njrat | 17d4b2e98ae76d286a884e8cb80e7f5c79a01c9412eae0db529a7cdeb9699c6f

General

Target

b08fa73221df3c22b8756f7224dfc010N.exe
Size

115KB
MD5

b08fa73221df3c22b8756f7224dfc010
SHA1

14405e4e5e710e9439937ffc4e1630a6f836917e
SHA256

17d4b2e98ae76d286a884e8cb80e7f5c79a01c9412eae0db529a7cdeb9699c6f
SHA512

08775483c391e6530b24b2133f8504dad19180f8562631d53018f0374331b757cf009e3eca79ace0cf5e39a0a0d5e20da9c80c0ca3bb9b038dbb84ca3de3dcb8
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQI:P5eznsjsguGDFqGZ2rO

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
5080	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b08fa73221df3c22b8756f7224dfc010N.exe

Executes dropped EXE 3 IoCs

pid	Process
2908	chargeable.exe
3276	chargeable.exe
1560	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\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b08fa73221df3c22b8756f7224dfc010N.exe
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\\b08fa73221df3c22b8756f7224dfc010N.exe"	b08fa73221df3c22b8756f7224dfc010N.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 3276	2908	chargeable.exe	88
PID 2908 set thread context of 1560	2908	chargeable.exe	87

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4840	1560	WerFault.exe	87

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08fa73221df3c22b8756f7224dfc010N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe
Token: 33	3276	chargeable.exe
Token: SeIncBasePriorityPrivilege	3276	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 2908	1220	b08fa73221df3c22b8756f7224dfc010N.exe	86
PID 1220 wrote to memory of 2908	1220	b08fa73221df3c22b8756f7224dfc010N.exe	86
PID 1220 wrote to memory of 2908	1220	b08fa73221df3c22b8756f7224dfc010N.exe	86
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 3276	2908	chargeable.exe	88
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 2908 wrote to memory of 1560	2908	chargeable.exe	87
PID 3276 wrote to memory of 5080	3276	chargeable.exe	92
PID 3276 wrote to memory of 5080	3276	chargeable.exe	92
PID 3276 wrote to memory of 5080	3276	chargeable.exe	92

C:\Users\Admin\AppData\Local\Temp\b08fa73221df3c22b8756f7224dfc010N.exe
"C:\Users\Admin\AppData\Local\Temp\b08fa73221df3c22b8756f7224dfc010N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- 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:2908
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:1560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 80
      4⤵
      Program crash
      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:3276
  - - 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:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1560 -ip 1560
1⤵
PID:4496

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
115KB

MD5
63513b4fe8bc50affc7cc0dd0a0796a5

SHA1
5b715734a4a7f89d8670add7c468f982924abfcc

SHA256
40cda63caea02cf21447232d34afed5794707b213303339e8ec0b4ace7e3bf7c

SHA512
e18aa81eb5b80d250e08c5d510f47d4fe9aafc021afa0aa44a29feadd001334d91d03e0550d122422b511daf095af84604c595a73944320e6ea29d447c92e348

Download Submit
memory/1220-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/1220-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/1220-6-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

Filesize
4KB

Download
memory/1220-7-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/1220-20-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/1220-19-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/1220-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

Filesize
4KB

Download
memory/2908-21-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2908-23-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2908-22-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2908-31-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3276-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3276-32-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3276-30-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3276-33-0x0000000074CD0000-0x0000000075281000-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