njrat | eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5

General

Target

eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe
Size

118KB
MD5

2dac3a64a90ba07e4bfe9cbc2d798cf0
SHA1

f7022fd081b637ef837eb1a8fdb09ce5a8001fb8
SHA256

eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5
SHA512

4aff4148047d7882cbbbc0797ae1a3ac6eafcdaf5ddd24d7d70be38fbdfbb88b486d34f183ade02d6aae808a996061f7c66cce7fc694b10d5aae4fee34421c33
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14Xx:P5eznsjsguGDFqGZ2rDL14Xx

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation 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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1976	netsh.exe

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe

Executes dropped EXE 2 IoCs

pid	Process
3264	chargeable.exe
3736	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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe"	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3264 set thread context of 3736	3264	chargeable.exe	98

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe
Token: 33	3736	chargeable.exe
Token: SeIncBasePriorityPrivilege	3736	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 3264	1500	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe	95
PID 1500 wrote to memory of 3264	1500	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe	95
PID 1500 wrote to memory of 3264	1500	eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe	95
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3264 wrote to memory of 3736	3264	chargeable.exe	98
PID 3736 wrote to memory of 1976	3736	chargeable.exe	99
PID 3736 wrote to memory of 1976	3736	chargeable.exe	99
PID 3736 wrote to memory of 1976	3736	chargeable.exe	99

C:\Users\Admin\AppData\Local\Temp\eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe
"C:\Users\Admin\AppData\Local\Temp\eb1d92eb4e8a4cf0ba8d106116f18775268be557ec4557565a7c55ee80fd6ea5N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1500
- 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:3264
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3736
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1976

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4440,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=3032 /prefetch:8
1⤵
PID:440

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
118KB

MD5
efc2afc9e51a87f56e3212ee5f91401a

SHA1
3a5fa23477ddefe51d9829115c4d24364df27a17

SHA256
a697a36990c0e0222f568f901c42e91e0a4af646818eeccbfba5e45e32f62982

SHA512
0db1054ca4da82e538e76a3de26fe87cc9ff06d6b50e2d7d33ce7050e41efee48db5e37347088c5ccd43b40656efefb33a9d87bd52068323c827979e0fcc43cf

Download Submit
memory/1500-7-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/1500-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1500-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/1500-8-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1500-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1500-3-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1500-20-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3264-22-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3264-23-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3264-21-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3264-28-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3736-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3736-29-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3736-30-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3736-31-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads