xtremerat | 1b571da38bb9600846e76e663a2e0382b84babdaf6c2b605f979d3984d94136f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 01:41

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General

Target

d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe
Size

65KB
MD5

d4a363c8438a4f666f888ec0ff4591ea
SHA1

7481405a43796086ba9c2c038198f88655c423e1
SHA256

1b571da38bb9600846e76e663a2e0382b84babdaf6c2b605f979d3984d94136f
SHA512

11afeb31b52050a5babb068a3562db648681bec9d20bf6177ec8ff958886b528aeb21a90474810cc2031ceef64232ee903177281b937f69437104a72528a1df4
SSDEEP

768:i8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfiZKPA+7XoNF:Qsq+QV4rObAdXWpf/yjozNwiBo4

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2556-0-0x0000000010000000-0x000000001004A000-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
1812	2556	WerFault.exe	30

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	d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1812	2556	d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe	31
PID 2556 wrote to memory of 1812	2556	d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe	31
PID 2556 wrote to memory of 1812	2556	d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe	31
PID 2556 wrote to memory of 1812	2556	d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d4a363c8438a4f666f888ec0ff4591ea_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 160
  2⤵
  - Program crash
  PID:1812

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/2556-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

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