xtremerat | a73039b543e61e7130c4f182f96e6fbc925b11ec658f87cbcf81fd174967dfad

General

Target

1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
Size

45KB
MD5

1642421e567928b38b37458d9f25feb0
SHA1

6d31498897d906774faad71ab1326b342f001a10
SHA256

a73039b543e61e7130c4f182f96e6fbc925b11ec658f87cbcf81fd174967dfad
SHA512

892b4f7a58aff66cfe700d0518da35c5416d4fdb0ddef8a4d065a3203551c19e85a274a0a94addc78e9db7b3052f93d067d05df34bb5e47c4eaf23f9ee5650be
SSDEEP

768:9Br+tjFY90iY6W1jwm3zKgEFQX6klMIAnH8hwfOgw08gzo5J:jyRh31j1PEFQX6k+H84bFo5J

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

namehost.dyndns.org

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2312-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2204-9-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2312-11-0x0000000000C80000-0x0000000000C93000-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

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\{5460C4DF-B266-909E-CB58-E32B79832EB2}	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\wbem\\xml.exe restart"	1642421e567928b38b37458d9f25feb0_JaffaCakes118.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\\system32\\wbem\\xml.exe"	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\wbem\\xml.exe"	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wbem\xml.exe	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wbem\xml.exe	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wbem\	1642421e567928b38b37458d9f25feb0_JaffaCakes118.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	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2312	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2312	2204	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe	28
PID 2204 wrote to memory of 2312	2204	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe	28
PID 2204 wrote to memory of 2312	2204	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe	28
PID 2204 wrote to memory of 2312	2204	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe	28
PID 2204 wrote to memory of 2312	2204	1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1642421e567928b38b37458d9f25feb0_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2312

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/2204-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2312-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2312-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2312-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads