xtremerat | 690920c2892236ec4eeb145b180ef63972c556b8b2a561cf87733570cffc7cb4

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
14/03/2025, 09:01

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General

Target

JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe
Size

33KB
MD5

73d2c024b09ef0605863be885cad1dc3
SHA1

df3c5b39f4fdf72881a435f28b8a9d8a300e793e
SHA256

690920c2892236ec4eeb145b180ef63972c556b8b2a561cf87733570cffc7cb4
SHA512

c0bbb6f8319f1fa2a9b5ea5f87523036ba71b8738109ff4b9029ad5b497924dea7c4819e84ff4a16a595082ac16b929f72630d3c49cbef53c816e4d641c2fbe3
SSDEEP

768:/MuijtHf5g7/IIG3bGjYDBSvFIWuePQtv66lJTUgg:UNW71rjYDAWeotvXl2

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2400-1-0x0000000010000000-0x000000001004D000-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/2400-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2400-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	2400	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_73d2c024b09ef0605863be885cad1dc3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2344	2400	JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe	30
PID 2400 wrote to memory of 2344	2400	JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe	30
PID 2400 wrote to memory of 2344	2400	JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe	30
PID 2400 wrote to memory of 2344	2400	JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73d2c024b09ef0605863be885cad1dc3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 160
  2⤵
  - Program crash
  PID:2344

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/2400-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

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memory/2400-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download