njrat | 03390b7611f4cb7d4ce408663fa2c68574cbb6724158052990838664e8baeb06

General

Target

fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
Size

99KB
MD5

fb03f5c04c22b6bf67478d420e0d4202
SHA1

5e50a63327c150ae1414708ae4677b01d1be1e95
SHA256

03390b7611f4cb7d4ce408663fa2c68574cbb6724158052990838664e8baeb06
SHA512

1f0323b9a7737cf61f53bd8f0b44bc9707d37b85fb7c66b811960648303f58dc402d7ee39fd6cce5be3edadbefe883005e65c944b67bbc62d81190977fe0ce99
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4nkQ:d5eznsjsguGDFqGn9

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
2248	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2796	chargeable.exe
2588	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe"	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2588	2796	chargeable.exe	32

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	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.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

description	pid	Process
Token: SeDebugPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe
Token: 33	2588	chargeable.exe
Token: SeIncBasePriorityPrivilege	2588	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2796	1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2796	1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2796	1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	31
PID 1400 wrote to memory of 2796	1400	fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe	31
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2796 wrote to memory of 2588	2796	chargeable.exe	32
PID 2588 wrote to memory of 2248	2588	chargeable.exe	33
PID 2588 wrote to memory of 2248	2588	chargeable.exe	33
PID 2588 wrote to memory of 2248	2588	chargeable.exe	33
PID 2588 wrote to memory of 2248	2588	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb03f5c04c22b6bf67478d420e0d4202_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1400
- 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:2796
- - 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:2588
  - - 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:2248

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

System Information Discovery

1

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\Roaming\confuse\chargeable.exe

Filesize
99KB

MD5
77406a1755a6cdf212f93714ec0e4f69

SHA1
6d9e857659d9a707b75ee9065f8972fdd5e96d10

SHA256
ccab3f50e9860be80f845a74c5f1ede9958f795f5247a3f6ba981230646b5a05

SHA512
1eae7585713932dc4bebe2f9a91a73ce7fac56bbded62b0a0ce34d3315af5adf9845913c352b39063349a6f1d9f4555d0d9f78358792969c7bb68c14a16a1a55

Download Submit
memory/1400-16-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1400-1-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1400-2-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1400-15-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1400-0-0x0000000074B91000-0x0000000074B92000-memory.dmp

Filesize
4KB

Download
memory/2588-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2588-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2588-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2796-17-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2796-18-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2796-19-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2796-26-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2796-27-0x0000000074B90000-0x000000007513B000-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