xtremerat | c01ba8ff3b67562f9943d72bcacb2c9f7673ff54f221b6c75e4c571336d72eda

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 13:28

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General

Target

JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe
Size

81KB
MD5

575f15ddf7970c1288ab5c7a57a53797
SHA1

5e8b9a879b6aab8872ae492056dfaaab3dbe50c0
SHA256

c01ba8ff3b67562f9943d72bcacb2c9f7673ff54f221b6c75e4c571336d72eda
SHA512

a51e670efc8c7cd5ac8ac272de16fc12ad13fac4513aed899530acdc71304b44f8fc96019eb391138b566cfde9f7f0c7c503fae56e89b510ededbc19268900ea
SSDEEP

768:NBr+tjFqTPkAlfzsB1lr6an3emTASuvm2lzo+ICEeU2FMQ8P2o:zyRUHlrI1lr6anZT9uvm21o+If6MQ8P

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2620-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	family_xtremerat
behavioral1/memory/2620-1-0x0000000000C80000-0x0000000000C96000-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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2620-0-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx
behavioral1/memory/2620-1-0x0000000000C80000-0x0000000000C96000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2224	2620	WerFault.exe	29

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_575f15ddf7970c1288ab5c7a57a53797.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2224	2620	JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe	30
PID 2620 wrote to memory of 2224	2620	JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe	30
PID 2620 wrote to memory of 2224	2620	JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe	30
PID 2620 wrote to memory of 2224	2620	JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_575f15ddf7970c1288ab5c7a57a53797.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 160
  2⤵
  - Program crash
  PID:2224

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

Replay Monitor

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Downloads

memory/2620-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download
memory/2620-1-0x0000000000C80000-0x0000000000C96000-memory.dmp

Filesize
88KB

Download