njrat | cc72aae5e6ecc4b70ef09416f09670000db292c8b5adf2737f1b22cb9a2da1cd

General

Target

33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe
Size

28KB
MD5

33c6eece234f9df57b521c3a87e29c18
SHA1

db9ad2a6713dc1c7d1e933187a36069e9714a72d
SHA256

cc72aae5e6ecc4b70ef09416f09670000db292c8b5adf2737f1b22cb9a2da1cd
SHA512

bc633b4d40621a48919298421a931668574a175768518e1aee71a90a59362ea969f77315305687cbcc8cf8e8abcdb44742884d3012691e708f84d4a5707baa19
SSDEEP

384:zR0jSNdYhRV09hTlqJM3ZFlUxxLb7FQTE8sPspcW9ceKIlkeFVbsxGlOJUKcrurt:uIOMZJER20IGeTbsxGU/5g0Lj1Abq

Score

10^/10

njrat evasion persistence trojan

Malware Config

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
2464	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dae31c02cb06222e776b9ccb9207edb1.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dae31c02cb06222e776b9ccb9207edb1.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	system.exe

Loads dropped DLL 1 IoCs

pid	Process
2800	33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\dae31c02cb06222e776b9ccb9207edb1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dae31c02cb06222e776b9ccb9207edb1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe
2896	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2896	2800	33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe	28
PID 2800 wrote to memory of 2896	2800	33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe	28
PID 2800 wrote to memory of 2896	2800	33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe	28
PID 2800 wrote to memory of 2896	2800	33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2464	2896	system.exe	29
PID 2896 wrote to memory of 2464	2896	system.exe	29
PID 2896 wrote to memory of 2464	2896	system.exe	29
PID 2896 wrote to memory of 2464	2896	system.exe	29

C:\Users\Admin\AppData\Local\Temp\33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\33c6eece234f9df57b521c3a87e29c18_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Roaming\system.exe
  "C:\Users\Admin\AppData\Roaming\system.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2464

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

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

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\system.exe

Filesize
28KB

MD5
33c6eece234f9df57b521c3a87e29c18

SHA1
db9ad2a6713dc1c7d1e933187a36069e9714a72d

SHA256
cc72aae5e6ecc4b70ef09416f09670000db292c8b5adf2737f1b22cb9a2da1cd

SHA512
bc633b4d40621a48919298421a931668574a175768518e1aee71a90a59362ea969f77315305687cbcc8cf8e8abcdb44742884d3012691e708f84d4a5707baa19

Download Submit
memory/2800-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

Filesize
4KB

Download
memory/2800-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2800-10-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-11-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-12-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-14-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-15-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-16-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/2896-17-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads