xtremerat | a561c2d16b453b7f1fc9e1c1785ed9b9eaef89fe2aea403e33c06bf82c954224

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 08:04

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General

Target

bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe
Size

31KB
MD5

bc73c393beda32f283c9f5d470ff4168
SHA1

b54f808f663612a7ad39c0d6c3ef3857da440ac3
SHA256

a561c2d16b453b7f1fc9e1c1785ed9b9eaef89fe2aea403e33c06bf82c954224
SHA512

a9f120ae382396ccca2adec331ebbcab5eef398fa6c4c4bac7d0f9da78181dd3f2bc1db9e4951b5ec7990a890c4e12fa65b2efca8ecc816a63eb5b7c1d3a1ae0
SSDEEP

768:csuijtHf5g7/MjN3Ha4LWqY+5cpSMuRRRzv4/+5jutPQvLdjm:1NW70x6ALBwNURjm

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/460-1-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/2428-3-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/460-4-0x0000000010000000-0x000000001004B000-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/2428-0-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/460-1-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/2428-3-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/460-4-0x0000000010000000-0x000000001004B000-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
2444	460	WerFault.exe	83
4204	460	WerFault.exe	83

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	bc73c393beda32f283c9f5d470ff4168_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 2428 wrote to memory of 460	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	83
PID 2428 wrote to memory of 460	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	83
PID 2428 wrote to memory of 460	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	83
PID 2428 wrote to memory of 460	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	83
PID 2428 wrote to memory of 2152	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	84
PID 2428 wrote to memory of 2152	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	84
PID 2428 wrote to memory of 2152	2428	bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bc73c393beda32f283c9f5d470ff4168_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 480
    3⤵
    - Program crash
    PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 476
    3⤵
    - Program crash
    PID:4204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 460 -ip 460
1⤵
PID:696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 460 -ip 460
1⤵
PID:2848

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

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Downloads

memory/460-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/460-4-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2428-0-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2428-3-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download