njrat | 740ee7f71f72705e2098e4171df52c5c822c457b13d9854f9d10657bc9f3622b

General

Target

eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe
Size

43KB
MD5

eade4b1b81bbe130f60de0aa4932be6e
SHA1

70ff7e159df53043ad9204965b27539929679068
SHA256

740ee7f71f72705e2098e4171df52c5c822c457b13d9854f9d10657bc9f3622b
SHA512

2467ea1f6b2adc5d4ad5f3188048219876906defa358dff3e037035153df5ac32da6b4577a47174fd5cdfca8a03dec6e05dd16184b4674bb03beda77250c7a6c
SSDEEP

768:u9YUIDSC40/Ex2iLdzVL/bycmfEaSSHH13nNG1:u3C4cEHpVLXyEVSBs

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

ecc7c8c51c0850c1ec247c7fd3602f20

Attributes

reg_key
ecc7c8c51c0850c1ec247c7fd3602f20
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
2620	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3948	windows.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	eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe
3948	windows.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	windows.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 3948	3024	eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe	86
PID 3024 wrote to memory of 3948	3024	eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe	86
PID 3024 wrote to memory of 3948	3024	eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe	86
PID 3948 wrote to memory of 2620	3948	windows.exe	90
PID 3948 wrote to memory of 2620	3948	windows.exe	90
PID 3948 wrote to memory of 2620	3948	windows.exe	90

C:\Users\Admin\AppData\Local\Temp\eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eade4b1b81bbe130f60de0aa4932be6e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\windows.exe
  "C:\Users\Admin\AppData\Local\Temp\windows.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3948
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windows.exe" "windows.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2620

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

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\Temp\windows.exe

Filesize
43KB

MD5
eade4b1b81bbe130f60de0aa4932be6e

SHA1
70ff7e159df53043ad9204965b27539929679068

SHA256
740ee7f71f72705e2098e4171df52c5c822c457b13d9854f9d10657bc9f3622b

SHA512
2467ea1f6b2adc5d4ad5f3188048219876906defa358dff3e037035153df5ac32da6b4577a47174fd5cdfca8a03dec6e05dd16184b4674bb03beda77250c7a6c

Download Submit
memory/3024-6-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/3024-20-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3024-3-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3024-4-0x00000000057F0000-0x00000000057FE000-memory.dmp

Filesize
56KB

Download
memory/3024-5-0x0000000005970000-0x0000000005A0C000-memory.dmp

Filesize
624KB

Download
memory/3024-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/3024-1-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

Filesize
64KB

Download
memory/3024-2-0x0000000003280000-0x000000000328E000-memory.dmp

Filesize
56KB

Download
memory/3948-19-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3948-21-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3948-22-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/3948-23-0x0000000005A70000-0x0000000005A7A000-memory.dmp

Filesize
40KB

Download
memory/3948-24-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3948-25-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads