xtremerat | fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8

General

Target
fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe
Size 95KB
Sample240322-crvcwshc8x
SHA256 fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8
MD5 f632b3512ca905234c92501dd36982df
SHA1 001b96b43a8b0f06c9d766b070a3aee3ac59d766
SHA512 89ff1b8014d5e3202657346685b4176c5321a0d07b06cb6fa925eee9dafda69d60b4ab1df915ac035d99909da743d1362aa2dafc769445a9dad3e93c0c974b02
SSDEEP 1536:Hsq+QV4rObAdXWpf/y+YaIBxom1kwBxom1kMoEnNf:K44rj/laIDnkwDnkMo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

magnoscfal.ddns.net

Signatures

Detect XtremeRAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2636-2-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2332-5-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2332-10-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2332-9-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2960-6-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2332-11-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/files/0x000d000000014713-12.dat	family_xtremerat
behavioral1/memory/2636-13-0x0000000010000000-0x0000000010051000-memory.dmp	family_xtremerat
behavioral1/memory/2332-14-0x0000000010000000-0x0000000010051000-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

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{76DDE5X4-WQ7N-4XEY-J3LH-E8O2SB3CN71B}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76DDE5X4-WQ7N-4XEY-J3LH-E8O2SB3CN71B}\StubPath = "C:\\Windows\\system32\\Windows\\svchost"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{76DDE5X4-WQ7N-4XEY-J3LH-E8O2SB3CN71B}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76DDE5X4-WQ7N-4XEY-J3LH-E8O2SB3CN71B}\StubPath = "C:\\Windows\\system32\\Windows\\svchost 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\Atualizar = "C:\\Windows\\system32\\Windows\\svchost"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\system32\\Windows\\svchost"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Atualizar = "C:\\Windows\\system32\\Windows\\svchost"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Windows\\system32\\Windows\\svchost"	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Windows\svchost	svchost.exe
File created	C:\Windows\SysWOW64\Windows\svchost	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).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2332	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2636	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	28
PID 2960 wrote to memory of 2636	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	28
PID 2960 wrote to memory of 2636	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	28
PID 2960 wrote to memory of 2636	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	28
PID 2960 wrote to memory of 2636	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	28
PID 2960 wrote to memory of 2332	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	29
PID 2960 wrote to memory of 2332	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	29
PID 2960 wrote to memory of 2332	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	29
PID 2960 wrote to memory of 2332	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	29
PID 2960 wrote to memory of 2332	2960	fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe	29

C:\Users\Admin\AppData\Local\Temp\fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe
"C:\Users\Admin\AppData\Local\Temp\fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:2636
- 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:2332

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

svchost

Path C:\Windows\SysWOW64\Windows\svchost
Size 95KB
SHA256 fcd4880d10abb4ae5997667348b9e53488d5dbe8c08d76f6e2dd98e6e1f410c8
MD5 f632b3512ca905234c92501dd36982df
SHA1 001b96b43a8b0f06c9d766b070a3aee3ac59d766
SHA512 89ff1b8014d5e3202657346685b4176c5321a0d07b06cb6fa925eee9dafda69d60b4ab1df915ac035d99909da743d1362aa2dafc769445a9dad3e93c0c974b02
SSDEEP 1536:Hsq+QV4rObAdXWpf/y+YaIBxom1kwBxom1kMoEnNf:K44rj/laIDnkwDnkMo
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2332-5-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2332-10-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2332-9-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2332-11-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2332-14-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2636-0-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2636-2-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2636-13-0x0000000010000000-0x0000000010051000-memory.dmp

Download

memory/2960-6-0x0000000010000000-0x0000000010051000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads