xtremerat | 288c279fee437e0cfd002aef8c148b8154029ef327bb02e8f01bc2d1edb5e068

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 17:27

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General

Target

JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe
Size

83KB
MD5

6e43234dbda3f0a5da105d9811ba6760
SHA1

9ba47043a736e894fdeabd72740a02a54553fba5
SHA256

288c279fee437e0cfd002aef8c148b8154029ef327bb02e8f01bc2d1edb5e068
SHA512

9871df50c9072d4cd74bba19ac5303dfd41504f59caaf68bffdb03971b9bca640ac7bedd9274bf5c6eea4f79406177b2d2b394807a70cad2f4571696f53f72d7
SSDEEP

1536:KZybZiCrb2LRenc8IKneYudjdhmdLdWdId5dfdQdFdodJd+dydPdidhJYpTW3HUU:KZAZiCrb2LX8dneYudjdhmdLdWdId5dy

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/4004-4-0x0000000000C80000-0x0000000000C96000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4004-3-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral2/memory/4004-4-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3468	4004	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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_6e43234dbda3f0a5da105d9811ba6760.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83
PID 1608 wrote to memory of 4004	1608	JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e43234dbda3f0a5da105d9811ba6760.exe
  2⤵
  PID:4004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 376
    3⤵
    - Program crash
    PID:3468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 4004
1⤵
PID:4656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1608-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1608-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4004-3-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4004-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/4004-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download