc8f5457d38c6bb8cd1c76d00b

SHA1
cd217f0464cb6f50a7217e0fa4ea76179269b348

SHA256
1cad07287939f5761b5b27f7cee051e10d60716df5f62ff92e3f6339312c4f46

SHA512
157d19a5c16cef48edfd6e1562652464ba81b3afd18fdeb65bade4009b773941ac3a422bbeecaf7db849d4ad8e9d4f342dc4c6b1e03d5b104735f8b96d1ed009

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Malware-database-main\chilledwindows.mp4
Filesize
3.6MB

MD5
698ddcaec1edcf1245807627884edf9c

SHA1
c7fcbeaa2aadffaf807c096c51fb14c47003ac20

SHA256
cde975f975d21edb2e5faa505205ab8a2c5a565ba1ff8585d1f0e372b2a1d78b

SHA512
a2c326f0c653edcd613a3cefc8d82006e843e69afc787c870aa1b9686a20d79e5ab4e9e60b04d1970f07d88318588c1305117810e73ac620afd1fb6511394155

Download Submit
memory/4660-17-0x00000000233A0000-0x00000000233D8000-memory.dmp

Filesize
224KB

Download
memory/4660-2-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-15-0x000000001DE90000-0x000000001DE98000-memory.dmp

Filesize
32KB

Download
memory/4660-16-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-18-0x0000000023360000-0x000000002336E000-memory.dmp

Filesize
56KB

Download
memory/4660-0-0x00007FFE4AEF3000-0x00007FFE4AEF5000-memory.dmp

Filesize
8KB

Download
memory/4660-20-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-13-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-1-0x0000000000DC0000-0x0000000001224000-memory.dmp

Filesize
4.4MB

Download
memory/4660-37-0x00007FFE4AEF3000-0x00007FFE4AEF5000-memory.dmp

Filesize
8KB

Download
memory/4660-38-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-39-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-40-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download
memory/4660-54-0x00007FFE4AEF0000-0x00007FFE4B9B1000-memory.dmp

Filesize
10.8MB

Download