njrat | cdb2a4aff97a6b474084374db339c8528f50c3eeb697ed187352dee81316bd59

General

Target

e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe
Size

219KB
MD5

e0cb4a0a9b47a1df65022ecf3ad0d212
SHA1

71a838257ed69355500cc22b78e735ef64874095
SHA256

cdb2a4aff97a6b474084374db339c8528f50c3eeb697ed187352dee81316bd59
SHA512

419b8c3f2789ffa3f49db97c06354743f76ff51d4d17a18ed2a01d26a3bbf427c616e81caeff00efe58585cd2e6b029208170aedaf80af48480e7ee058c3573c
SSDEEP

3072:YRSEC2Oi8NXC797F8TBfFvj4bq57ZWl4dtpataXMMx+kkQ3q:YrC2F8NXC796TB9vj48ol8DaaXLx+k3

Score

10^/10

njrat idris hajyawa discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

idris hajyawa

C2

karzanwww.no-ip.biz:1177

Mutex

23c179e39668ac725f304f64296daad7

Attributes

reg_key
23c179e39668ac725f304f64296daad7
splitter
|'|'|

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
3600	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	169.exe

Executes dropped EXE 2 IoCs

pid	Process
4596	169.exe
2872	windos.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23c179e39668ac725f304f64296daad7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windos.exe\" .."	windos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\23c179e39668ac725f304f64296daad7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\windos.exe\" .."	windos.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 4 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	169.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe
2872	windos.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	windos.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 4596	2984	e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe	83
PID 2984 wrote to memory of 4596	2984	e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe	83
PID 2984 wrote to memory of 4596	2984	e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe	83
PID 4596 wrote to memory of 2872	4596	169.exe	84
PID 4596 wrote to memory of 2872	4596	169.exe	84
PID 4596 wrote to memory of 2872	4596	169.exe	84
PID 2872 wrote to memory of 3600	2872	windos.exe	85
PID 2872 wrote to memory of 3600	2872	windos.exe	85
PID 2872 wrote to memory of 3600	2872	windos.exe	85

C:\Users\Admin\AppData\Local\Temp\e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0cb4a0a9b47a1df65022ecf3ad0d212_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\169.exe
  C:\Users\Admin\AppData\Local\Temp\169.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4596
- - C:\Users\Admin\AppData\Local\Temp\windos.exe
    "C:\Users\Admin\AppData\Local\Temp\windos.exe"
    3⤵
    - 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:2872
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\windos.exe" "windos.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:3600

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\Temp\169.exe

Filesize
29KB

MD5
9ae4eecec5c9d1b2a36d04f9a5ec221a

SHA1
3872dc7ee3a605406ef3f25d1ac355f36db0a333

SHA256
6b556c12e844016c9bf396401360d4cd2187922a80d1696384b8918e98a3abbf

SHA512
b324b619dd9207d3e507abaeb12abcfcca7ee490aa672d23cea8594d46a41f68204d1f3fe44bdb10318a177c3bdd64711c34f1ec5b18e2d86fa3ccfe5354d0e5

Download Submit
memory/2872-42-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2872-41-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2872-40-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2872-36-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2872-38-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2872-39-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-13-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-31-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-15-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-22-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-18-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-9-0x0000000077110000-0x0000000077111000-memory.dmp

Filesize
4KB

Download
memory/2984-10-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-19-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-12-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-0-0x00000000001C0000-0x00000000001E6000-memory.dmp

Filesize
152KB

Download
memory/2984-11-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/2984-14-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/4596-37-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/4596-23-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download
memory/4596-24-0x00000000770F0000-0x00000000771E0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads