xtremerat | 2d95635efe5cf1cff44e79fd4fc33cc39b98448dc60614a9f47b9dd936141110

Analysis

max time kernel
147s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 14:50

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General

Target

JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Size

640KB
MD5

ec66039a528d408d7f9082d7515ccfd3
SHA1

0b3e6be03452d870c93057a0386ed6560ce986da
SHA256

2d95635efe5cf1cff44e79fd4fc33cc39b98448dc60614a9f47b9dd936141110
SHA512

0efff3abf29b925717f1dbfd6ebffcc9baa44b84f5531ba2868570b2134cbe3fcd088da12189bbc4a7f4bae941d777f4fe0d7a7539a83db4ac9578a22aac17e2
SSDEEP

12288:77Y6+e1wOzS5hO3Sg2IQyU3zHNL4skPs60DeJq+:77MeeOzS7O3SgHQ16Ylc

Score

10^/10

xtremerat bootkit discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1264-14-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/1264-13-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/1264-16-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/844-26-0x0000000000C80000-0x0000000000C92000-memory.dmp	family_xtremerat
behavioral1/memory/1264-29-0x0000000000C80000-0x0000000000C92000-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 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

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\Cityscap\\facco.exe restart"	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.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\\Cityscap\\facco.exe"	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\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Cityscap\\facco.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Cityscap\\facco.exe"	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\Cityscap\\facco.exe"	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\Cityscap\\facco.exe"	svchost.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1268 set thread context of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Cityscap\facco.exe	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
File created	C:\Windows\Cityscap\facco.exe	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1268 wrote to memory of 1264	1268	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	30
PID 1264 wrote to memory of 844	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	31
PID 1264 wrote to memory of 844	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	31
PID 1264 wrote to memory of 844	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	31
PID 1264 wrote to memory of 844	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	31
PID 1264 wrote to memory of 844	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	31
PID 1264 wrote to memory of 2328	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	32
PID 1264 wrote to memory of 2328	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	32
PID 1264 wrote to memory of 2328	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	32
PID 1264 wrote to memory of 2328	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	32
PID 1264 wrote to memory of 2256	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	33
PID 1264 wrote to memory of 2256	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	33
PID 1264 wrote to memory of 2256	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	33
PID 1264 wrote to memory of 2256	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	33
PID 1264 wrote to memory of 2664	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	34
PID 1264 wrote to memory of 2664	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	34
PID 1264 wrote to memory of 2664	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	34
PID 1264 wrote to memory of 2664	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	34
PID 1264 wrote to memory of 2304	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	35
PID 1264 wrote to memory of 2304	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	35
PID 1264 wrote to memory of 2304	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	35
PID 1264 wrote to memory of 2304	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	35
PID 1264 wrote to memory of 2680	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	36
PID 1264 wrote to memory of 2680	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	36
PID 1264 wrote to memory of 2680	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	36
PID 1264 wrote to memory of 2680	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	36
PID 1264 wrote to memory of 2084	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	37
PID 1264 wrote to memory of 2084	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	37
PID 1264 wrote to memory of 2084	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	37
PID 1264 wrote to memory of 2084	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	37
PID 1264 wrote to memory of 2676	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	38
PID 1264 wrote to memory of 2676	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	38
PID 1264 wrote to memory of 2676	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	38
PID 1264 wrote to memory of 2676	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	38
PID 1264 wrote to memory of 2716	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	39
PID 1264 wrote to memory of 2716	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	39
PID 1264 wrote to memory of 2716	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	39
PID 1264 wrote to memory of 2716	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	39
PID 1264 wrote to memory of 2804	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	41
PID 1264 wrote to memory of 2804	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	41
PID 1264 wrote to memory of 2804	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	41
PID 1264 wrote to memory of 2804	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	41
PID 1264 wrote to memory of 2768	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	42
PID 1264 wrote to memory of 2768	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	42
PID 1264 wrote to memory of 2768	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	42
PID 1264 wrote to memory of 2768	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	42
PID 1264 wrote to memory of 2728	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	43
PID 1264 wrote to memory of 2728	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	43
PID 1264 wrote to memory of 2728	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	43
PID 1264 wrote to memory of 2728	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	43
PID 1264 wrote to memory of 2848	1264	JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec66039a528d408d7f9082d7515ccfd3.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
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:844
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2328
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2256
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2664
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2304
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2680
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2084
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2676
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2716
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2804
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2768
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2728
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2848
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2580
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2416
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Cityscap\facco.exe

Filesize
640KB

MD5
ec66039a528d408d7f9082d7515ccfd3

SHA1
0b3e6be03452d870c93057a0386ed6560ce986da

SHA256
2d95635efe5cf1cff44e79fd4fc33cc39b98448dc60614a9f47b9dd936141110

SHA512
0efff3abf29b925717f1dbfd6ebffcc9baa44b84f5531ba2868570b2134cbe3fcd088da12189bbc4a7f4bae941d777f4fe0d7a7539a83db4ac9578a22aac17e2

Download Submit
memory/844-24-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/844-26-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/1264-14-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/1264-29-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/1264-16-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/1264-13-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/1268-4-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-1-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/1268-12-0x0000000000401000-0x0000000000478000-memory.dmp

Filesize
476KB

Download
memory/1268-9-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/1268-2-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-3-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-17-0x0000000002C80000-0x0000000002E4F000-memory.dmp

Filesize
1.8MB

Download
memory/1268-18-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/1268-0-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/1268-5-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-6-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-7-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/1268-8-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads