xtremerat | 0db379fbd85259c02e205ae9928c2c6eaa67a01855de378151a76791b801b967

Analysis

max time kernel
147s
max time network
143s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 04:07

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General

Target

249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
Size

236KB
MD5

249465d1606903a36d425b536e1c6820
SHA1

87d2ce49be0b62df606f4796533da6da2611e233
SHA256

0db379fbd85259c02e205ae9928c2c6eaa67a01855de378151a76791b801b967
SHA512

874d0a59bb2ee2a48d8fba14f57dbf9cb4a34d1266a715b5bc81287b08912d7c9d8e0fb90f3052d6902012f6b0f43959e5f087242029693fd85c3e7827a05e0e
SSDEEP

6144:3mhEHu+ufcxIrsbM9LKT0H1VVI/F7ZJJ5RIBXwVxlZHT:dHutjrsbQ6CVeLswDlB

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

dzxdz.no-ip.info

Signatures

Detect XtremeRAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2904-15-0x0000000000C80000-0x0000000000CA0000-memory.dmp	family_xtremerat
behavioral1/memory/2916-20-0x0000000000C80000-0x0000000000CA0000-memory.dmp	family_xtremerat
behavioral1/memory/2340-21-0x0000000000C80000-0x0000000000CA0000-memory.dmp	family_xtremerat
behavioral1/memory/2916-25-0x0000000000C80000-0x0000000000CA0000-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:

249465d1606903a36d425b536e1c6820_JaffaCakes118.exesvchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{3M0TC4T7-H41P-7321-8NVH-0H4MDWARQVWU}	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{3M0TC4T7-H41P-7321-8NVH-0H4MDWARQVWU}\StubPath = "C:\\Windows\\system32\\win\\winrer.exe restart"	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{3M0TC4T7-H41P-7321-8NVH-0H4MDWARQVWU}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{3M0TC4T7-H41P-7321-8NVH-0H4MDWARQVWU}\StubPath = "C:\\Windows\\system32\\win\\winrer.exe restart"	svchost.exe

Molebox Virtualization software 1 IoCs
Detects file using Molebox Virtualization software.

Processes:

resource yara_rule

C:\Windows\SysWOW64\win\winrer.exe molebox

resource	yara_rule
C:\Windows\SysWOW64\win\winrer.exe	molebox

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe249465d1606903a36d425b536e1c6820_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\win\\winrer.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\win\\winrer.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\win\\winrer.exe"	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\win\\winrer.exe"	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

Processes:

249465d1606903a36d425b536e1c6820_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\win\winrer.exe	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\win\winrer.exe	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\win\	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

notepad.exe

pid process

2916 notepad.exe

pid	process
2916	notepad.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

249465d1606903a36d425b536e1c6820_JaffaCakes118.exe

description	pid	process	target process
PID 2340 wrote to memory of 2904	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	svchost.exe
PID 2340 wrote to memory of 2904	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	svchost.exe
PID 2340 wrote to memory of 2904	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	svchost.exe
PID 2340 wrote to memory of 2904	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	svchost.exe
PID 2340 wrote to memory of 2904	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	svchost.exe
PID 2340 wrote to memory of 2916	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	notepad.exe
PID 2340 wrote to memory of 2916	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	notepad.exe
PID 2340 wrote to memory of 2916	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	notepad.exe
PID 2340 wrote to memory of 2916	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	notepad.exe
PID 2340 wrote to memory of 2916	2340	249465d1606903a36d425b536e1c6820_JaffaCakes118.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\249465d1606903a36d425b536e1c6820_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\249465d1606903a36d425b536e1c6820_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
PID:2904

C:\Windows\SysWOW64\notepad.exe
notepad.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:2916

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Windows\SysWOW64\win\winrer.exe
Filesize
236KB

MD5
249465d1606903a36d425b536e1c6820

SHA1
87d2ce49be0b62df606f4796533da6da2611e233

SHA256
0db379fbd85259c02e205ae9928c2c6eaa67a01855de378151a76791b801b967

SHA512
874d0a59bb2ee2a48d8fba14f57dbf9cb4a34d1266a715b5bc81287b08912d7c9d8e0fb90f3052d6902012f6b0f43959e5f087242029693fd85c3e7827a05e0e

Download Submit
memory/2340-21-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download
memory/2340-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2340-4-0x0000000075B91000-0x0000000075B92000-memory.dmp

Filesize
4KB

Download
memory/2340-2-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/2340-5-0x0000000075B80000-0x0000000075C90000-memory.dmp

Filesize
1.1MB

Download
memory/2340-6-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download
memory/2340-3-0x0000000077740000-0x0000000077741000-memory.dmp

Filesize
4KB

Download
memory/2340-23-0x0000000075B80000-0x0000000075C90000-memory.dmp

Filesize
1.1MB

Download
memory/2340-22-0x00000000002C0000-0x0000000000312000-memory.dmp

Filesize
328KB

Download
memory/2340-1-0x00000000002C0000-0x0000000000312000-memory.dmp

Filesize
328KB

Download
memory/2904-17-0x0000000075B80000-0x0000000075C90000-memory.dmp

Filesize
1.1MB

Download
memory/2904-14-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download
memory/2904-15-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download
memory/2916-20-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download
memory/2916-25-0x0000000000C80000-0x0000000000CA0000-memory.dmp

Filesize
128KB

Download