njrat | 2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af

General

Target

svchost.exe
Size

23KB
MD5

fe65e21ee42fd764716943a1bf1fe638
SHA1

854c5afd287f44b760aceaba2541fb34c5bff365
SHA256

2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af
SHA512

3bf488655b5fe7cc3917fac0ae5e8743b9325675e20ee958af05e33b9acc675c8e97c1a83d0b65fe6f770096e545a61ee78ca9210ca8ff94d1896dda4731fc2e
SSDEEP

384:MDbJ2T4JjWZFNwXd0eiNUSmvt6agw+t7OxQmRvR6JZlbw8hqIusZzZPp:nT2CZ1NQRpcnuG

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
2552	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	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3200	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a50eb2cdc1c4cff9d0b54be4964c226d = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a50eb2cdc1c4cff9d0b54be4964c226d = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.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	svchost.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe
Token: 33	3200	svchost.exe
Token: SeIncBasePriorityPrivilege	3200	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 3200	960	svchost.exe	88
PID 960 wrote to memory of 3200	960	svchost.exe	88
PID 960 wrote to memory of 3200	960	svchost.exe	88
PID 3200 wrote to memory of 2552	3200	svchost.exe	91
PID 3200 wrote to memory of 2552	3200	svchost.exe	91
PID 3200 wrote to memory of 2552	3200	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\svchost.exe
  "C:\Users\Admin\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:3200
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2552

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\svchost.exe.log

Filesize
319B

MD5
91046f2e147049d3e53cd9bf9d4d95ed

SHA1
228e347d062840b2edcbd16904475aacad414c62

SHA256
ea92f8291b86440b98162409b1f9f04470455c22be01a1480ea5ebc37eb168dc

SHA512
071a9c6e17760a726c3a4519cf8006f36f17f50946af0129e0e1f3e480f6b7fcc804a7614b044247f2420a8b2b46bec5b8493e4869bb918bc7c0f6aa1346c3e0

Download Submit
C:\Users\Admin\svchost.exe

Filesize
23KB

MD5
fe65e21ee42fd764716943a1bf1fe638

SHA1
854c5afd287f44b760aceaba2541fb34c5bff365

SHA256
2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af

SHA512
3bf488655b5fe7cc3917fac0ae5e8743b9325675e20ee958af05e33b9acc675c8e97c1a83d0b65fe6f770096e545a61ee78ca9210ca8ff94d1896dda4731fc2e

Download Submit
memory/960-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/960-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/960-22-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3200-21-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3200-23-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3200-24-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads