xtremerat | c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071

General

Target

c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
Size

971KB
MD5

f47c9b8d2c51230830d4575ad4647237
SHA1

99b6ce244240ed1996b9e63d072f9379350ba049
SHA256

c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071
SHA512

cf88181f05f7d20b6e480c23e47b20df8b4c4ac733aa3c62c46a73cc734bdf7258b43d175d1cd13302aadf4d9a72988fa6bb1d06d279445ddacc770dac3a4370
SSDEEP

12288:eaWzgMg7v3qnCiMErQohh0F4CCJ8lny/QCIgKKM4YV/Z2Sr:paHMv6Corjqny/QBR1V/Z2u

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1640-58-0x00000000000CD288-mapping.dmp	family_xtremerat
behavioral1/memory/1640-57-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/1640-59-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/1640-61-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/1640-62-0x00000000000C0000-0x0000000000108000-memory.dmp	family_xtremerat
behavioral1/memory/1640-63-0x00000000000C0000-0x0000000000108000-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

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Program Files (x86)\\InstallDir\\AZERT.exe restart"	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe

Adds 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\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\AZERT.exe"	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\AZERT.exe"	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\InstallDir\AZERT.exe	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
File created	C:\Program Files (x86)\InstallDir\AZERT.exe	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.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 FindShellTrayWindow 3 IoCs

pid	Process
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28
PID 1492 wrote to memory of 1640	1492	c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe	28

C:\Users\Admin\AppData\Local\Temp\c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
"C:\Users\Admin\AppData\Local\Temp\c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe
  "C:\Users\Admin\AppData\Local\Temp\c3b72e467295324862f281885750d3d860c7a6b2bd2af9b1117632750e39b071.exe"
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in Program Files directory
  PID:1640

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/1492-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/1640-57-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/1640-55-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/1640-59-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/1640-61-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/1640-62-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download
memory/1640-63-0x00000000000C0000-0x0000000000108000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads