441c40dab907570edb0bbd3e3877d337a7656799d8c185831deaad1cd7d5ee26

Analysis

max time kernel
1554s
max time network
1583s
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)/COVAULT-19.deps.json
Size

13KB
MD5

77b946036651a45b9a940361b668ff4c
SHA1

8e8f9e4ecfbd67c785e26c6a8e148cbe3cc98be3
SHA256

738a01d18ef137469d5cb7b9abdfddc4e8eb7ee0d6bb342d95a325f6341caf7f
SHA512

2a8eb839c1e1ef13256f0216dd43072b748dc2558fab29f67fb2d3c4d4a748af759a056811b3dded34bd721699cae731bac2869fd6aecfe6d74ed9f44b53cc92
SSDEEP

192:Y1DCqRRCcpUytCVqKAKKrRGXV5vfa4X3T7:YYGRCcpUywGbrcFY4P

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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4880	OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe
4880	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 1944	4880	OpenWith.exe	93
PID 4880 wrote to memory of 1944	4880	OpenWith.exe	93

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\COVAULT-19 (server)\COVAULT-19.deps.json"
1⤵
- Modifies registry class
PID:4164

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\COVAULT-19 (server)\COVAULT-19.deps.json
  2⤵
  PID:1944

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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