xtremerat | defd58a2dc024554958e1c1dd73d9b899fdae84fb5638b04616d635237ce34f8

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 01:29

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General

Target

JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe
Size

99KB
MD5

42468a2392a96d7b31d4dea37f5571f0
SHA1

0dc494dd24d862c4ec4820b6fcb2058afbfb2d97
SHA256

defd58a2dc024554958e1c1dd73d9b899fdae84fb5638b04616d635237ce34f8
SHA512

d19e16640d10ecfa2ea41b8c65e6693bcea46c4d514b4cb6b4b75d56cdc903717e4963b542134858e59a30d0bdaf03c783d44e904a0112eee4226c722a6b742b
SSDEEP

1536:nz7yk0LWriyt7nmhPEOc1Oh1UnycseaUCX8HTmZrEda30dRMbryU:nz7bpiyt7noBh1U1Nm8zmZry7dSry

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4296-7-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4296-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4296-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4296-3-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4296-1-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/4296-0-0x0000000010000000-0x000000001004A000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3660	4296	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_42468a2392a96d7b31d4dea37f5571f0.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83
PID 2832 wrote to memory of 4296	2832	JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_42468a2392a96d7b31d4dea37f5571f0.exe
  2⤵
  PID:4296
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 12
    3⤵
    - Program crash
    PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4296 -ip 4296
1⤵
PID:4808

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/2832-9-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4296-7-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4296-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4296-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4296-3-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4296-1-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4296-0-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download