xtremerat | 92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c

General

Target

92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe
Size

158KB
MD5

15d367720258a9e47d9a9aa55ff91a41
SHA1

4a0a77adb3c2aacddc2632ae3bd6631a14ed2786
SHA256

92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c
SHA512

1bb910f5023e4f79d03be3b817ae9bb6f7f5976e4aba1f79d21f5a75688b895a45d8103a7fa3d39c7024f12707f269991c0737e0964a118b98969b3026787fe3
SSDEEP

1536:vsq+QV4rObAdXWpfKy/Vz97qjh3rmKPNIoT:i44rjktzojZqMNIoT

Score

10^/10

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral1/memory/1312-57-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/320-61-0x0000000000000000-mapping.dmp	family_xtremerat
behavioral1/memory/1312-63-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/320-64-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/files/0x000b000000012304-65.dat	family_xtremerat
behavioral1/memory/1312-66-0x0000000010000000-0x0000000010051000-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

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Microsoft\\windows.exe restart"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Microsoft\\windows.exe"	svchost.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\windows.exe"	notepad.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\windows.exe"	notepad.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Microsoft\\windows.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Microsoft\\windows.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft\windows.exe	notepad.exe
File created	C:\Windows\Microsoft\windows.exe	notepad.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
320	notepad.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 1312	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	27
PID 1436 wrote to memory of 1312	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	27
PID 1436 wrote to memory of 1312	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	27
PID 1436 wrote to memory of 1312	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	27
PID 1436 wrote to memory of 1312	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	27
PID 1436 wrote to memory of 320	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	28
PID 1436 wrote to memory of 320	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	28
PID 1436 wrote to memory of 320	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	28
PID 1436 wrote to memory of 320	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	28
PID 1436 wrote to memory of 320	1436	92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe	28

C:\Users\Admin\AppData\Local\Temp\92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe
"C:\Users\Admin\AppData\Local\Temp\92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:1312
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:320

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

C:\Windows\Microsoft\windows.exe

Filesize
158KB

MD5
15d367720258a9e47d9a9aa55ff91a41

SHA1
4a0a77adb3c2aacddc2632ae3bd6631a14ed2786

SHA256
92a1f991cd0aed0ea79fbfcc820a5d110d326b96af8591b393e9c0b10820a52c

SHA512
1bb910f5023e4f79d03be3b817ae9bb6f7f5976e4aba1f79d21f5a75688b895a45d8103a7fa3d39c7024f12707f269991c0737e0964a118b98969b3026787fe3

Download Submit
memory/320-64-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1312-55-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1312-63-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1312-66-0x0000000010000000-0x0000000010051000-memory.dmp

Filesize
324KB

Download
memory/1436-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads