237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

Analysis

max time kernel
135s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-01-2023 19:56

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General

Target

c50ai.exe
Size

872KB
MD5

c56b5f0201a3b3de53e561fe76912bfd
SHA1

2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256

237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512

195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
SSDEEP

12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01

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 20 IoCs

Processes:

c50ai.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	c50ai.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	c50ai.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	c50ai.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	c50ai.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	c50ai.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	c50ai.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

c50ai.exe

pid process

1788 c50ai.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c50ai.exe

pid process

1788 c50ai.exe

pid	process
1788	c50ai.exe

pid	process
1788	c50ai.exe

C:\Users\Admin\AppData\Local\Temp\c50ai.exe
"C:\Users\Admin\AppData\Local\Temp\c50ai.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1788

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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