xtremerat | a45fd35b5abaa6f5336e7be70633ad6835b9010260c7da463d196279866ddd9b

General

Target

JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe
Size

647KB
MD5

c4d68b8c618bfad2459943e06f1f177c
SHA1

617ebff247f2e94f6ad3121e431cadf546cd3af6
SHA256

a45fd35b5abaa6f5336e7be70633ad6835b9010260c7da463d196279866ddd9b
SHA512

a032c036b40a4b9db2313ffc71a41d064f07569de87a7798c3bf9fdc85236b8a611354be0b4f60c63171b5e0aa06202648d9137b3cc2759dc3c8478c0bb69eb5
SSDEEP

12288:dc2zkJ/kM/0PNyPWUCK/lGRgOUqmq9kR6lhKXLvRBF8eYF83r8:dc2A5s1K/cRgOnmq9g6m3F8eYC78

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

surrogates7.no-ip.org

Signatures

Detect XtremeRAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2904-25-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-31-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-37-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-36-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-33-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-29-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2904-27-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2884-43-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-46-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral1/memory/2712-48-0x0000000010000000-0x000000001004A000-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\{YQ4816JP-5I33-A1S3-71C8-ORPQ5261A24R}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YQ4816JP-5I33-A1S3-71C8-ORPQ5261A24R}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{YQ4816JP-5I33-A1S3-71C8-ORPQ5261A24R}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YQ4816JP-5I33-A1S3-71C8-ORPQ5261A24R}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	explorer.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe"	explorer.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30

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 4 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	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe
2712	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2872 wrote to memory of 2904	2872	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	30
PID 2904 wrote to memory of 2884	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	31
PID 2904 wrote to memory of 2884	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	31
PID 2904 wrote to memory of 2884	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	31
PID 2904 wrote to memory of 2884	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	31
PID 2904 wrote to memory of 2884	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	31
PID 2904 wrote to memory of 2712	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	32
PID 2904 wrote to memory of 2712	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	32
PID 2904 wrote to memory of 2712	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	32
PID 2904 wrote to memory of 2712	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	32
PID 2904 wrote to memory of 2712	2904	JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4d68b8c618bfad2459943e06f1f177c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - 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:2884
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Deletes itself
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2712

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\InstallDir\svchost.exe

Filesize
647KB

MD5
c4d68b8c618bfad2459943e06f1f177c

SHA1
617ebff247f2e94f6ad3121e431cadf546cd3af6

SHA256
a45fd35b5abaa6f5336e7be70633ad6835b9010260c7da463d196279866ddd9b

SHA512
a032c036b40a4b9db2313ffc71a41d064f07569de87a7798c3bf9fdc85236b8a611354be0b4f60c63171b5e0aa06202648d9137b3cc2759dc3c8478c0bb69eb5

Download Submit
memory/2712-46-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2712-48-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2872-16-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2872-6-0x0000000002510000-0x0000000002511000-memory.dmp

Filesize
4KB

Download
memory/2872-3-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/2872-11-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/2872-14-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/2872-13-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/2872-12-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/2872-10-0x00000000035C0000-0x00000000035C3000-memory.dmp

Filesize
12KB

Download
memory/2872-9-0x00000000035D0000-0x00000000035D1000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/2872-7-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/2872-17-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2872-18-0x00000000035E0000-0x00000000035E1000-memory.dmp

Filesize
4KB

Download
memory/2872-0-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2872-1-0x0000000000380000-0x00000000003E0000-memory.dmp

Filesize
384KB

Download
memory/2872-4-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/2872-5-0x0000000002540000-0x0000000002541000-memory.dmp

Filesize
4KB

Download
memory/2872-39-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2872-40-0x0000000000380000-0x00000000003E0000-memory.dmp

Filesize
384KB

Download
memory/2884-43-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-33-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-29-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-27-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-24-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-21-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-36-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-37-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-31-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/2904-25-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads