njrat | 975656c76badd9ffb80493b3968f51d31cf93fe7effbda1bdced377bda2266e5

General

Target

JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
Size

61KB
MD5

61b553f3f0ff71dd68510cf2301dcac0
SHA1

f4e6f6d471ce3df1956b393fe87f761b38c49cb1
SHA256

975656c76badd9ffb80493b3968f51d31cf93fe7effbda1bdced377bda2266e5
SHA512

beb63e1b959d7d7069c9487f75fd31619ea916cc0422f2d64b9d98cac7d6db8076f61d68868ab811ae11572884115bb9aa705017514ac4d943d0c45fa02ca3c7
SSDEEP

1536:wg+dL1sfm++vZkeQzpKbzuqtG6ksBYjQvVxe:wg+dLOe+O/29Cxe

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
4016	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 2 IoCs

pid	Process
984	Trojan.exe
452	Trojan.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 984 set thread context of 452	984	Trojan.exe	85

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 5 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	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe
452	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	Trojan.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 2228 wrote to memory of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 2228 wrote to memory of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 2228 wrote to memory of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 2228 wrote to memory of 2460	2228	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	83
PID 2460 wrote to memory of 984	2460	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	84
PID 2460 wrote to memory of 984	2460	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	84
PID 2460 wrote to memory of 984	2460	JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe	84
PID 984 wrote to memory of 452	984	Trojan.exe	85
PID 984 wrote to memory of 452	984	Trojan.exe	85
PID 984 wrote to memory of 452	984	Trojan.exe	85
PID 984 wrote to memory of 452	984	Trojan.exe	85
PID 984 wrote to memory of 452	984	Trojan.exe	85
PID 452 wrote to memory of 4016	452	Trojan.exe	86
PID 452 wrote to memory of 4016	452	Trojan.exe	86
PID 452 wrote to memory of 4016	452	Trojan.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:984
  - - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:452
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:4016

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\JaffaCakes118_61b553f3f0ff71dd68510cf2301dcac0.exe.log

Filesize
223B

MD5
cde6529abeea500fb852f29ba0da6115

SHA1
45f2f48492417ae6a0eade8aaa808d3d1d760743

SHA256
d7f4964443470b6729865676d76f5f1f416da633033071c34ea5eb19cdea53b5

SHA512
c95fa7faf6a90f32060dba70f79c4d66c68d6eec587306fb98f36fc3ba5d377ebf9dabf47298b71db208fb10f7ccb4e0ed82236c8f26bcc746552588bbb38234

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

Filesize
61KB

MD5
61b553f3f0ff71dd68510cf2301dcac0

SHA1
f4e6f6d471ce3df1956b393fe87f761b38c49cb1

SHA256
975656c76badd9ffb80493b3968f51d31cf93fe7effbda1bdced377bda2266e5

SHA512
beb63e1b959d7d7069c9487f75fd31619ea916cc0422f2d64b9d98cac7d6db8076f61d68868ab811ae11572884115bb9aa705017514ac4d943d0c45fa02ca3c7

Download Submit
memory/452-54-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/452-53-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/452-52-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-29-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-33-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-50-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-49-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-47-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/984-34-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2228-0-0x0000000074622000-0x0000000074623000-memory.dmp

Filesize
4KB

Download
memory/2228-18-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2228-19-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2228-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2228-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2460-20-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2460-30-0x0000000074620000-0x0000000074BD1000-memory.dmp

Filesize
5.7MB

Download
memory/2460-14-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads