njrat | 5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac

General

Target

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
Size

119KB
MD5

b3d02d9163f80063ca0cdabc9787d750
SHA1

f98ad95d0bf597b9d049c2b1acec2a683aa12136
SHA256

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5ac
SHA512

1dce4e3da371d605466fbf0c76d2ca54dd74e6f88455821f0ead41b508cb3ef85530b279072b28b058cb4c78051d7ac0071d18b272c342c4d0f69248209f676b
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgOP:P5eznsjsguGDFqGZ2rDL14Fge

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

Processes:

netsh.exe

pid	Process
956	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

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
4840	chargeable.exe
3084	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

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"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.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\\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 4840 set thread context of 3084	4840	chargeable.exe	95

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

Processes:

netsh.exe

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

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exechargeable.exechargeable.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.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 33 IoCs

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe
Token: 33	3084	chargeable.exe
Token: SeIncBasePriorityPrivilege	3084	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 2892 wrote to memory of 4840	2892	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	92
PID 2892 wrote to memory of 4840	2892	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	92
PID 2892 wrote to memory of 4840	2892	5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe	92
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 4840 wrote to memory of 3084	4840	chargeable.exe	95
PID 3084 wrote to memory of 956	3084	chargeable.exe	96
PID 3084 wrote to memory of 956	3084	chargeable.exe	96
PID 3084 wrote to memory of 956	3084	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe
"C:\Users\Admin\AppData\Local\Temp\5fcad70659361b7c5d65802477203f585efe08fcd46b154e043d3682cba2e5acN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- 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:4840
- - 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:3084
  - - 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:956

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
119KB

MD5
eec988219bc08f1909e2158fb9fc27ad

SHA1
4577c350f9b841b8537dd978236d1d4e47a0afdb

SHA256
4128caa753df35e548afa49bb79b1e7ad2aa7b767c81d9c4541e98428ed08591

SHA512
2cd0358e7af1301b6ca53e1d752d169bb9f20c8b1816beeaa234fc575c647063e235805e3d357b5904de8d304f51068aad9f1e65e98ae261f28edbf428ec98dc

Download Submit
memory/2892-1-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2892-2-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2892-6-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/2892-7-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/2892-0-0x0000000075272000-0x0000000075273000-memory.dmp

Filesize
4KB

Download
memory/2892-19-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3084-29-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3084-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3084-28-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3084-30-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3084-31-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/3084-32-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4840-22-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4840-21-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4840-20-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/4840-27-0x0000000075270000-0x0000000075821000-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