njrat | 7703be61413b1f69df0af53ba45608a9190df32eb3ad2e72e737d300e60604ee

General

Target

JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Size

119KB
MD5

625e773c0037b620739664f2e8f19050
SHA1

4c77acb8e3fc47345b7b9102e35de202dd5e096d
SHA256

7703be61413b1f69df0af53ba45608a9190df32eb3ad2e72e737d300e60604ee
SHA512

c26ade08edc5e9078930c27bfcae5f729be8f280c2416220094bcb2bb8d2d974b563234be0cab2b644fc12c6035c79b18861a10f2dfbf96038091de7ac077301
SSDEEP

3072:bfV29wqR5T7EKGVVshIp4wg8s8Oa4fW9/P/6vN+7NQ+U:bvE5YDs2tBs8OXfW9/niN8ZU

Score

10^/10

njrat 01 08 15 ink startup evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

01 08 15 ink startup

C2

comptessaie.no-ip.biz:1605

Mutex

270d2a0037f1d4c8cb53865250574eae

Attributes

reg_key
270d2a0037f1d4c8cb53865250574eae
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
1920	netsh.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pentium_updte.url	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe

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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: 33	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
Token: SeIncBasePriorityPrivilege	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 1920	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe	31
PID 2708 wrote to memory of 1920	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe	31
PID 2708 wrote to memory of 1920	2708	JaffaCakes118_625e773c0037b620739664f2e8f19050.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e773c0037b620739664f2e8f19050.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e773c0037b620739664f2e8f19050.exe"
1⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\system32\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_625e773c0037b620739664f2e8f19050.exe" "JaffaCakes118_625e773c0037b620739664f2e8f19050.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:1920

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2708-0-0x000007FEF574E000-0x000007FEF574F000-memory.dmp

Filesize
4KB

Download
memory/2708-1-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/2708-2-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

Filesize
9.6MB

Download
memory/2708-3-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

Filesize
9.6MB

Download
memory/2708-4-0x000007FEF5490000-0x000007FEF5E2D000-memory.dmp

Filesize
9.6MB

Download
memory/2708-8-0x0000000000290000-0x00000000002A6000-memory.dmp

Filesize
88KB

Download
memory/2708-9-0x0000000000930000-0x000000000093C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads