njrat | 707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937

General

Target

JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe
Size

128KB
MD5

6b4961bd714e87ac58bc94057c4729a0
SHA1

0f90067112fe4d6de159bb4170fafc4abf111907
SHA256

707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937
SHA512

45887544f16f59dc6063ed96a7f3e04335120d08b0f7e6f20412e4fa6cbb6bd90b1a230af07508e6195bb381c1c2b92624a14a33b4d9bc4b075fe9cecebb9679
SSDEEP

3072:JIJO91gvrt/YObLz6tTs6b/KItLvYFdJIwFAd/LWxidvIuV:H1OtgWLGtfb/1lviIkAdEid5

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

backdoor25.no-ip.org:81

Mutex

23556fb1360f366337f97c924e76ead3

Attributes

reg_key
23556fb1360f366337f97c924e76ead3
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
2452	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	901.exe

Executes dropped EXE 2 IoCs

pid	Process
1652	901.exe
3128	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe
3128	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3128	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1652	4620	JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe	83
PID 4620 wrote to memory of 1652	4620	JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe	83
PID 1652 wrote to memory of 3128	1652	901.exe	84
PID 1652 wrote to memory of 3128	1652	901.exe	84
PID 3128 wrote to memory of 2452	3128	svchost.exe	85
PID 3128 wrote to memory of 2452	3128	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b4961bd714e87ac58bc94057c4729a0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Users\Admin\AppData\Local\Temp\901.exe
  C:\Users\Admin\AppData\Local\Temp\901.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3128
  - - C:\Windows\SYSTEM32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2452

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\901.exe

Filesize
79KB

MD5
424a710bce5c774f95b1e5bcf384ffa7

SHA1
d43e116ea93ec730f760c22c7b85ed94805f974f

SHA256
2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

SHA512
46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

Download Submit
memory/1652-11-0x0000000001280000-0x000000000128A000-memory.dmp

Filesize
40KB

Download
memory/1652-18-0x00007FFDF0370000-0x00007FFDF0E31000-memory.dmp

Filesize
10.8MB

Download
memory/1652-13-0x00000000012A0000-0x00000000012AC000-memory.dmp

Filesize
48KB

Download
memory/1652-15-0x00000000012C0000-0x00000000012CC000-memory.dmp

Filesize
48KB

Download
memory/1652-8-0x00007FFDF0373000-0x00007FFDF0375000-memory.dmp

Filesize
8KB

Download
memory/1652-12-0x0000000001290000-0x000000000129A000-memory.dmp

Filesize
40KB

Download
memory/1652-10-0x0000000001270000-0x000000000127C000-memory.dmp

Filesize
48KB

Download
memory/1652-32-0x00007FFDF0370000-0x00007FFDF0E31000-memory.dmp

Filesize
10.8MB

Download
memory/1652-9-0x0000000000AA0000-0x0000000000ABA000-memory.dmp

Filesize
104KB

Download
memory/1652-14-0x00000000012B0000-0x00000000012BC000-memory.dmp

Filesize
48KB

Download
memory/1652-16-0x0000000002B90000-0x0000000002B9E000-memory.dmp

Filesize
56KB

Download
memory/3128-34-0x00007FFDF0370000-0x00007FFDF0E31000-memory.dmp

Filesize
10.8MB

Download
memory/3128-33-0x00007FFDF0370000-0x00007FFDF0E31000-memory.dmp

Filesize
10.8MB

Download
memory/4620-7-0x00007FFDF1D30000-0x00007FFDF26D1000-memory.dmp

Filesize
9.6MB

Download
memory/4620-30-0x00007FFDF1D30000-0x00007FFDF26D1000-memory.dmp

Filesize
9.6MB

Download
memory/4620-1-0x00007FFDF1D30000-0x00007FFDF26D1000-memory.dmp

Filesize
9.6MB

Download
memory/4620-0-0x00007FFDF1FE5000-0x00007FFDF1FE6000-memory.dmp

Filesize
4KB

Download
memory/4620-2-0x000000001BB20000-0x000000001BBC6000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads