njrat | b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2

General

Target

b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe
Size

29KB
MD5

56f0bfe2be04bee91c72ca4e2b37fa10
SHA1

48f21909f78e038bf80c6efdbb9f9554f489abe6
SHA256

b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2
SHA512

1c5be58ba3af1ecf3cf5b19c0704361e30ec4e058057a5cf6ae27326ba5aa3cfecda4bbb7daae5a3e8e964526b601ad4072cd18cb277de2254c6edb94ea3f1f3
SSDEEP

384:ros5l7l7EMrof6oyr/5NxrimmqDWD4IePUGBsbh0w4wlAokw9OhgOL1vYRGOZze7:T7GMroynbprsq04IePBKh0p29SgR4F

Score

10^/10

njrat registry discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

registry

C2

register.hopto.org:1177

Mutex

c1c860ff12fc4f76764afdc52f550013

Attributes

reg_key
c1c860ff12fc4f76764afdc52f550013
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
2560	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	registry.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.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	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	registry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe
2784	registry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	registry.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2784	2380	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe	30
PID 2380 wrote to memory of 2784	2380	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe	30
PID 2380 wrote to memory of 2784	2380	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe	30
PID 2380 wrote to memory of 2784	2380	b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe	30
PID 2784 wrote to memory of 2560	2784	registry.exe	31
PID 2784 wrote to memory of 2560	2784	registry.exe	31
PID 2784 wrote to memory of 2560	2784	registry.exe	31
PID 2784 wrote to memory of 2560	2784	registry.exe	31

C:\Users\Admin\AppData\Local\Temp\b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe
"C:\Users\Admin\AppData\Local\Temp\b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\registry.exe
  "C:\Users\Admin\AppData\Local\Temp\registry.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\registry.exe" "registry.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\registry.exe

Filesize
29KB

MD5
56f0bfe2be04bee91c72ca4e2b37fa10

SHA1
48f21909f78e038bf80c6efdbb9f9554f489abe6

SHA256
b66f55f68f24a7b10582a0d5781a57b2afafddbb775c21846b722bdbc3d8fba2

SHA512
1c5be58ba3af1ecf3cf5b19c0704361e30ec4e058057a5cf6ae27326ba5aa3cfecda4bbb7daae5a3e8e964526b601ad4072cd18cb277de2254c6edb94ea3f1f3

Download Submit
memory/2380-0-0x0000000073E71000-0x0000000073E72000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-2-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-10-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-12-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-11-0x0000000073E70000-0x000000007441B000-memory.dmp

Filesize
5.7MB

Download
memory/2784-13-0x0000000073E70000-0x000000007441B000-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