njrat | 9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511

General

Target

9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
Size

114KB
MD5

d0d346fa85a66e68c2abe1cd76a3a500
SHA1

be68263951fe0464a90963145a932a17b7e251bd
SHA256

9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511
SHA512

c78a94a7ae2455ed9841baa511b4c973f025c04b540e1a372fcc1f0fd41856a5defb355d0bfd1c79c40f76713644f9c336f926869c058105e9f39bf0f4aad0ff
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmW:w5eznsjsguGDFqGx8egoxmO3rRmW

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 family
njrat
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
952	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe

Executes dropped EXE 2 IoCs

pid	Process
1528	chargeable.exe
4140	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe"	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1528 set thread context of 4140	1528	chargeable.exe	90

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
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

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe
Token: 33	4140	chargeable.exe
Token: SeIncBasePriorityPrivilege	4140	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1528	1960	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	86
PID 1960 wrote to memory of 1528	1960	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	86
PID 1960 wrote to memory of 1528	1960	9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe	86
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 1528 wrote to memory of 4140	1528	chargeable.exe	90
PID 4140 wrote to memory of 952	4140	chargeable.exe	91
PID 4140 wrote to memory of 952	4140	chargeable.exe	91
PID 4140 wrote to memory of 952	4140	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe
"C:\Users\Admin\AppData\Local\Temp\9e40eaec1f0cc499b956aaeea8855b41fca2ca046427fd46161492565ba16511N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- 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:1528
- - 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:4140
  - - 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:952

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
114KB

MD5
351e8abd4dc11328c8e6aaa6035d3190

SHA1
f2f2bc5e62088e4244b04d3e4a6cf0664b32632d

SHA256
e1d8c28c82e2d806f7217dc20da4aeb459257536b98cea476362da88f55c796d

SHA512
d879891d2503c94eff61a65d2b440e6ef5ab77bb2f79c1cf4d0c5a2dc277600bbb0824d805c02b73d7d9b7342537368386078bd58781e333b77a84dcd0dc5a2b

Download Submit
memory/1528-26-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1528-21-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1528-20-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1960-6-0x0000000075342000-0x0000000075343000-memory.dmp

Filesize
4KB

Download
memory/1960-7-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1960-19-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1960-0-0x0000000075342000-0x0000000075343000-memory.dmp

Filesize
4KB

Download
memory/1960-2-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/1960-1-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/4140-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4140-27-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/4140-28-0x0000000075340000-0x00000000758F1000-memory.dmp

Filesize
5.7MB

Download
memory/4140-29-0x0000000075340000-0x00000000758F1000-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