xtremerat | 1bdd7c476162c7e8b30b575cf0311e7d31ad68596e9998a970d57be43cdd7484

Analysis

max time kernel
92s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 01:22

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General

Target

JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe
Size

72KB
MD5

695f9351453f1e254ee9b554a3b9f6ea
SHA1

9232438de7d5cfe530676d5f9f6e37cab6ecdcc2
SHA256

1bdd7c476162c7e8b30b575cf0311e7d31ad68596e9998a970d57be43cdd7484
SHA512

dd7a0f51eecd43864c0860dd1240e6954dd4326cb6803cf38d236d06dc4e85e340e9b98039497f46825bc3ddeb6d5f74634448f7a84a0582bd9231fd527a7b1f
SSDEEP

1536:MNW71rcYDAWeotvXluaCFWP9RNmRDXibnOqkSZZZ3rH:MNW7dEvotvXgJUPdmRDSbgUr

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

눩缸跼耀ĕ诀൷䆮⮇杦㍦䤄䞰�瘬쓖䲔ຑ⩩눦缸⩃耀Ě暒恭霅竱譀뇒꜀暞婤讐凰䳴鵨눣缸ᙎ耀ğ㪚࠵naffa3.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4760-1-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/4628-3-0x0000000010000000-0x000000001005F000-memory.dmp	family_xtremerat
behavioral2/memory/4760-5-0x0000000010000000-0x000000001005F000-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/4628-0-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4760-1-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4628-3-0x0000000010000000-0x000000001005F000-memory.dmp	upx
behavioral2/memory/4760-5-0x0000000010000000-0x000000001005F000-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
3212	4760	WerFault.exe	83
3184	4760	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	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4760	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	83
PID 4628 wrote to memory of 4760	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	83
PID 4628 wrote to memory of 4760	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	83
PID 4628 wrote to memory of 4760	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	83
PID 4628 wrote to memory of 1552	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	84
PID 4628 wrote to memory of 1552	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	84
PID 4628 wrote to memory of 1552	4628	JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_695f9351453f1e254ee9b554a3b9f6ea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 480
    3⤵
    - Program crash
    PID:3212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 500
    3⤵
    - Program crash
    PID:3184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4760 -ip 4760
1⤵
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4760 -ip 4760
1⤵
PID:4144

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/4628-0-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4628-3-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4760-1-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download
memory/4760-5-0x0000000010000000-0x000000001005F000-memory.dmp

Filesize
380KB

Download