xtremerat | 1538b7406bc0c3f1d8fc6e83d5e87071ecff1632e13909bbacabe337ecd09f09

Analysis

max time kernel
148s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 06:07

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General

Target

JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
Size

788KB
MD5

a18f1578fec60da63811257fe3829b0e
SHA1

bc6d198258cf6fdc1336ca77edbc427fb65aa03e
SHA256

1538b7406bc0c3f1d8fc6e83d5e87071ecff1632e13909bbacabe337ecd09f09
SHA512

9615650d415025c169d439294bdd943a02724831e6f4707917c5668a12b8a16a848f96d9871e83f6135cbc80b1de2b4ccb765a26b57eae5c744ff2e6673744d1
SSDEEP

12288:mYaIc7AtPbuGa+BSkEpzmUyyJVzYKj86snJ:7X04PbFBSkcmUyyJpYOeJ

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3972-41-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3972-42-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3972-43-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/3972-47-0x0000000010000000-0x0000000010048000-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 3448 set thread context of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\fdjjd\ghdfgt.dll	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
File created	C:\Program Files (x86)\fdjjd\ghdfgt.dll	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.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 2 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_a18f1578fec60da63811257fe3829b0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
3972	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83
PID 3448 wrote to memory of 3972	3448	JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a18f1578fec60da63811257fe3829b0e.exe
  2⤵
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3448-17-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-38-0x0000000000401000-0x0000000000592000-memory.dmp

Filesize
1.6MB

Download
memory/3448-36-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-18-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-35-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-34-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-33-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-32-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3448-31-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-30-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-19-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-28-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-0-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3448-26-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-25-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-24-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-22-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3448-23-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-21-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-20-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-29-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-37-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/3448-27-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-16-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-15-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-14-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-13-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-12-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-11-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-10-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-9-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-8-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-7-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3448-6-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-5-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-4-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-3-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-2-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-1-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3448-45-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/3972-42-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3972-43-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3972-41-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/3972-47-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download