xtremerat | 1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731

Analysis

max time kernel
299s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/03/2025, 01:04

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General

Target

1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
Size

87KB
MD5

a579638803127888421deeba6042cc4f
SHA1

6142f6795670800c76eebc838345c87bcff1049f
SHA256

1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731
SHA512

3fc1dddc9599a9fee44af70c00345189b04b9c50f6b2faf09acc55c7532f2037de4ba9bd87719b7659b1ee44161762318555e03fc1d112f6282b86dd2496523c
SSDEEP

768:09m1Sq4NQkrBsH1U8z05DeeQuMVTyN8ipHo37Vmd6AeXVtWAJC+S3MgyRARlJ+gc:Vsq+Q1aZQuIyJp0mgA+FJoEAbL

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

hackercool.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2660-0-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral1/memory/2700-3-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral1/memory/2660-4-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral1/memory/2700-5-0x0000000010000000-0x000000001004C000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-0-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral1/memory/2700-3-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral1/memory/2660-4-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral1/memory/2700-5-0x0000000010000000-0x000000001004C000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2700	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	31
PID 2660 wrote to memory of 2700	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	31
PID 2660 wrote to memory of 2700	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	31
PID 2660 wrote to memory of 2700	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	31
PID 2660 wrote to memory of 2700	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	31
PID 2660 wrote to memory of 2808	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	32
PID 2660 wrote to memory of 2808	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	32
PID 2660 wrote to memory of 2808	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	32
PID 2660 wrote to memory of 2808	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	32
PID 2660 wrote to memory of 2808	2660	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	32

C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
"C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/2660-0-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2660-4-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2700-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2700-3-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/2700-5-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download