xtremerat | 90c0778983b996a66c982445feb1005bf154668ba22dec3b046243264e8c0177

Analysis

max time kernel
93s
max time network
144s
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 20:03

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General

Target

JaffaCakes118_6f3a303663e80081071ad701f4990561.exe
Size

171KB
MD5

6f3a303663e80081071ad701f4990561
SHA1

09c4740738c7002a1d15ccdac7aca33db15061a5
SHA256

90c0778983b996a66c982445feb1005bf154668ba22dec3b046243264e8c0177
SHA512

89d8c09dd05baa93554a9661ed9839eb7559fc4a7d71a23594c1629c04fedfb2f58bd8747613dc00ec3b62450e383a18d085701f3ae5e3acda371b438f52c151
SSDEEP

3072:98t/4wsnUL0NWYinAo0K/fsvze6xInruqkz+pA4jlrVocBw:lwsnUYNeAlK/Oy6xArYdUacB

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/2184-3-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4436	2184	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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_6f3a303663e80081071ad701f4990561.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83
PID 5004 wrote to memory of 2184	5004	JaffaCakes118_6f3a303663e80081071ad701f4990561.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f3a303663e80081071ad701f4990561.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f3a303663e80081071ad701f4990561.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  PID:2184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 12
    3⤵
    - Program crash
    PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2184 -ip 2184
1⤵
PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2184-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/5004-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/5004-1-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5004-2-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5004-4-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5004-5-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/5004-6-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5004-7-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5004-9-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download