xtremerat | eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51

General

Target

eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Size

561KB
MD5

2686afd221cf109f875b3029fab6480b
SHA1

c243ae59033985ba4d643d5d19e10002d603b0fd
SHA256

eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51
SHA512

2a1679113d97a69610ae048655260f7b85e1405213fd547b66b2d1cb15531e6e68d6b7a5778b59481fc350f846f24a6dc2a0a5cfbdda1dacbf7a3363247c4cf8
SSDEEP

12288:81QcT1KGnhG9kEiXVaxZeeCnnLNSGjxuVTFpLha8EkHdoHEVH:e9T4WTemjuzpLhaLkHyHEV

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

oudy.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2684-133-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral2/memory/2684-134-0x0000000000C80000-0x0000000000D8E000-memory.dmp	family_xtremerat
behavioral2/memory/852-135-0x0000000000C80000-0x0000000000D8E000-memory.dmp	family_xtremerat
behavioral2/memory/2684-136-0x0000000000C80000-0x0000000000D8E000-memory.dmp	family_xtremerat

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\svchost = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\svchost = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{AK280W7F-7V7S-6384-P0F5-B8QY3351K8VV}	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AK280W7F-7V7S-6384-P0F5-B8QY3351K8VV}\StubPath = "C:\\Windows\\WIN 7\\HACKO.exe restart"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/852-132-0x0000000000C80000-0x0000000000D8E000-memory.dmp	upx
behavioral2/memory/2684-134-0x0000000000C80000-0x0000000000D8E000-memory.dmp	upx
behavioral2/memory/852-135-0x0000000000C80000-0x0000000000D8E000-memory.dmp	upx
behavioral2/memory/2684-136-0x0000000000C80000-0x0000000000D8E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\svchost = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\svchost = "C:\\Windows\\WIN 7\\HACKO.exe"	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WIN 7\HACKO.exe	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
File created	C:\Windows\WIN 7\HACKO.exe	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
File opened for modification	C:\Windows\WIN 7\	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2684	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 3544	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	79
PID 852 wrote to memory of 3544	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	79
PID 852 wrote to memory of 3544	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	79
PID 852 wrote to memory of 2684	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	80
PID 852 wrote to memory of 2684	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	80
PID 852 wrote to memory of 2684	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	80
PID 852 wrote to memory of 2684	852	eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe	80

C:\Users\Admin\AppData\Local\Temp\eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
"C:\Users\Admin\AppData\Local\Temp\eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:3544
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/852-132-0x0000000000C80000-0x0000000000D8E000-memory.dmp

Filesize
1.1MB

Download
memory/852-135-0x0000000000C80000-0x0000000000D8E000-memory.dmp

Filesize
1.1MB

Download
memory/2684-134-0x0000000000C80000-0x0000000000D8E000-memory.dmp

Filesize
1.1MB

Download
memory/2684-136-0x0000000000C80000-0x0000000000D8E000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads