xorist | 5bef77a7da48d67d02067c1772fb6b2077b6c6f8d1322e5fe8ec3b91c1867a6b

General

Target

JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Size

7KB
MD5

0148cf44b99424cb6a829fa2b26e8075
SHA1

a5d472178907b69928c24aa5f3dbd60682dcd103
SHA256

5bef77a7da48d67d02067c1772fb6b2077b6c6f8d1322e5fe8ec3b91c1867a6b
SHA512

5852b8fbae53eead7d697bf27e7ca655ede1760ac8ad77ddaec468081f4f4c67307b7e33e6905cdffc2082696a2c8cf424024bc97a98256fb5ebea6b13953b8b
SSDEEP

96:WEZhl8wdS+r3yOYW189fTwUVF0CWHyjk8P1LOmjXfihEx1Dm5dM5NSPYxImNli00:Zzdrr1FG1WDCgmjPZ1DaM5wQBi0MUA

Score

10^/10

xorist discovery persistence ransomware spyware stealer upx

Malware Config

Signatures

Detected Xorist Ransomware 4 IoCs

resource	yara_rule
behavioral1/memory/2512-11-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral1/memory/2512-12-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral1/memory/2512-14-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist
behavioral1/memory/2512-15-0x0000000000400000-0x000000000040C000-memory.dmp	family_xorist

Xorist Ransomware
Xorist is a ransomware first seen in 2020.
ransomware xorist
Xorist family
xorist
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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"	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2512-11-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2512-12-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2512-14-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2512-15-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winsxs\amd64_microsoft-windows-musicsamples_31bf3856ad364e35_6.1.7600.16385_none_06495209cbd8e93b\Maid with the Flaxen Hair.mp3	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
File opened for modification	C:\Windows\winsxs\amd64_microsoft-windows-musicsamples_31bf3856ad364e35_6.1.7600.16385_none_06495209cbd8e93b\Sleep Away.mp3	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
File opened for modification	C:\Windows\winsxs\amd64_microsoft-windows-musicsamples_31bf3856ad364e35_6.1.7600.16385_none_06495209cbd8e93b\Kalimba.mp3	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\ = "CRYPTED!"	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oTm74683gE0Quy5.exe"	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd\ = "VTLVJLZFLHOPWYJ"	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\DefaultIcon	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\oTm74683gE0Quy5.exe,0"	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VTLVJLZFLHOPWYJ\shell\open\command	JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0148cf44b99424cb6a829fa2b26e8075.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2512

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2512-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2512-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2512-12-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2512-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2512-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads