njrat | 3ca5871b409cebd1d8f13e0c9afdd4f3999272206e0648b2138fbb41cb9cb1bf

General

Target

ef71105eb93854135abead9616cd8368_JaffaCakes118.exe
Size

74KB
MD5

ef71105eb93854135abead9616cd8368
SHA1

bda3a6a64be575e9946efbad306dd6c80c036d71
SHA256

3ca5871b409cebd1d8f13e0c9afdd4f3999272206e0648b2138fbb41cb9cb1bf
SHA512

7a13a6c5192e7321185f19511a9581e90b0f284183fba167a4af0e15afb7f1f52f2d63547f421548c2039cd8ea8ac810ab4f144c560c56d85c19df82b2cdd18f
SSDEEP

1536:07algoWDgtr2ZPdY9eX+DC7PWhtFmGn+NWBeuePdkiw:01Lir2ZPO9W4CDit7YK+1r

Score

10^/10

njrat discovery evasion persistence privilege_escalation 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
2200	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	server.exe

Loads dropped DLL 1 IoCs

pid	Process
808	ef71105eb93854135abead9616cd8368_JaffaCakes118.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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef71105eb93854135abead9616cd8368_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe
Token: 33	2196	server.exe
Token: SeIncBasePriorityPrivilege	2196	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2196	808	ef71105eb93854135abead9616cd8368_JaffaCakes118.exe	30
PID 808 wrote to memory of 2196	808	ef71105eb93854135abead9616cd8368_JaffaCakes118.exe	30
PID 808 wrote to memory of 2196	808	ef71105eb93854135abead9616cd8368_JaffaCakes118.exe	30
PID 808 wrote to memory of 2196	808	ef71105eb93854135abead9616cd8368_JaffaCakes118.exe	30
PID 2196 wrote to memory of 2200	2196	server.exe	31
PID 2196 wrote to memory of 2200	2196	server.exe	31
PID 2196 wrote to memory of 2200	2196	server.exe	31
PID 2196 wrote to memory of 2200	2196	server.exe	31

C:\Users\Admin\AppData\Local\Temp\ef71105eb93854135abead9616cd8368_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef71105eb93854135abead9616cd8368_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2200

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\Local\Temp\server.exe

Filesize
74KB

MD5
ef71105eb93854135abead9616cd8368

SHA1
bda3a6a64be575e9946efbad306dd6c80c036d71

SHA256
3ca5871b409cebd1d8f13e0c9afdd4f3999272206e0648b2138fbb41cb9cb1bf

SHA512
7a13a6c5192e7321185f19511a9581e90b0f284183fba167a4af0e15afb7f1f52f2d63547f421548c2039cd8ea8ac810ab4f144c560c56d85c19df82b2cdd18f

Download Submit
memory/808-0-0x0000000074421000-0x0000000074422000-memory.dmp

Filesize
4KB

Download
memory/808-1-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/808-2-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/808-10-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-11-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-12-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-13-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-14-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/2196-15-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads