xtremerat | bc70d799dcb48522154426b341a7903ad4a9e4d7cf86935fc601a1ac21ae5d28

Analysis

max time kernel
140s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 17:21

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General

Target
1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
Size 87KB
Sample240419-vw8eesbc4x
SHA256 1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731
MD5 a579638803127888421deeba6042cc4f
SHA1 6142f6795670800c76eebc838345c87bcff1049f
SHA512 3fc1dddc9599a9fee44af70c00345189b04b9c50f6b2faf09acc55c7532f2037de4ba9bd87719b7659b1ee44161762318555e03fc1d112f6282b86dd2496523c
SSDEEP 768:09m1Sq4NQkrBsH1U8z05DeeQuMVTyN8ipHo37Vmd6AeXVtWAJC+S3MgyRARlJ+gc:Vsq+Q1aZQuIyJp0mgA+FJoEAbL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

hackercool.zapto.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4748-0-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/2636-1-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/4748-2-0x0000000010000000-0x000000001004C000-memory.dmp	family_xtremerat
behavioral2/memory/2636-3-0x0000000010000000-0x000000001004C000-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 packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4748-0-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/2636-1-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/4748-2-0x0000000010000000-0x000000001004C000-memory.dmp	upx
behavioral2/memory/2636-3-0x0000000010000000-0x000000001004C000-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

pid	pid_target	Process	procid_target
4584	2636	WerFault.exe	86
2972	2636	WerFault.exe	86

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 2636	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	86
PID 4748 wrote to memory of 2636	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	86
PID 4748 wrote to memory of 2636	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	86
PID 4748 wrote to memory of 2636	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	86
PID 4748 wrote to memory of 3108	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	87
PID 4748 wrote to memory of 3108	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	87
PID 4748 wrote to memory of 3108	4748	1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe	87

C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
"C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 484
    3⤵
    - Program crash
    PID:4584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 492
    3⤵
    - Program crash
    PID:2972
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2636 -ip 2636
1⤵
PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2636 -ip 2636
1⤵
PID:1348

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

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Downloads

memory/2636-1-0x0000000010000000-0x000000001004C000-memory.dmp

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memory/2636-3-0x0000000010000000-0x000000001004C000-memory.dmp

Download

memory/4748-0-0x0000000010000000-0x000000001004C000-memory.dmp

Download

memory/4748-2-0x0000000010000000-0x000000001004C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads