xtremerat | af4567a340e66f614469c0aa93ee3dd3b528b2a528d322ef26cb5a6413bc678f

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 01:28

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General

Target

JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe
Size

65KB
MD5

32f8b371bf04cf9ebd1f8d6e5b0e4b7e
SHA1

6e92c27d7540328b79add4ddcd2db373378d0183
SHA256

af4567a340e66f614469c0aa93ee3dd3b528b2a528d322ef26cb5a6413bc678f
SHA512

7214b96def4546b5610e3925c6e6f4e7b58e2f28e97efc3542efa1913d34e39b9ae7a2d47fdaffef3f78530ef725b72af3c926d909fdf93d197ef38c3d7f82b0
SSDEEP

768:e8m1Sq4NQErBsH1tzoisBKQI6dObAG/dqOXHsoAx5JXrUqLOY0pYKnA+7PoNwiz0:ssq+QV4rObAdNoAf5UqiYmlArNwOozVx

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4424-0-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4488-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4424-2-0x0000000010000000-0x000000001004A000-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
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
4356	4424	WerFault.exe	83
1188	4424	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_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4424	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	83
PID 4488 wrote to memory of 4424	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	83
PID 4488 wrote to memory of 4424	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	83
PID 4488 wrote to memory of 4424	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	83
PID 4488 wrote to memory of 3044	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	84
PID 4488 wrote to memory of 3044	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	84
PID 4488 wrote to memory of 3044	4488	JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_32f8b371bf04cf9ebd1f8d6e5b0e4b7e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 480
    3⤵
    - Program crash
    PID:4356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 488
    3⤵
    - Program crash
    PID:1188
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4424 -ip 4424
1⤵
PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4424 -ip 4424
1⤵
PID:1160

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

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Downloads

memory/4424-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4424-2-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4488-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download