xtremerat | c9198b50e234c46c77dcc7681ccd8ba2420ad9f73b9af3024270a5768af2e2ac

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 12:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe
Size

31KB
MD5

c7b74b9600b9001ef416141e4343ce52
SHA1

024eccafad18bd1e7b39cbc69e514ff2622a1504
SHA256

c9198b50e234c46c77dcc7681ccd8ba2420ad9f73b9af3024270a5768af2e2ac
SHA512

71d94bc44b9a37d991f949f4b941e9dcf3200d3386959489ae5700c0ce033a0add89d5271b2d6426b5e20c9f8ec48d87e0b5f34c267706c58a80817f55ef8b2a
SSDEEP

768:xsuijtHf5g7/MjN3Ha4LWqY+5cpSMuRRRzv4/+5jU+mDjM:6NW70x6ALBwZ+A

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

laylaylom.no-ip.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4480-1-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4712-3-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/4480-4-0x0000000010000000-0x000000001004B000-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 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4712-0-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4480-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4712-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4480-4-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3164	4480	WerFault.exe	82
4844	4480	WerFault.exe	82

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	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4480	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	82
PID 4712 wrote to memory of 4480	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	82
PID 4712 wrote to memory of 4480	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	82
PID 4712 wrote to memory of 4480	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	82
PID 4712 wrote to memory of 916	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	83
PID 4712 wrote to memory of 916	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	83
PID 4712 wrote to memory of 916	4712	c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7b74b9600b9001ef416141e4343ce52_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 480
    3⤵
    - Program crash
    PID:3164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 488
    3⤵
    - Program crash
    PID:4844
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4480 -ip 4480
1⤵
PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4480 -ip 4480
1⤵
PID:4084

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

Loading Replay Monitor...

Downloads

memory/4480-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4480-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4712-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/4712-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download