njrat | fcbef3a6102e83dad9c7b699cbc37156cd6e0646680628a069cc167052c927b5

General

Target

SilverBullet.exe
Size

2.7MB
MD5

63c99c74fa1f1a9174d8f3013c5a870e
SHA1

4195ef425ca71b31470f3764bce11f8e17f1b992
SHA256

fcbef3a6102e83dad9c7b699cbc37156cd6e0646680628a069cc167052c927b5
SHA512

5c74ab8e25a6e60b529cb2ad73db107f5366a198b3721d2054603af458e8aec4d64c0389c1e01d6238ec46a033ac26916e3f3fd85f6806d6e7144231118a4676
SSDEEP

24576:nzJhZPEDTvlUx71jUhK/DEgOKSvh1TfFIH9gYRRcY+32oQRLwDQF4eaE2cZPeAgq:nsTt0jUiwg30h/7DQB/FOLDQB2zOQB

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

9cpanel.hackcrack.io:3489

Mutex

Windows Explorer

Attributes

reg_key
Windows Explorer
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

pid	Process
2948	netsh.exe

Executes dropped EXE 6 IoCs

pid	Process
2696	Setup.exe
2424	Setup.exe
2580	SilverBullet .exe
2220	svchost.exe
3000	explorer.exe
2936	explorer.exe

Loads dropped DLL 5 IoCs

pid	Process
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Corporation Security = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\svchost.exe"	Setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\explorer.exe\" ."	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Explorer = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\explorer.exe\" ."	explorer.exe

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	2580	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	SilverBullet .exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	svchost.exe
Token: SeDebugPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe
Token: 33	2936	explorer.exe
Token: SeIncBasePriorityPrivilege	2936	explorer.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2696	2168	SilverBullet.exe	30
PID 2168 wrote to memory of 2696	2168	SilverBullet.exe	30
PID 2168 wrote to memory of 2696	2168	SilverBullet.exe	30
PID 2168 wrote to memory of 2424	2168	SilverBullet.exe	31
PID 2168 wrote to memory of 2424	2168	SilverBullet.exe	31
PID 2168 wrote to memory of 2424	2168	SilverBullet.exe	31
PID 2168 wrote to memory of 2580	2168	SilverBullet.exe	32
PID 2168 wrote to memory of 2580	2168	SilverBullet.exe	32
PID 2168 wrote to memory of 2580	2168	SilverBullet.exe	32
PID 2168 wrote to memory of 2580	2168	SilverBullet.exe	32
PID 2424 wrote to memory of 2220	2424	Setup.exe	33
PID 2424 wrote to memory of 2220	2424	Setup.exe	33
PID 2424 wrote to memory of 2220	2424	Setup.exe	33
PID 2580 wrote to memory of 2780	2580	SilverBullet .exe	34
PID 2580 wrote to memory of 2780	2580	SilverBullet .exe	34
PID 2580 wrote to memory of 2780	2580	SilverBullet .exe	34
PID 2580 wrote to memory of 2780	2580	SilverBullet .exe	34
PID 2220 wrote to memory of 3000	2220	svchost.exe	36
PID 2220 wrote to memory of 3000	2220	svchost.exe	36
PID 2220 wrote to memory of 3000	2220	svchost.exe	36
PID 3000 wrote to memory of 2936	3000	explorer.exe	37
PID 3000 wrote to memory of 2936	3000	explorer.exe	37
PID 3000 wrote to memory of 2936	3000	explorer.exe	37
PID 2936 wrote to memory of 2948	2936	explorer.exe	38
PID 2936 wrote to memory of 2948	2936	explorer.exe	38
PID 2936 wrote to memory of 2948	2936	explorer.exe	38

C:\Users\Admin\AppData\Local\Temp\SilverBullet.exe
"C:\Users\Admin\AppData\Local\Temp\SilverBullet.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Executes dropped EXE
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2220
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3000
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2936
      - C:\Windows\system32\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\explorer.exe" "explorer.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        
        PID:2948
- C:\Users\Admin\AppData\Local\Temp\SilverBullet .exe
  "C:\Users\Admin\AppData\Local\Temp\SilverBullet .exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 664
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2780

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\Local\Temp\Setup.exe

Filesize
461KB

MD5
ee76425b767c9ab812a53c133b8363f8

SHA1
1daa4700a5f1849eb7e810986ac24bd58786da61

SHA256
f962e1a60673963b7c2fa51a0663260df63771dfbd7423af67c2d142f7245747

SHA512
004d1b4acc7084ba8c520d94032c19342228ed6346321b04641450f87a32f78a92212e3940e4cf0790af2e5640c6001e7c805dc99cf8f9a146d752b5ee117c3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\SilverBullet .exe

Filesize
2.2MB

MD5
0267076b75cdcfa7ea98aba0bf033aee

SHA1
e168f887d26f0f752ef9e28ffc154b9afc1f1783

SHA256
9f160d80765337c3609242b9d0bd4d16856e1d57a7c2ff55ce8b00b45e5bea81

SHA512
18899a1b90a85ef2adbc71224d51ae51ea7e87662f71ff498734cf8a267aafd1c265bdb5a78b78437168f825ff28d894420ffdeb6af1653d150740b93d487122

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe

Filesize
357KB

MD5
cff755ff758e9e71d0af34017a8e9d8e

SHA1
8d401767360e61261cee79a18e061d9a0dc95724

SHA256
c4b3fdf0d7a1dc296560d0ca1f09ce89f3acbcab445fe5fcf5fe908ed3844be2

SHA512
a752a4ed0229cb7ee5a8b0768254f1acb89b1da876a7594952c75cffdb7b7990a45a335332144ae0ff06e0e0dd5e033a89fa29ed2355e2084bcc249e41a73052

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe

Filesize
325KB

MD5
f36e535fdc82208fca08acfa44f790c6

SHA1
a3cc1aa7d614094faebada2aed1e6c519bd18c94

SHA256
51efbe235b492c7e99c480915c7eeecf85f5ee6d540189ee5aa54fe9f0fafcdc

SHA512
631db5246159e045ed6911867f25991ae8824951e608c2fef25bc48482271aeb3ad26f1c98a04b4cbbf431ce20ef027cacb4bf0b3d85e048885da2b709f3a9af

Download Submit
memory/2168-1-0x0000000000840000-0x0000000000AFE000-memory.dmp

Filesize
2.7MB

Download
memory/2168-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/2220-32-0x00000000003A0000-0x00000000003F6000-memory.dmp

Filesize
344KB

Download
memory/2220-33-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/2424-17-0x0000000000350000-0x000000000037A000-memory.dmp

Filesize
168KB

Download
memory/2580-26-0x0000000000920000-0x0000000000B5E000-memory.dmp

Filesize
2.2MB

Download
memory/2696-31-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/2696-9-0x00000000011F0000-0x0000000001268000-memory.dmp

Filesize
480KB

Download
memory/3000-49-0x0000000000190000-0x000000000019C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads