xtremerat | 504ef733f5192ed63ab730b6895cdf25a964cee0f4308f63a6cf4d678c77676b

Analysis

max time kernel
147s
max time network
144s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 18:08

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General

Target

JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
Size

514KB
MD5

671ec688cbd6ea58c6dbc73883e3d036
SHA1

0cf3e68ef37c43f96c5147908901b446f2a634bc
SHA256

504ef733f5192ed63ab730b6895cdf25a964cee0f4308f63a6cf4d678c77676b
SHA512

fbddbdf308767f6361eceb4d9e6ff9e2f7795aea6b49cc0650d90ecf47d207fbd70718e79961f086e7ff3ed1a00d6cbae861b713904466c07a32a31a80d348a3
SSDEEP

6144:gAnDEjA3sVxW6ibaBH31pBukR+amQHifGM3ufJMoVhPaXw966y0Zq:gN26ibaBH8QH2+JbV1agpI

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

gotti78.no-ip.org

Signatures

Detect XtremeRAT payload 13 IoCs

resource	yara_rule
behavioral1/memory/2856-5-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-13-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-14-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-12-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-11-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-7-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-4-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2068-23-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2684-27-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2856-28-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral1/memory/2684-30-0x0000000000C80000-0x0000000000C93000-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
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\{6KGHL7YW-71Y6-AKM4-V71C-617TLSE64J61}	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{6KGHL7YW-71Y6-AKM4-V71C-617TLSE64J61}\StubPath = "C:\\Windows\\system32\\Winrar.exe restart"	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{6KGHL7YW-71Y6-AKM4-V71C-617TLSE64J61}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{6KGHL7YW-71Y6-AKM4-V71C-617TLSE64J61}\StubPath = "C:\\Windows\\system32\\Winrar.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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Winrar.exe"	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Winrar.exe"	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Winrar.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\\Winrar.exe"	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Winrar.exe	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
File created	C:\Windows\SysWOW64\Winrar.exe	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
File opened for modification	C:\Windows\SysWOW64\	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.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_671ec688cbd6ea58c6dbc73883e3d036.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_671ec688cbd6ea58c6dbc73883e3d036.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
2684	explorer.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2868 wrote to memory of 2856	2868	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	30
PID 2856 wrote to memory of 2068	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	31
PID 2856 wrote to memory of 2068	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	31
PID 2856 wrote to memory of 2068	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	31
PID 2856 wrote to memory of 2068	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	31
PID 2856 wrote to memory of 2068	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	31
PID 2856 wrote to memory of 2952	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	32
PID 2856 wrote to memory of 2952	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	32
PID 2856 wrote to memory of 2952	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	32
PID 2856 wrote to memory of 2952	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	32
PID 2856 wrote to memory of 2808	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	33
PID 2856 wrote to memory of 2808	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	33
PID 2856 wrote to memory of 2808	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	33
PID 2856 wrote to memory of 2808	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	33
PID 2856 wrote to memory of 2252	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	34
PID 2856 wrote to memory of 2252	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	34
PID 2856 wrote to memory of 2252	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	34
PID 2856 wrote to memory of 2252	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	34
PID 2856 wrote to memory of 2572	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	35
PID 2856 wrote to memory of 2572	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	35
PID 2856 wrote to memory of 2572	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	35
PID 2856 wrote to memory of 2572	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	35
PID 2856 wrote to memory of 2800	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	36
PID 2856 wrote to memory of 2800	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	36
PID 2856 wrote to memory of 2800	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	36
PID 2856 wrote to memory of 2800	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	36
PID 2856 wrote to memory of 2684	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	37
PID 2856 wrote to memory of 2684	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	37
PID 2856 wrote to memory of 2684	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	37
PID 2856 wrote to memory of 2684	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	37
PID 2856 wrote to memory of 2684	2856	JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671ec688cbd6ea58c6dbc73883e3d036.exe"
  2⤵
  - 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:2856
- - 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:2068
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2952
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2808
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2252
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2572
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2800
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2684

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\SysWOW64\Winrar.exe

Filesize
514KB

MD5
671ec688cbd6ea58c6dbc73883e3d036

SHA1
0cf3e68ef37c43f96c5147908901b446f2a634bc

SHA256
504ef733f5192ed63ab730b6895cdf25a964cee0f4308f63a6cf4d678c77676b

SHA512
fbddbdf308767f6361eceb4d9e6ff9e2f7795aea6b49cc0650d90ecf47d207fbd70718e79961f086e7ff3ed1a00d6cbae861b713904466c07a32a31a80d348a3

Download Submit
memory/2068-23-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2684-30-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2684-27-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-2-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-14-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-28-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download
memory/2856-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download