xtremerat | 39c8615bc0519f483044e3f4678275f955aec055ae15a1c5a217d94c6f4d6fc3

Analysis

max time kernel
94s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 01:17

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General

Target

JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe
Size

149KB
MD5

513219d8fb8dda295a6699f1bc638cd9
SHA1

f8afe4b384fcccd116b5590356d95f3bd6584e4a
SHA256

39c8615bc0519f483044e3f4678275f955aec055ae15a1c5a217d94c6f4d6fc3
SHA512

fd9e00c72869f36ca4a58643d1aff2f06122b9be459a2f30a1d92f45d35eba1b03668e436c4123b9843c8529bc3f61bd87b07361ae4adb794f410e3e27eebf5a
SSDEEP

3072:PuKW0IiaeBaefxPx/z3ZS4/BEUkQOVgQZSb+cetdmqi8qEV1CEBxjH0a:PuKdhFvS4/KUkHVgxb6dq8/BxjH0

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3316-3-0x0000000000C80000-0x0000000000C93000-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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1244 set thread context of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4068	3316	WerFault.exe	84

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_513219d8fb8dda295a6699f1bc638cd9.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84
PID 1244 wrote to memory of 3316	1244	JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_513219d8fb8dda295a6699f1bc638cd9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:3316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 12
    3⤵
    - Program crash
    PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3316 -ip 3316
1⤵
PID:1944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Replay Monitor

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Downloads

memory/1244-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

Filesize
4KB

Download
memory/1244-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/1244-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/1244-5-0x00000000754D0000-0x0000000075A81000-memory.dmp

Filesize
5.7MB

Download
memory/3316-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

Filesize
76KB

Download