xorist | 5bef77a7da48d67d02067c1772fb6b2077b6c6f8d1322e5fe8ec3b91c1867a6b

General

Target

0148cf44b99424cb6a829fa2b26e8075.exe
Size

7KB
MD5

0148cf44b99424cb6a829fa2b26e8075
SHA1

a5d472178907b69928c24aa5f3dbd60682dcd103
SHA256

5bef77a7da48d67d02067c1772fb6b2077b6c6f8d1322e5fe8ec3b91c1867a6b
SHA512

5852b8fbae53eead7d697bf27e7ca655ede1760ac8ad77ddaec468081f4f4c67307b7e33e6905cdffc2082696a2c8cf424024bc97a98256fb5ebea6b13953b8b
SSDEEP

96:WEZhl8wdS+r3yOYW189fTwUVF0CWHyjk8P1LOmjXfihEx1Dm5dM5NSPYxImNli00:Zzdrr1FG1WDCgmjPZ1DaM5wQBi0MUA

Score

10^/10

Malware Config

Signatures

Detected Xorist Ransomware 10 IoCs

resource	yara_rule
behavioral2/memory/4816-5-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-6-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-7-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-8-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-9-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-10-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-11-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-12-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-14-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral2/memory/4816-16-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist

Xorist Ransomware
Xorist is a ransomware first seen in 2020.
ransomware xorist

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4816-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-5-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-6-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-7-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-8-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-9-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-10-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-11-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-12-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-14-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4816-16-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Alcmeter = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oTm74683gE0Quy5.exe"	0148cf44b99424cb6a829fa2b26e8075.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\AchievementUnlocked.mp3	0148cf44b99424cb6a829fa2b26e8075.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open	0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oTm74683gE0Quy5.exe"	0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\DefaultIcon	0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oTm74683gE0Quy5.exe,0"	0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell	0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\ = "CRYPTED!"	0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open\command	0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd	0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd\ = "VTLVJLZFLHOPWYJ"	0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ	0148cf44b99424cb6a829fa2b26e8075.exe

C:\Users\Admin\AppData\Local\Temp\0148cf44b99424cb6a829fa2b26e8075.exe
"C:\Users\Admin\AppData\Local\Temp\0148cf44b99424cb6a829fa2b26e8075.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
PID:4816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4816-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4816-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads