njrat | 3ead63a41c5bf925c4a22a9aeaa52c0c8b67e9df6e2c05486d3d3533efb3dd4c

General

Target

f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe
Size

23KB
MD5

f6a5be68e65b851a4ec1a3bd49f6b86d
SHA1

6b9ab8923dfbbcf28356b1a00511f8b66921a1bf
SHA256

3ead63a41c5bf925c4a22a9aeaa52c0c8b67e9df6e2c05486d3d3533efb3dd4c
SHA512

fc71735b43c8444b6af1910970b10391702ca0e7d0747bec4554f83cf84526a98f10693403516f8898d6d6c15e0776d836682a9a9ba5fd7b4d2e8495ef3a618e
SSDEEP

384:zfQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZV3:zA5yBVd7Rpcnuq

Score

10^/10

njrat dahia discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Dahia

C2

hajrsehi.ddns.net:1177

Mutex

5e26cd0bdf19bf4d684bb09c9321bb46

Attributes

reg_key
5e26cd0bdf19bf4d684bb09c9321bb46
splitter
|'|'|

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
2164	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5e26cd0bdf19bf4d684bb09c9321bb46.exe	microsoft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5e26cd0bdf19bf4d684bb09c9321bb46.exe	microsoft.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	microsoft.exe

Loads dropped DLL 1 IoCs

pid	Process
2716	f6a5be68e65b851a4ec1a3bd49f6b86d_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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\5e26cd0bdf19bf4d684bb09c9321bb46 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\microsoft.exe\" .."	microsoft.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5e26cd0bdf19bf4d684bb09c9321bb46 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\microsoft.exe\" .."	microsoft.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe
Token: 33	2776	microsoft.exe
Token: SeIncBasePriorityPrivilege	2776	microsoft.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2776	2716	f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe	29
PID 2716 wrote to memory of 2776	2716	f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe	29
PID 2716 wrote to memory of 2776	2716	f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe	29
PID 2716 wrote to memory of 2776	2716	f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe	29
PID 2776 wrote to memory of 2164	2776	microsoft.exe	30
PID 2776 wrote to memory of 2164	2776	microsoft.exe	30
PID 2776 wrote to memory of 2164	2776	microsoft.exe	30
PID 2776 wrote to memory of 2164	2776	microsoft.exe	30

C:\Users\Admin\AppData\Local\Temp\f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6a5be68e65b851a4ec1a3bd49f6b86d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\microsoft.exe
  "C:\Users\Admin\AppData\Local\Temp\microsoft.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\microsoft.exe" "microsoft.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2164

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\microsoft.exe

Filesize
23KB

MD5
f6a5be68e65b851a4ec1a3bd49f6b86d

SHA1
6b9ab8923dfbbcf28356b1a00511f8b66921a1bf

SHA256
3ead63a41c5bf925c4a22a9aeaa52c0c8b67e9df6e2c05486d3d3533efb3dd4c

SHA512
fc71735b43c8444b6af1910970b10391702ca0e7d0747bec4554f83cf84526a98f10693403516f8898d6d6c15e0776d836682a9a9ba5fd7b4d2e8495ef3a618e

Download Submit
memory/2716-0-0x0000000074541000-0x0000000074542000-memory.dmp

Filesize
4KB

Download
memory/2716-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2716-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2716-11-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-10-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-12-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2776-14-0x0000000074540000-0x0000000074AEB000-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