xtremerat | 20597d177037b63423ff51e0af58aadfb44b722b8ba96a1faff8dd2d5b9ced0d

General

Target

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Size

180KB
MD5

65e2d7cd7cf2c0a390dd501798826b2d
SHA1

a3befe42e07faf04608496c617cbc360fa7dbd84
SHA256

20597d177037b63423ff51e0af58aadfb44b722b8ba96a1faff8dd2d5b9ced0d
SHA512

7d3c8dabc8c2cd3c650517b11651f00a75e6c4b5d18f6664928bb7b5793402ce27fc43f195bdb458acfa4c4af37b48f6e63eb9dece50d209c4de4f083874608e
SSDEEP

768:JNcVbR6kdV2/jJu7s8TCe7xWkGjx/bPriUWUGTxFbPrlpWPGyxebPrK:JNcZRYyTOwWkgPWUmPWPQ

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

momo44.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4056-2-0x0000000000C81000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral2/memory/3492-6-0x0000000000C80000-0x0000000000CAD000-memory.dmp	family_xtremerat
behavioral2/memory/244-8-0x0000000000C80000-0x0000000000CAD000-memory.dmp	family_xtremerat
behavioral2/memory/4056-9-0x0000000000C80000-0x0000000000CAD000-memory.dmp	family_xtremerat
behavioral2/memory/4056-10-0x0000000000C81000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral2/memory/244-12-0x0000000000C80000-0x0000000000CAD000-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 4 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

Processes:

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}\StubPath = "C:\\Windows\\system32\\Install12\\System.exe restart"	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}\StubPath = "C:\\Windows\\system32\\Install12\\System.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

Processes:

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Install12\\System.exe"	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Install12\\System.exe"	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Install12\\System.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Install12\\System.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

Processes:

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Install12\System.exe	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Install12\System.exe	65e2d7cd7cf2c0a390dd501798826b2d_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 3 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

Processes:

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exesvchost.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

244 svchost.exe

pid	process
244	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe

description	pid	process	target process
PID 4056 wrote to memory of 3492	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 3492	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 3492	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 3492	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 4456	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 4456	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 4456	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 388	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 388	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 388	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 244	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 244	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 244	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe
PID 4056 wrote to memory of 244	4056	65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\65e2d7cd7cf2c0a390dd501798826b2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65e2d7cd7cf2c0a390dd501798826b2d_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:4056
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:3492
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4456
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:388
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:244

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

C:\Windows\SysWOW64\Install12\System.exe

Filesize
180KB

MD5
65e2d7cd7cf2c0a390dd501798826b2d

SHA1
a3befe42e07faf04608496c617cbc360fa7dbd84

SHA256
20597d177037b63423ff51e0af58aadfb44b722b8ba96a1faff8dd2d5b9ced0d

SHA512
7d3c8dabc8c2cd3c650517b11651f00a75e6c4b5d18f6664928bb7b5793402ce27fc43f195bdb458acfa4c4af37b48f6e63eb9dece50d209c4de4f083874608e

Download Submit
memory/244-8-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/244-12-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/3492-6-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/4056-0-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/4056-2-0x0000000000C81000-0x0000000000CA8000-memory.dmp

Filesize
156KB

Download
memory/4056-1-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/4056-9-0x0000000000C80000-0x0000000000CAD000-memory.dmp

Filesize
180KB

Download
memory/4056-10-0x0000000000C81000-0x0000000000CA8000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads