njrat | f08c1e72d20df4164a4684c2b7f308b20be28f6849c9329449f874db3830f9c1

General

Target

JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe
Size

23KB
MD5

76e531d5c4e7ae6dd5df6e4eab140160
SHA1

14d9fdd087c1b2e231d4fd50af680586dc7fdc3d
SHA256

f08c1e72d20df4164a4684c2b7f308b20be28f6849c9329449f874db3830f9c1
SHA512

0c65b3b67b472625a541b4acfaf388a77c832854aee36d98c0f06de58fceffbf4b374d93f93c782006b98c1c62b480c6c6b549c7bc2b4905afd7aeb67f5b3baf
SSDEEP

384:7QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZ6r:85yBVd7RpcnuH

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohamad2050.ddns.net:1177

Mutex

6be03d370f97e2b1871652a3bc1cc5e5

Attributes

reg_key
6be03d370f97e2b1871652a3bc1cc5e5
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
2744	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\6be03d370f97e2b1871652a3bc1cc5e5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6be03d370f97e2b1871652a3bc1cc5e5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 3 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_76e531d5c4e7ae6dd5df6e4eab140160.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe
Token: 33	2876	server.exe
Token: SeIncBasePriorityPrivilege	2876	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2876	2304	JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe	31
PID 2304 wrote to memory of 2876	2304	JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe	31
PID 2304 wrote to memory of 2876	2304	JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe	31
PID 2304 wrote to memory of 2876	2304	JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe	31
PID 2876 wrote to memory of 2744	2876	server.exe	32
PID 2876 wrote to memory of 2744	2876	server.exe	32
PID 2876 wrote to memory of 2744	2876	server.exe	32
PID 2876 wrote to memory of 2744	2876	server.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e531d5c4e7ae6dd5df6e4eab140160.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2744

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

System Information Discovery

1

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

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
23KB

MD5
76e531d5c4e7ae6dd5df6e4eab140160

SHA1
14d9fdd087c1b2e231d4fd50af680586dc7fdc3d

SHA256
f08c1e72d20df4164a4684c2b7f308b20be28f6849c9329449f874db3830f9c1

SHA512
0c65b3b67b472625a541b4acfaf388a77c832854aee36d98c0f06de58fceffbf4b374d93f93c782006b98c1c62b480c6c6b549c7bc2b4905afd7aeb67f5b3baf

Download Submit
memory/2304-0-0x00000000743A1000-0x00000000743A2000-memory.dmp

Filesize
4KB

Download
memory/2304-1-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2304-2-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2304-11-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-10-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2876-12-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads