xtremerat | 1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-04-2024 01:03

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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 persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

hackercool.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3644-0-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/4492-1-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/3644-2-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/4492-3-0x0000000010000000-0x000000001004C000-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

UPX dump on OEP (original entry point) 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3644-0-0x0000000010000000-0x000000001004C000-memory.dmp	UPX
behavioral2/memory/4492-1-0x0000000010000000-0x000000001004C000-memory.dmp	UPX
behavioral2/memory/3644-2-0x0000000010000000-0x000000001004C000-memory.dmp	UPX
behavioral2/memory/4492-3-0x0000000010000000-0x000000001004C000-memory.dmp	UPX

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3644-0-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/4492-1-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/3644-2-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/4492-3-0x0000000010000000-0x000000001004C000-memory.dmp	upx

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2304 4492 WerFault.exe svchost.exe
224 4492 WerFault.exe svchost.exe

pid	pid_target	process	target process
2304	4492	WerFault.exe	svchost.exe
224	4492	WerFault.exe	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe

description	pid	process	target process
PID 3644 wrote to memory of 4492	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	svchost.exe
PID 3644 wrote to memory of 4492	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	svchost.exe
PID 3644 wrote to memory of 4492	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	svchost.exe
PID 3644 wrote to memory of 4492	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	svchost.exe
PID 3644 wrote to memory of 2540	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	msedge.exe
PID 3644 wrote to memory of 2540	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	msedge.exe
PID 3644 wrote to memory of 2540	3644	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
"C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 480
    3⤵
    - Program crash
    PID:2304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 488
    3⤵
    - Program crash
    PID:224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4492 -ip 4492
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4492 -ip 4492
1⤵
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3644-0-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3644-2-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/4492-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/4492-3-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download