xtremerat | a5f38fb599e176915af00b49caada72b4dc6522255cdd8693e94af1947cd0253

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 12:11

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General

Target

JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe
Size

65KB
MD5

0e581c40d437139eb0dc1911ed5d0a67
SHA1

d061c02ac41d6526f68d97e04615c858f72e8ca7
SHA256

a5f38fb599e176915af00b49caada72b4dc6522255cdd8693e94af1947cd0253
SHA512

3456eb990ef332f37dec28820da044fb78fb32bc71420ecfd813bb34b7a4d9d37ab932e4beea3f9415abcbcfac7ff182b600a1b15c7b34bd1ddd904ab574a6bd
SSDEEP

768:+qm1pq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifncz/OyR+P2ujfniZKPA+7Xos:qjq+QV4rObAdXWpfOyf7ozNwiUp

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/1680-0-0x0000000010000000-0x000000001004A000-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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2500	1680	WerFault.exe	29

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_0e581c40d437139eb0dc1911ed5d0a67.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2500	1680	JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe	30
PID 1680 wrote to memory of 2500	1680	JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe	30
PID 1680 wrote to memory of 2500	1680	JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe	30
PID 1680 wrote to memory of 2500	1680	JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e581c40d437139eb0dc1911ed5d0a67.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 160
  2⤵
  - Program crash
  PID:2500

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

Replay Monitor

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Downloads

memory/1680-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

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