xtremerat | 788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971

General

Target

788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
Size

420KB
MD5

181183e03d22f28ab11be4fea8a2f4f8
SHA1

ce1bee4f17cf2dc38dc82d75b625ed1a0b58c72c
SHA256

788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971
SHA512

10064d5d443ac10f874f5294d34f6ce6ce5d2d352c89b344587c197a3479df24827966ee00fd6194da67caefd7e1f67a5d8a7a0f121c64abbb82e71bbfba85ee
SSDEEP

6144:4+9hS3kbFRQqzfz7qeEzDSZbFm2A2g2McTrDLKmc:XMkHzfz77b62McTOmc

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sam-of.myq-see.com

Desktopsam-of.publicvm.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/112-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/112-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/112-8-0x0000000010000000-0x000000001004D000-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 4780 set thread context of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/112-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/112-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/112-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/112-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/112-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/112-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
112	notepad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83
PID 4780 wrote to memory of 112	4780	788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe	83

C:\Users\Admin\AppData\Local\Temp\788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe
"C:\Users\Admin\AppData\Local\Temp\788523e08316e2eebb7495d875fff849ceb5a52932b24bd4fa1fd0702a885971.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/112-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/112-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/112-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/112-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/112-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/112-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing