xtremerat | 54072487e398c918ee2f2962c2195f4e0712654d954035e6df3390b8cd18ec48

General

Target

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
Size

160KB
MD5

5e0eee66ca4878538b0cb90f6106e880
SHA1

1aa7757a863b4c7392eb2bb2691c88884e389ad8
SHA256

54072487e398c918ee2f2962c2195f4e0712654d954035e6df3390b8cd18ec48
SHA512

d2b573aaf1cf870af1fb7c0eb6abe2575eca8647226567dbbe172f57408b27003fbf295c59189ca2dc38eade9f80bacfc9972ec1f06d515c416a176461a24708
SSDEEP

3072:XvhFBDi9gGx+hXbGF3Gb0aRQFhpghWQe/Gf287GeApi/8mjrE3G://Mhx+hOGbnRQqwt/GHGewiEmjrGG

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2420-3-0x0000000000C80000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral1/memory/2420-4-0x0000000000C80000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral1/memory/1888-10-0x0000000000C80000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral1/memory/2540-14-0x0000000000C80000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral1/memory/2420-15-0x0000000000C80000-0x0000000000CA8000-memory.dmp	family_xtremerat
behavioral1/memory/2540-17-0x0000000000C80000-0x0000000000CA8000-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:

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{AIR72352-2LSO-8IJF-IVMH-802565IM21L3}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{AIR72352-2LSO-8IJF-IVMH-802565IM21L3}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{AIR72352-2LSO-8IJF-IVMH-802565IM21L3}\StubPath = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{AIR72352-2LSO-8IJF-IVMH-802565IM21L3}	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\Server.exe	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	5e0eee66ca4878538b0cb90f6106e880_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:

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exesvchost.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2540 explorer.exe

pid	process
2540	explorer.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe

description	pid	process	target process
PID 2420 wrote to memory of 1888	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	svchost.exe
PID 2420 wrote to memory of 1888	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	svchost.exe
PID 2420 wrote to memory of 1888	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	svchost.exe
PID 2420 wrote to memory of 1888	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	svchost.exe
PID 2420 wrote to memory of 1888	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	svchost.exe
PID 2420 wrote to memory of 2540	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	explorer.exe
PID 2420 wrote to memory of 2540	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	explorer.exe
PID 2420 wrote to memory of 2540	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	explorer.exe
PID 2420 wrote to memory of 2540	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	explorer.exe
PID 2420 wrote to memory of 2540	2420	5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e0eee66ca4878538b0cb90f6106e880_JaffaCakes118.exe"
1⤵
- 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 WriteProcessMemory
PID:2420
- 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:1888
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2540

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\InstallDir\Server.exe

Filesize
160KB

MD5
5e0eee66ca4878538b0cb90f6106e880

SHA1
1aa7757a863b4c7392eb2bb2691c88884e389ad8

SHA256
54072487e398c918ee2f2962c2195f4e0712654d954035e6df3390b8cd18ec48

SHA512
d2b573aaf1cf870af1fb7c0eb6abe2575eca8647226567dbbe172f57408b27003fbf295c59189ca2dc38eade9f80bacfc9972ec1f06d515c416a176461a24708

Download Submit
memory/1888-8-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/1888-10-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2420-0-0x0000000000C81000-0x0000000000C83000-memory.dmp

Filesize
8KB

Download
memory/2420-3-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2420-2-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2420-1-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2420-4-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2420-15-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2540-14-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2540-17-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads