xtremerat | a0932ed1c3b0ec9d46807aab8add548f4fae9bb7d66db68e101497d276d54f13

General

Target

CF AL CHEATS 2K18/CF AL CHEATS.exe
Size

33KB
MD5

ff926ad152e49b12044bcf258012a95d
SHA1

d7dc9a9f0ce32763dc654b1a8554246e0972c2cf
SHA256

3a4707df311d1b499a8c78e7e1c33b4f235de01c55b631e7147a32bf4b3e3830
SHA512

54980080ad22afd3a98d0f60d36314a9f65cc28b944d577cc3762437632c3c391762c2dad826a94a5e45bba11d608dca8529e2b12bba5575cd01ddc4f33d02d8

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT Payload 5 IoCs

Processes:

resource	yara_rule
behavioral4/memory/4328-131-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral4/memory/4656-132-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral4/memory/4060-133-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral4/memory/4656-135-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral4/memory/4328-134-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{26I03V08-4S5J-1MHJ-LCHL-C545WL8R5B51}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{26I03V08-4S5J-1MHJ-LCHL-C545WL8R5B51}\StubPath = "C:\\Windows\\system32\\Windows\\Winlogon.exe restart"	svchost.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral4/memory/4060-130-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral4/memory/4060-133-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral4/memory/4656-135-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral4/memory/4328-134-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Atualizar = "C:\\Windows\\system32\\Windows\\Winlogon.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\system32\\Windows\\Winlogon.exe"	svchost.exe

Drops file in System32 directory 3 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Windows\Winlogon.exe	svchost.exe
File created	C:\Windows\SysWOW64\Windows\Winlogon.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Windows\	svchost.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
3968	4656	WerFault.exe	svchost.exe
1120	4328	WerFault.exe	svchost.exe
3372	4328	WerFault.exe	svchost.exe
4736	4656	WerFault.exe	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

4656 svchost.exe

pid	process
4656	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CF AL CHEATS.exe

description	pid	process	target process
PID 4060 wrote to memory of 4328	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4328	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4328	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4328	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4656	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4656	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4656	4060	CF AL CHEATS.exe	svchost.exe
PID 4060 wrote to memory of 4656	4060	CF AL CHEATS.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\CF AL CHEATS 2K18\CF AL CHEATS.exe
"C:\Users\Admin\AppData\Local\Temp\CF AL CHEATS 2K18\CF AL CHEATS.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4060

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 480
3⤵
- Program crash
PID:1120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 488
3⤵
- Program crash
PID:3372

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 988
3⤵
- Program crash
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 996
3⤵
- Program crash
PID:4736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4328 -ip 4328
1⤵
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4656 -ip 4656
1⤵
PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4656 -ip 4656
1⤵
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4328 -ip 4328
1⤵
PID:4976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4060-130-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4060-133-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4328-131-0x0000000000000000-mapping.dmp

Download
memory/4328-134-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4656-132-0x0000000000000000-mapping.dmp

Download
memory/4656-135-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads