xtremerat | 61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 20:28

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General

Target

61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe
Size

33KB
MD5

0037c9b1db045dca9be5bea3fb9d3ad3
SHA1

b049b17b7d918efa1bec76a9be570bb1ba8c73da
SHA256

61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99
SHA512

80c36079bab29f0794a4818d452794e98f1e0b85d86e952e6ab6097b6f0f11af6ca0468f0781540fd6549261bfbfcb3a5215ba18b002ba3a988e3385aa470570
SSDEEP

768:cMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lNTkO7+wCqFSu:VNW71rcYDAWeotvXlNnHB

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

abdo198916.linkpc.net

F:\برazoz.azoz5.linkpc.net

橀Ýàꄰabdo.alkaptn.linkpc.net

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2056-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2732-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/2056-4-0x0000000010000000-0x000000001004D000-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

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2732-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2056-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2732-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2056-4-0x0000000010000000-0x000000001004D000-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
1216	2056	WerFault.exe	85
2436	2056	WerFault.exe	85

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	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2056	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	85
PID 2732 wrote to memory of 2056	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	85
PID 2732 wrote to memory of 2056	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	85
PID 2732 wrote to memory of 2056	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	85
PID 2732 wrote to memory of 3292	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	86
PID 2732 wrote to memory of 3292	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	86
PID 2732 wrote to memory of 3292	2732	61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe	86

C:\Users\Admin\AppData\Local\Temp\61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe
"C:\Users\Admin\AppData\Local\Temp\61083735c159ff82d78b7e0fb39c9c44446a41b6a893ae322599b061cb4b1c99.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 480
    3⤵
    - Program crash
    PID:1216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 476
    3⤵
    - Program crash
    PID:2436
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2056 -ip 2056
1⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2056 -ip 2056
1⤵
PID:3352

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

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Downloads

memory/2056-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2056-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2732-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2732-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download