xtremerat | 2f5baa0c289d735f4d70b826daced0039d6eebe12e0ede61292c18ecd2bebf07

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
03-01-2025 07:14

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General

Target

JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe
Size

283KB
MD5

6b03441c9b9cce4525878f01c74abca9
SHA1

80bc3db4b79ce435e93027fc476c4ffdf2e3f62c
SHA256

2f5baa0c289d735f4d70b826daced0039d6eebe12e0ede61292c18ecd2bebf07
SHA512

5aff9e321d9ac4fb7c0a63d285b25a676c2ec30015a64a2283d67f172a9fba6bf336f16e0f4f9791c6f5af170de1f426e3f1f884b782ac22b900116f6467d263
SSDEEP

768:TGsdq7QJTlbUP3EwomeRih8jLlLDhKDSGU2+rD7gtS4gEHY:ysdq7QgP0ZNWb+aY

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3408-0-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/4860-1-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/3408-2-0x0000000010000000-0x0000000010049000-memory.dmp	family_xtremerat
behavioral2/memory/4860-3-0x0000000010000000-0x0000000010049000-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/3408-0-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/4860-1-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/3408-2-0x0000000010000000-0x0000000010049000-memory.dmp	upx
behavioral2/memory/4860-3-0x0000000010000000-0x0000000010049000-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
3620	4860	WerFault.exe	83
1596	4860	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_6b03441c9b9cce4525878f01c74abca9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 4860	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	83
PID 3408 wrote to memory of 4860	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	83
PID 3408 wrote to memory of 4860	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	83
PID 3408 wrote to memory of 4860	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	83
PID 3408 wrote to memory of 812	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	84
PID 3408 wrote to memory of 812	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	84
PID 3408 wrote to memory of 812	3408	JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b03441c9b9cce4525878f01c74abca9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 480
    3⤵
    - Program crash
    PID:3620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 488
    3⤵
    - Program crash
    PID:1596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4860 -ip 4860
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4860 -ip 4860
1⤵
PID:3632

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/3408-0-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/3408-2-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/4860-1-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download
memory/4860-3-0x0000000010000000-0x0000000010049000-memory.dmp

Filesize
292KB

Download