njrat | 4565806c4686615af9d8069363e6bac6c03ade21a6425ead122598839cddecb6

General

Target

JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe
Size

23KB
MD5

6201722e22a88287be8e36c3c637d500
SHA1

905b03e9124e7dbcdb575d7b9788a9bd3ac7faf1
SHA256

4565806c4686615af9d8069363e6bac6c03ade21a6425ead122598839cddecb6
SHA512

2eed1c4a4d105058aa5dee81a05f5287ca9a8eab6116d245af7af90d1e1456114fca1fae29c04e48f3fedb1f7f10cb0e892800efa1d5c37f1bf3eae8da005f05
SSDEEP

384:GsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZBw:Rf65K2Yf1jKRpcnuR

Score

10^/10

njrat csgo8 discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

csgo8

C2

paradox69.no-ip.org:1177

Mutex

b57ac8d6157949bc28d95c301496b04c

Attributes

reg_key
b57ac8d6157949bc28d95c301496b04c
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
2112	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b57ac8d6157949bc28d95c301496b04c.exe	Explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b57ac8d6157949bc28d95c301496b04c.exe	Explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
1684	Explorer.exe

Loads dropped DLL 1 IoCs

pid	Process
2396	JaffaCakes118_6201722e22a88287be8e36c3c637d500.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\b57ac8d6157949bc28d95c301496b04c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .."	Explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b57ac8d6157949bc28d95c301496b04c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explorer.exe\" .."	Explorer.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_6201722e22a88287be8e36c3c637d500.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe
Token: 33	1684	Explorer.exe
Token: SeIncBasePriorityPrivilege	1684	Explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1684	2396	JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe	31
PID 2396 wrote to memory of 1684	2396	JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe	31
PID 2396 wrote to memory of 1684	2396	JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe	31
PID 2396 wrote to memory of 1684	2396	JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe	31
PID 1684 wrote to memory of 2112	1684	Explorer.exe	32
PID 1684 wrote to memory of 2112	1684	Explorer.exe	32
PID 1684 wrote to memory of 2112	1684	Explorer.exe	32
PID 1684 wrote to memory of 2112	1684	Explorer.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6201722e22a88287be8e36c3c637d500.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\Explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\Explorer.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:1684
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Explorer.exe" "Explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2112

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\Explorer.exe

Filesize
23KB

MD5
6201722e22a88287be8e36c3c637d500

SHA1
905b03e9124e7dbcdb575d7b9788a9bd3ac7faf1

SHA256
4565806c4686615af9d8069363e6bac6c03ade21a6425ead122598839cddecb6

SHA512
2eed1c4a4d105058aa5dee81a05f5287ca9a8eab6116d245af7af90d1e1456114fca1fae29c04e48f3fedb1f7f10cb0e892800efa1d5c37f1bf3eae8da005f05

Download Submit
memory/1684-10-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-11-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-15-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2396-0-0x00000000748E1000-0x00000000748E2000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2396-2-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2396-13-0x00000000748E0000-0x0000000074E8B000-memory.dmp

Filesize
5.7MB

Download
memory/2396-12-0x00000000748E0000-0x0000000074E8B000-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