xtremerat | c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6

General

Target

c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe
Size

65KB
MD5

71f728ae4c5820eda194a5c305977a75
SHA1

19e0ec03be87a14b3d774481e76b0a8564dccff2
SHA256

c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6
SHA512

4f1069587bde83d70493c90625678567f92d510a1e715cf90469a60b98776b080332180b7ded75e34f97ff594244b2df20d6d6d2d2766025661d9ef51586b17b
SSDEEP

768:l9m1Sq4NQkrBsH1Uzz05De1QuMVTSN8iJHoX7Vmu6AeXVtWAJ7A+7voNwcSQZ:Ssq+Q1JaQuISJJUmFA+FJ0LNwaZ

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2548-2-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/1176-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2548-6-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2548-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2548-7-0x0000000010000000-0x0000000010048000-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
Xtremerat family
xtremerat

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2V6FFP4K-2X81-BWL4-4QX4-12AC70P6767L}	notepad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2V6FFP4K-2X81-BWL4-4QX4-12AC70P6767L}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	notepad.exe

Adds Run key to start application 2 TTPs 2 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\\InstallDir\\Server.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	notepad.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\InstallDir\Server.exe	notepad.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	notepad.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 2548	1176	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe	29
PID 1176 wrote to memory of 2548	1176	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe	29
PID 1176 wrote to memory of 2548	1176	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe	29
PID 1176 wrote to memory of 2548	1176	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe	29
PID 1176 wrote to memory of 2548	1176	c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe	29

C:\Users\Admin\AppData\Local\Temp\c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe
"C:\Users\Admin\AppData\Local\Temp\c496a70b4306e9845bc668e5f355af4a53abb4653e9a1553bb47c5fc5224cdb6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1176-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2548-0-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2548-2-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2548-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2548-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2548-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads