njrat | e16fc240955e3a55f8ecf1ffe52fb0d40a6b6189d44aaeaeaf0de56c2c9cccaa

General

Target

b08b34c4124dbe78ea4c620dc5fc37e0N.exe
Size

117KB
MD5

b08b34c4124dbe78ea4c620dc5fc37e0
SHA1

9ec51c29687660005842845b6151ff6d7faf2f9e
SHA256

e16fc240955e3a55f8ecf1ffe52fb0d40a6b6189d44aaeaeaf0de56c2c9cccaa
SHA512

3c0a1db92c88465f20a9f0a82fddd74f8b46c64244852b10c50d3bef5caf49b1ea564aca71c441412ec020d6449c6a2a7af98b21853fb15fa3079746271fb8ea
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZlg:P5eznsjsguGDFqGZ2rDLw

Score

10^/10

njrat neuf discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b08b34c4124dbe78ea4c620dc5fc37e0N.exe

Executes dropped EXE 2 IoCs

pid	Process
1796	chargeable.exe
5040	chargeable.exe

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\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b08b34c4124dbe78ea4c620dc5fc37e0N.exe"	b08b34c4124dbe78ea4c620dc5fc37e0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b08b34c4124dbe78ea4c620dc5fc37e0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 5040	1796	chargeable.exe	87

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1404	5040	WerFault.exe	87

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08b34c4124dbe78ea4c620dc5fc37e0N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1796	1788	b08b34c4124dbe78ea4c620dc5fc37e0N.exe	86
PID 1788 wrote to memory of 1796	1788	b08b34c4124dbe78ea4c620dc5fc37e0N.exe	86
PID 1788 wrote to memory of 1796	1788	b08b34c4124dbe78ea4c620dc5fc37e0N.exe	86
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87
PID 1796 wrote to memory of 5040	1796	chargeable.exe	87

C:\Users\Admin\AppData\Local\Temp\b08b34c4124dbe78ea4c620dc5fc37e0N.exe
"C:\Users\Admin\AppData\Local\Temp\b08b34c4124dbe78ea4c620dc5fc37e0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:5040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 152
      4⤵
      Program crash
      PID:1404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 5040
1⤵
PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
117KB

MD5
112f44121995047b4fd65afa3c8bfae0

SHA1
ab7c2b8da805d996fa8ee49083c42299b3ddcbef

SHA256
b4419aa34fbc8a94cf4311c7243278356c9d821bb94f79376e0a03b386896d10

SHA512
88e69d7ebd6dbe22cb880d8b844422d935b55e4498e2f9520c54832b9599dbd5363631ddde1f958b9e65a0e90e8f270435b43b6f4eb03b832433f8310a68239e

Download Submit
memory/1788-0-0x0000000074F22000-0x0000000074F23000-memory.dmp

Filesize
4KB

Download
memory/1788-1-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1788-2-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1788-17-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1796-18-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1796-20-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1796-19-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/1796-24-0x0000000074F20000-0x00000000754D1000-memory.dmp

Filesize
5.7MB

Download
memory/5040-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads