njrat | 9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679d

General

Target

9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe
Size

120KB
MD5

49c3dd330b70275862f7b3b64a3558b0
SHA1

cf451fcdfe84ffbe60b14559ee6143721a05f7e4
SHA256

9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679d
SHA512

99d8f98d1f8c1ce72d909253897e775dd9597ce262f51328297ebf96490a3c331f163ca3672239196875edccb0b0df87726c8ce2007978aacb5630031e760390
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgX:P5eznsjsguGDFqGZ2rDLk

Score

10^/10

njrat neuf defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1368	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe

Executes dropped EXE 3 IoCs

pid	Process
1184	chargeable.exe
3980	chargeable.exe
2672	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe"	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1184 set thread context of 3980	1184	chargeable.exe	89
PID 1184 set thread context of 2672	1184	chargeable.exe	88

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2672	WerFault.exe	88

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	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe
Token: 33	3980	chargeable.exe
Token: SeIncBasePriorityPrivilege	3980	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 1184	4080	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe	86
PID 4080 wrote to memory of 1184	4080	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe	86
PID 4080 wrote to memory of 1184	4080	9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe	86
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 3980	1184	chargeable.exe	89
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 1184 wrote to memory of 2672	1184	chargeable.exe	88
PID 3980 wrote to memory of 1368	3980	chargeable.exe	95
PID 3980 wrote to memory of 1368	3980	chargeable.exe	95
PID 3980 wrote to memory of 1368	3980	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe
"C:\Users\Admin\AppData\Local\Temp\9311e64a586c9d0855940d5695e76617279c2c8bdd161926d8e3ae2ac877679dN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- 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:1184
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2672
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 80
      4⤵
      Program crash
      PID:2760
- - 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:3980
  - - 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:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2672 -ip 2672
1⤵
PID:4884

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
120KB

MD5
f0065f2aca58b120955c50f70316627d

SHA1
60482ce8150d9a18667de5fa50924ba2bbaaf229

SHA256
450577273e1ada24092fab7299291beed1cccd90ec65993e48d2899ddd8b600c

SHA512
1431758a2e5388fb04dbc8129fe6350535915a17f637b5dfe41e9c5d2ada7821313d3d819b12b80a903f3cfe02fedb3af5cbd67743fa1821784483408e36992f

Download Submit
memory/1184-22-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1184-31-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1184-21-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1184-23-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3980-33-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3980-32-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3980-30-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/3980-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4080-7-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4080-19-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4080-20-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4080-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/4080-6-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/4080-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4080-1-0x0000000075520000-0x0000000075AD1000-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