njrat | d3974baab54052b2092c963d186c79f6e74aecfde88e795d7396b6131e7a69a6

General

Target

e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe
Size

812KB
MD5

f518b92181d577f065d37a5bea8ece21
SHA1

f950f55f056010057c8fe427728a5a3a11320deb
SHA256

e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95
SHA512

efaa4ab64b15ca198ee66d9f03ec38777dd61e7c82a6f35d5de2b97fadcffac52094772a428d4cb810524567c16a03e89b120fa127a46185629a01331f6d86fc
SSDEEP

12288:MlEp2n8+8EUo+t3Jayk94TYDGD1LVVOuJ5Jyw2P00RYun7OlHPLf5zPDKg5V1/I:Ml0+sBXDJj7u7O9PZDKg5fQ

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
1328	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe

Executes dropped EXE 1 IoCs

pid	Process
1192	svchost.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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\82b7a32463b8663d821334e42891bd45 = "\"C:\\ProgramData\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\82b7a32463b8663d821334e42891bd45 = "\"C:\\ProgramData\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.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\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 3 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	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe
Token: 33	1192	svchost.exe
Token: SeIncBasePriorityPrivilege	1192	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 1192	3844	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe	91
PID 3844 wrote to memory of 1192	3844	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe	91
PID 3844 wrote to memory of 1192	3844	e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe	91
PID 1192 wrote to memory of 1328	1192	svchost.exe	95
PID 1192 wrote to memory of 1328	1192	svchost.exe	95
PID 1192 wrote to memory of 1328	1192	svchost.exe	95

C:\Users\Admin\AppData\Local\Temp\e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe
"C:\Users\Admin\AppData\Local\Temp\e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3844
- C:\ProgramData\svchost.exe
  "C:\ProgramData\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1328

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:\ProgramData\svchost.exe

Filesize
812KB

MD5
f518b92181d577f065d37a5bea8ece21

SHA1
f950f55f056010057c8fe427728a5a3a11320deb

SHA256
e83b309cc0449fd5467af9deae5ab1a96eb3dfdd79db1033606927690f500a95

SHA512
efaa4ab64b15ca198ee66d9f03ec38777dd61e7c82a6f35d5de2b97fadcffac52094772a428d4cb810524567c16a03e89b120fa127a46185629a01331f6d86fc

Download Submit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch

Filesize
514B

MD5
83c7f1aeb9178ea0b16395399e1de22c

SHA1
6da14a44d9e3227a2894048485f3b1df7ffc378f

SHA256
296ce96b999bb3069fc0047110bc33a9338f24ce8f75f10c4bf19d2dabec785c

SHA512
3274f6696db34a03b5c800cabb90902f9b7c9713609d49c3e7bd7e5ad659861fb2e79ac2e095cec15e553ffc598e685c8df737ad8e102b6e49521f47685fcbf5

Download Submit
memory/1192-20-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/1192-21-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/1192-25-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/1192-26-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/3844-0-0x00000000745C2000-0x00000000745C3000-memory.dmp

Filesize
4KB

Download
memory/3844-1-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/3844-2-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/3844-15-0x00000000745C2000-0x00000000745C3000-memory.dmp

Filesize
4KB

Download
memory/3844-19-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/3844-24-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads