xtremerat | 0083368b067aa3f155ea2d7227f6067c3ebab6af81af6debd16b746a073094b6

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
13/03/2025, 15:08

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General

Target

JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe
Size

75KB
MD5

7117256984c09fa5bfa73d7b30325bc3
SHA1

86e140e46c13ccdaab17b5a104fac15fd6b210b2
SHA256

0083368b067aa3f155ea2d7227f6067c3ebab6af81af6debd16b746a073094b6
SHA512

11d425341ce55e917ba9a56929eb1682191eb1ea735dc64d302f789d8eded6f729dd26799d50c82084a925caac39c83b8bbfa72c8f1780e25020231022475087
SSDEEP

768:nE9haBvbq2Ozhaljxi+VmC4OGWzolZOp692tKRh:nugjzO4jxi+Vd4lKoo+yC

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

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/2736-0-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx
behavioral1/memory/2736-1-0x0000000000C80000-0x0000000000C95000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2656	2736	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_7117256984c09fa5bfa73d7b30325bc3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2656	2736	JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe	30
PID 2736 wrote to memory of 2656	2736	JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe	30
PID 2736 wrote to memory of 2656	2736	JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe	30
PID 2736 wrote to memory of 2656	2736	JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7117256984c09fa5bfa73d7b30325bc3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 160
  2⤵
  - Program crash
  PID:2656

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/2736-0-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

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memory/2736-1-0x0000000000C80000-0x0000000000C95000-memory.dmp

Filesize
84KB

Download