2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9

General

Target

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Size

263KB
MD5

1b94757c66c44b7739a18ff3f7f0a594
SHA1

2a12455c62c8eb831363f7ad5b03aea96b7bfd65
SHA256

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9
SHA512

f3390db17b4e7c7d027e5c9cbfba8295253c97c06674d67ab9e51e3b6dbd4fdeb417ac8b74baf0ea7623b12a2f3132c4c59ad7c4881a0f189a0c19d1c2ac8a28
SSDEEP

3072:uZFcX5uDAwaTGgAigWW6KYO9UHIF6gsml5uWTtS6Vh1Gsv4PYA:uZ75Pig16ycWJjl5HtS6VKsvyD

Score

8^/10

persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\xsytzecrn.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\xsytzecrn.exe\DisableExceptionChainValidation	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1063

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	ioc	process
File created	C:\ProgramData\Windows Kernel Updater\desktop.ini	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	pid	process	target process
PID 656 set thread context of 1168	656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1672 schtasks.exe

pid	process
1672	schtasks.exe

Modifies registry class 7 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}\04E80169\ê']u3	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}\04E80169\ê']u3\BID = 2000080017000b00e607000014000000170010002d001e00000000002a4e7e63	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}\04E80169\CG1	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}\04E80169	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\CLSID\{A8FEFF91-DD30-8040-9030-89F7280D86B9}\04E80169\CG1\HAL = 05ee0000	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

pid	process
656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

pid process

1168 2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

pid	process
1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	pid	process
Token: SeRestorePrivilege	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Token: SeBackupPrivilege	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
Token: SeDebugPrivilege	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe

description	pid	process	target process
PID 656 wrote to memory of 1168	656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
PID 656 wrote to memory of 1168	656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
PID 656 wrote to memory of 1168	656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
PID 656 wrote to memory of 1168	656	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
PID 1168 wrote to memory of 1672	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	schtasks.exe
PID 1168 wrote to memory of 1672	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	schtasks.exe
PID 1168 wrote to memory of 1672	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	schtasks.exe
PID 1168 wrote to memory of 1672	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	schtasks.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe
PID 1168 wrote to memory of 2004	1168	2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
"C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:656

C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe
"C:\Users\Admin\AppData\Local\Temp\2ca7888b89a4157c54503e10fb5b2f35d8752037e195540e168ab76e7db2caf9.exe"
2⤵
- Sets file execution options in registry
- Checks for any installed AV software in registry
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x04E80169" /TR "C:\ProgramData\Windows Kernel Updater\xsytzecrn.exe" /RL HIGHEST
3⤵
- Creates scheduled task(s)
PID:1672

C:\Windows\SysWOW64\WerFault.exe
"C:\Windows\SysWOW64\WerFault.exe"
3⤵
PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Security Software Discovery

1

T1063

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/656-54-0x0000000075EC1000-0x0000000075EC3000-memory.dmp

Filesize
8KB

Download
memory/1168-61-0x0000000000440000-0x000000000044B000-memory.dmp

Filesize
44KB

Download
memory/1168-56-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-58-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1168-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-60-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1168-55-0x000000000040120A-mapping.dmp

Download
memory/1168-64-0x0000000000370000-0x00000000003BB000-memory.dmp

Filesize
300KB

Download
memory/1672-62-0x0000000000000000-mapping.dmp

Download
memory/2004-63-0x0000000000000000-mapping.dmp

Download
memory/2004-65-0x0000000077CE0000-0x0000000077E61000-memory.dmp

Filesize
1.5MB

Download
memory/2004-66-0x0000000000150000-0x00000000001E0000-memory.dmp

Filesize
576KB

Download
memory/2004-67-0x0000000077CE0000-0x0000000077E61000-memory.dmp

Filesize
1.5MB

Download
memory/2004-68-0x0000000000150000-0x00000000001E0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads