xtremerat | b1830c3e13f039852a93dee4a54036a568253d8a73282b8255218cec81f27e7f

General

Target

ne-bot/ne_up.exe
Size

33KB
MD5

cbaa5c06c1d253f33980175fa09de48b
SHA1

17dea142b13a915d4816b1665286d6314ae5026d
SHA256

2e7fdcac629313ff20d0310564442a641f4371440853c6e60b1e38c55db1baee
SHA512

671cbfdceeef3f6051d68f358ca1a4213664366c995d691509f6c80b7a54ddea25eb4fdac1dc7d791233cd5ca81617d277b50c1344a05e1dccbc6fda1caa9e8f
SSDEEP

768:SMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lktACxAIBwY:PNW71rcYDAWeotvXlyDxM

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

yourchance19.no-ip.biz

Signatures

Detect XtremeRAT payload 6 IoCs

resource	yara_rule
behavioral10/memory/1620-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral10/memory/4412-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral10/memory/4564-4-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral10/memory/4412-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral10/memory/4412-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral10/memory/1620-10-0x0000000010000000-0x000000001004D000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y5067W0U-0ONK-M06F-73IJ-3JF4L4HG013C}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y5067W0U-0ONK-M06F-73IJ-3JF4L4HG013C}\StubPath = "C:\\Windows\\system32\\enm\\update.exe restart"	svchost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral10/memory/4564-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/1620-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/4412-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/4564-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/4412-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/4412-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral10/memory/1620-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\enm\\update.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\enm\\update.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\enm\update.exe	svchost.exe
File created	C:\Windows\SysWOW64\enm\update.exe	svchost.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1784	4412	WerFault.exe	86
4340	1620	WerFault.exe	84
2260	4412	WerFault.exe	86
1324	1620	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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	ne_up.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4412	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 1620	4564	ne_up.exe	84
PID 4564 wrote to memory of 1620	4564	ne_up.exe	84
PID 4564 wrote to memory of 1620	4564	ne_up.exe	84
PID 4564 wrote to memory of 1620	4564	ne_up.exe	84
PID 4564 wrote to memory of 4412	4564	ne_up.exe	86
PID 4564 wrote to memory of 4412	4564	ne_up.exe	86
PID 4564 wrote to memory of 4412	4564	ne_up.exe	86
PID 4564 wrote to memory of 4412	4564	ne_up.exe	86

C:\Users\Admin\AppData\Local\Temp\ne-bot\ne_up.exe
"C:\Users\Admin\AppData\Local\Temp\ne-bot\ne_up.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 484
    3⤵
    - Program crash
    PID:4340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 492
    3⤵
    - Program crash
    PID:1324
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 972
    3⤵
    - Program crash
    PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 980
    3⤵
    - Program crash
    PID:2260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1620 -ip 1620
1⤵
PID:1464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4412 -ip 4412
1⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4412 -ip 4412
1⤵
PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1620 -ip 1620
1⤵
PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1620-1-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1620-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4412-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4412-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4412-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4564-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4564-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads