njrat | 2b28168136c1e2a2d81d22d46d6b349719bf773396d0e27b010ec67d91759d42

General

Target

JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
Size

99KB
MD5

014ef5005fc6c2eb107aa8c146fc33fc
SHA1

d67721f3cb9e6e9d2f4b519905bd0e5c71ab3273
SHA256

2b28168136c1e2a2d81d22d46d6b349719bf773396d0e27b010ec67d91759d42
SHA512

74afd73ea46047a041f0b88f3a74ba5502f2afc11fd2d7147588c6bb38b20eee1b91173520b66b5e4e66a2e1a4fdb577e6c678c7926c3d1e2e1ab041bf368857
SSDEEP

3072:iJiNGFF2JGqWLZ7nrJFooWA4hzat62mO:5GF8Jsxn1CWh4

Score

10^/10

njrat enero discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ENERO

C2

trabajo8312.duckdns.org:2083

Mutex

8cffb6bedd24b9363719de415062cd1d

Attributes

reg_key
8cffb6bedd24b9363719de415062cd1d
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
1524	netsh.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft.lmvpyod1.lnk	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe

Executes dropped EXE 2 IoCs

pid	Process
2788	Microsoft.exe
1700	Microsoft.exe

Loads dropped DLL 2 IoCs

pid	Process
2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 1700	2788	Microsoft.exe	32

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	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
2788	Microsoft.exe
2788	Microsoft.exe
2788	Microsoft.exe
2788	Microsoft.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
Token: SeDebugPrivilege	2788	Microsoft.exe
Token: SeDebugPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe
Token: 33	1700	Microsoft.exe
Token: SeIncBasePriorityPrivilege	1700	Microsoft.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2788	2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe	31
PID 2488 wrote to memory of 2788	2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe	31
PID 2488 wrote to memory of 2788	2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe	31
PID 2488 wrote to memory of 2788	2488	JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe	31
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 2788 wrote to memory of 1700	2788	Microsoft.exe	32
PID 1700 wrote to memory of 1524	1700	Microsoft.exe	34
PID 1700 wrote to memory of 1524	1700	Microsoft.exe	34
PID 1700 wrote to memory of 1524	1700	Microsoft.exe	34
PID 1700 wrote to memory of 1524	1700	Microsoft.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_014ef5005fc6c2eb107aa8c146fc33fc.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Roaming\Microsoft.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Users\Admin\AppData\Roaming\Microsoft.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft.exe" "Microsoft.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1524

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

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\Roaming\Microsoft.exe

Filesize
99KB

MD5
014ef5005fc6c2eb107aa8c146fc33fc

SHA1
d67721f3cb9e6e9d2f4b519905bd0e5c71ab3273

SHA256
2b28168136c1e2a2d81d22d46d6b349719bf773396d0e27b010ec67d91759d42

SHA512
74afd73ea46047a041f0b88f3a74ba5502f2afc11fd2d7147588c6bb38b20eee1b91173520b66b5e4e66a2e1a4fdb577e6c678c7926c3d1e2e1ab041bf368857

Download Submit
memory/1700-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1700-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1700-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2488-1-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-2-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-3-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-4-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2488-0-0x00000000743A1000-0x00000000743A2000-memory.dmp

Filesize
4KB

Download
memory/2488-16-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-14-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-18-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-17-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-15-0x00000000743A0000-0x000000007494B000-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