njrat | fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047c

General

Target

fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
Size

116KB
MD5

b471fd848cbf9696c5e45097c87b3460
SHA1

9e8a47bcdb574d4dbbcd70df0c99a61efde67a37
SHA256

fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047c
SHA512

bbe50ed240d9279bda40095c1a1b310e84e3e8189e59563bb753d86bce8a1f0fa32f0f00ce398541b616958847394b0e57f08ece25c04abac643ecb958d4ea37
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLi:P5eznsjsguGDFqGZ2rDLi

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
2792	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe

Executes dropped EXE 2 IoCs

pid	Process
1176	chargeable.exe
3168	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe"	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1176 set thread context of 3168	1176	chargeable.exe	91

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	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.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	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe
Token: 33	3168	chargeable.exe
Token: SeIncBasePriorityPrivilege	3168	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1176	2004	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	87
PID 2004 wrote to memory of 1176	2004	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	87
PID 2004 wrote to memory of 1176	2004	fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe	87
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 1176 wrote to memory of 3168	1176	chargeable.exe	91
PID 3168 wrote to memory of 2792	3168	chargeable.exe	92
PID 3168 wrote to memory of 2792	3168	chargeable.exe	92
PID 3168 wrote to memory of 2792	3168	chargeable.exe	92

C:\Users\Admin\AppData\Local\Temp\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe
"C:\Users\Admin\AppData\Local\Temp\fdde1f86cb217009a3bf9f5a10203f1c1b4ccebdef67d8c0422853ec1013047cN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- 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:1176
- - 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:3168
  - - 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:2792

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
116KB

MD5
6e76c5bddaffeedd3c9b905bb1dbfbc2

SHA1
915ee0937e573224a4c1cdcac04e3d81318b7126

SHA256
e2b4bf1bf4eb78a3e42e5558e7096a1fcbc4bfc33095351d68789147da0d3078

SHA512
a83dfcde248984f121870da7caf37cf70c635e3e72215a923c25a2764eb73300f483da8535f3fa2d8aaaa54cb4da1861ce1096e2afbd5491df2d4b2545dfc1c7

Download Submit
memory/1176-26-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/1176-21-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/1176-20-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/2004-6-0x0000000075172000-0x0000000075173000-memory.dmp

Filesize
4KB

Download
memory/2004-7-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/2004-19-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/2004-0-0x0000000075172000-0x0000000075173000-memory.dmp

Filesize
4KB

Download
memory/2004-2-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/2004-1-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/3168-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3168-27-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/3168-28-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/3168-29-0x0000000075170000-0x0000000075721000-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