xtremerat | 8ef007d13da4bae8ce2eda5a528a4a6fcf9de026c968fb99ef1d21d510413d6e

Analysis

max time kernel
150s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 23:36

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General

Target

59b3791c9f1d8a19aa4b7dbccdeb33de.exe
Size

33KB
MD5

59b3791c9f1d8a19aa4b7dbccdeb33de
SHA1

575651a488bcdac7e4bdf1e58c9e1d558427c269
SHA256

8ef007d13da4bae8ce2eda5a528a4a6fcf9de026c968fb99ef1d21d510413d6e
SHA512

9e9947646ab0786f59ebecf4e3809c14d0fca2d497e77c9939e2b1af8320868def69e18dc98f03166f4030e29ed38734348144cef987eaa550b7282c77c7fc73
SSDEEP

768:8MuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lFXeeyK+G:1NW71rcYDAWeotvXlF

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

耀آtaskhost.servehttp.com

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/5024-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3004-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/5024-3-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5024-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3004-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/5024-3-0x0000000010000000-0x000000001004D000-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
4768	5024	WerFault.exe	90
672	5024	WerFault.exe	90

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 5024	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	90
PID 3004 wrote to memory of 5024	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	90
PID 3004 wrote to memory of 5024	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	90
PID 3004 wrote to memory of 5024	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	90
PID 3004 wrote to memory of 4388	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	91
PID 3004 wrote to memory of 4388	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	91
PID 3004 wrote to memory of 4388	3004	59b3791c9f1d8a19aa4b7dbccdeb33de.exe	91

C:\Users\Admin\AppData\Local\Temp\59b3791c9f1d8a19aa4b7dbccdeb33de.exe
"C:\Users\Admin\AppData\Local\Temp\59b3791c9f1d8a19aa4b7dbccdeb33de.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:5024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 484
    3⤵
    - Program crash
    PID:4768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 492
    3⤵
    - Program crash
    PID:672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
1⤵
PID:2252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5024 -ip 5024
1⤵
PID:3388

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/3004-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3004-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5024-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/5024-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download