441c40dab907570edb0bbd3e3877d337a7656799d8c185831deaad1cd7d5ee26

Analysis

max time kernel
1444s
max time network
1230s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2023, 15:25

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General

Target

COVAULT-19 (server).rar
Size

1.5MB
MD5

bfe336594aca010419d239440e786f98
SHA1

fd652ad0e90ecb26d6871fd3dadf3d3839d238a4
SHA256

441c40dab907570edb0bbd3e3877d337a7656799d8c185831deaad1cd7d5ee26
SHA512

de53531e5953dd915c775ef25924443bdf8f9018864e2baf67d35a4b21fad813625f2df07cb82a95c582a665bd41a36589792649c0dc5bcfae30a6268fc69b42
SSDEEP

24576:eYQ6Ihwyw+6jIoZKq8Fuv+oBwXxSobSKQaAdYT1cqu6APGLKPuuIFibGuevVEUS7:eK1Fdd8FHruVHyc/G2uBFibu93nrw7

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1408	4324	WerFault.exe	87

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2456	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\COVAULT-19 (server).rar"
1⤵
- Modifies registry class
PID:2056

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2456

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 444 -p 4324 -ip 4324
1⤵
PID:1332

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4324 -s 1736
1⤵
- Program crash
PID:1408

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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