xtremerat | f0c6cea78a2df1ec2f0da1ef59f8fd1be6d513150f2aa5d458d171b56590f319

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 01:23

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General

Target

8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe
Size

259KB
MD5

8e73e51ee73256907b65ab143d1b51ce
SHA1

b1268e89fc37448f48c81e6fa9f07048cb4da946
SHA256

f0c6cea78a2df1ec2f0da1ef59f8fd1be6d513150f2aa5d458d171b56590f319
SHA512

ac32434ebdcd8337a10f236946f74ad911bb4a63ea9f17e81b1913b845112dfe91d3acc504987959b231241dce780a5e1df650aec41190d39cd5ba132f22b466
SSDEEP

6144:1HaNZC0ivWwzP4f0ZQUUkHVgxb6dq8/BxjH0I3pxyN90vE:QWIwllUkHVg96k6xjlHy90

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/820-3-0x0000000010000000-0x000000001004A000-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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1228 set thread context of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1168	820	WerFault.exe	86

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	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86
PID 1228 wrote to memory of 820	1228	8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e73e51ee73256907b65ab143d1b51ce_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 12
    3⤵
    - Program crash
    PID:1168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 820 -ip 820
1⤵
PID:3664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Replay Monitor

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Downloads

memory/820-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1228-0-0x0000000074F92000-0x0000000074F93000-memory.dmp

Filesize
4KB

Download
memory/1228-1-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/1228-2-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download
memory/1228-5-0x0000000074F90000-0x0000000075541000-memory.dmp

Filesize
5.7MB

Download