xtremerat | 82738b5199198a9c01e936bba0278c0fd4f263966f244c9f7b33b0a55f3b99fc

General

Target
bb1735bbe95bf8b8d52dd2b6805b2016.exe
Size 324KB
Sample240308-m1247sdc79
SHA256 82738b5199198a9c01e936bba0278c0fd4f263966f244c9f7b33b0a55f3b99fc
MD5 bb1735bbe95bf8b8d52dd2b6805b2016
SHA1 6ff51658dd42b18d47fa5d5c927a9c9dd5a93815
SHA512 7b2ae889c61fdc610accc2aaa5b85912af79129abbf0ba72e5a6d7122bf53be9eee6769a5028d3e01883adb30115077500dd362b4f715bbaa0a7e370c53abf41
SSDEEP 3072:1yRhFjjrcqCksRp9IILZ9U652V4l4aAeHjw68Ywajih0aU4nWcqCksRp9IILZ9U+:IXFjjwjUEFPYjUEFP+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

hdohdo.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4820-6-0x0000000000C80000-0x0000000000CD9000-memory.dmp	family_xtremerat
behavioral2/files/0x00070000000231fa-7.dat	family_xtremerat
behavioral2/memory/4860-8-0x0000000000C80000-0x0000000000CD9000-memory.dmp	family_xtremerat
behavioral2/memory/2504-9-0x0000000000C80000-0x0000000000CD9000-memory.dmp	family_xtremerat
behavioral2/memory/4860-11-0x0000000000C80000-0x0000000000CD9000-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 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{BVS11H7Q-M5TG-7GG1-1X3N-U7KB10XCAWAD}	bb1735bbe95bf8b8d52dd2b6805b2016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BVS11H7Q-M5TG-7GG1-1X3N-U7KB10XCAWAD}\StubPath = "C:\\Windows\\wen 7\\hdo.exe restart"	bb1735bbe95bf8b8d52dd2b6805b2016.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{BVS11H7Q-M5TG-7GG1-1X3N-U7KB10XCAWAD}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{BVS11H7Q-M5TG-7GG1-1X3N-U7KB10XCAWAD}\StubPath = "C:\\Windows\\wen 7\\hdo.exe restart"	svchost.exe

Adds Run key to start application 2 TTPs 4 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\HKLM = "C:\\Windows\\wen 7\\hdo.exe"	bb1735bbe95bf8b8d52dd2b6805b2016.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\wen 7\\hdo.exe"	bb1735bbe95bf8b8d52dd2b6805b2016.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\wen 7\\hdo.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\wen 7\\hdo.exe"	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\wen 7\hdo.exe	bb1735bbe95bf8b8d52dd2b6805b2016.exe
File created	C:\Windows\wen 7\hdo.exe	bb1735bbe95bf8b8d52dd2b6805b2016.exe
File opened for modification	C:\Windows\wen 7\	bb1735bbe95bf8b8d52dd2b6805b2016.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4860	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 4820	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	90
PID 2504 wrote to memory of 4820	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	90
PID 2504 wrote to memory of 4820	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	90
PID 2504 wrote to memory of 4820	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	90
PID 2504 wrote to memory of 4860	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	91
PID 2504 wrote to memory of 4860	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	91
PID 2504 wrote to memory of 4860	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	91
PID 2504 wrote to memory of 4860	2504	bb1735bbe95bf8b8d52dd2b6805b2016.exe	91

C:\Users\Admin\AppData\Local\Temp\bb1735bbe95bf8b8d52dd2b6805b2016.exe
"C:\Users\Admin\AppData\Local\Temp\bb1735bbe95bf8b8d52dd2b6805b2016.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:4820
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

hdo.exe

Path C:\Windows\wen 7\hdo.exe
Size 324KB
SHA256 82738b5199198a9c01e936bba0278c0fd4f263966f244c9f7b33b0a55f3b99fc
MD5 bb1735bbe95bf8b8d52dd2b6805b2016
SHA1 6ff51658dd42b18d47fa5d5c927a9c9dd5a93815
SHA512 7b2ae889c61fdc610accc2aaa5b85912af79129abbf0ba72e5a6d7122bf53be9eee6769a5028d3e01883adb30115077500dd362b4f715bbaa0a7e370c53abf41
SSDEEP 3072:1yRhFjjrcqCksRp9IILZ9U652V4l4aAeHjw68Ywajih0aU4nWcqCksRp9IILZ9U+:IXFjjwjUEFPYjUEFP+
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2504-9-0x0000000000C80000-0x0000000000CD9000-memory.dmp

Download

memory/4820-6-0x0000000000C80000-0x0000000000CD9000-memory.dmp

Download

memory/4860-8-0x0000000000C80000-0x0000000000CD9000-memory.dmp

Download

memory/4860-11-0x0000000000C80000-0x0000000000CD9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads