82e34351115b01948c0ed5ba16337e6ddd3f519a0b6f681061fd5f50f95fda46

Analysis

max time kernel
86s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08-06-2023 10:35

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

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 948 WerFault.exe ChilledWindows.exe

pid	pid_target	process	target process
1372	948	WerFault.exe	ChilledWindows.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

AUDIODG.EXEChilledWindows.exe

description	pid	process
Token: 33	548	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	548	AUDIODG.EXE
Token: 33	548	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	548	AUDIODG.EXE
Token: 33	948	ChilledWindows.exe
Token: SeIncBasePriorityPrivilege	948	ChilledWindows.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ChilledWindows.exe

pid process

948 ChilledWindows.exe

pid	process
948	ChilledWindows.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

ChilledWindows.exe

description	pid	process	target process
PID 948 wrote to memory of 1372	948	ChilledWindows.exe	WerFault.exe
PID 948 wrote to memory of 1372	948	ChilledWindows.exe	WerFault.exe
PID 948 wrote to memory of 1372	948	ChilledWindows.exe	WerFault.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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 948 -s 2288
2⤵
- Program crash
PID:1372

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x550
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:548

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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/948-67-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-71-0x000007FF4BE00000-0x000007FF4BE0A000-memory.dmp

Filesize
40KB

Download
memory/948-66-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-64-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-65-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-72-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/948-70-0x000000001AD80000-0x000000001AD8A000-memory.dmp

Filesize
40KB

Download
memory/948-69-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-68-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-54-0x00000000002C0000-0x0000000000724000-memory.dmp

Filesize
4.4MB

Download
memory/948-58-0x0000000002350000-0x000000000235A000-memory.dmp

Filesize
40KB

Download
memory/948-57-0x000000001AC90000-0x000000001AD10000-memory.dmp

Filesize
512KB

Download
memory/948-55-0x000000001AC90000-0x000000001AD10000-memory.dmp

Filesize
512KB

Download
memory/948-74-0x000000001AC90000-0x000000001AD10000-memory.dmp

Filesize
512KB

Download
memory/948-75-0x000000001AC90000-0x000000001AD10000-memory.dmp

Filesize
512KB

Download
memory/948-81-0x000000001AD80000-0x000000001AD8A000-memory.dmp

Filesize
40KB

Download
memory/948-80-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-79-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-78-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-77-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download
memory/948-76-0x000000001AB60000-0x000000001AB6A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads