njrat | fa9f0e22ee02449af6f9742d425d3868b116111c7dbf876f61b5d568d934422e

General

Target

JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe
Size

659KB
MD5

64d18f7a0ff8a224dff497eb46e46cb0
SHA1

730405f7ebff5ec6c46a601ce391e2fb27b083aa
SHA256

fa9f0e22ee02449af6f9742d425d3868b116111c7dbf876f61b5d568d934422e
SHA512

7bac271c0ba82f8e112796397a730480b7c6691caa8b57c638041844e5952deef29baf9363ea1df3809ba1e88ee9e2c7713164cd482449f03f9e01f517532654
SSDEEP

6144:laLrW/CFvJR5WHYhynSIexxagiu0c3gaQPoQW9ZBr:laLrWoJ/8yUgiP

Score

10^/10

njrat -_-evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

-_-

C2

mosab77.no-ip.biz:1177

Mutex

e1662da38fd6aee9b9dee0801f36f15c

Attributes

reg_key
e1662da38fd6aee9b9dee0801f36f15c
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
2820	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2240	server.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\e1662da38fd6aee9b9dee0801f36f15c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e1662da38fd6aee9b9dee0801f36f15c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.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\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe
Token: 33	2240	server.exe
Token: SeIncBasePriorityPrivilege	2240	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2240	1936	JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe	30
PID 1936 wrote to memory of 2240	1936	JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe	30
PID 1936 wrote to memory of 2240	1936	JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe	30
PID 2240 wrote to memory of 2820	2240	server.exe	31
PID 2240 wrote to memory of 2820	2240	server.exe	31
PID 2240 wrote to memory of 2820	2240	server.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64d18f7a0ff8a224dff497eb46e46cb0.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1936
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\system32\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
    PID:2820

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
659KB

MD5
64d18f7a0ff8a224dff497eb46e46cb0

SHA1
730405f7ebff5ec6c46a601ce391e2fb27b083aa

SHA256
fa9f0e22ee02449af6f9742d425d3868b116111c7dbf876f61b5d568d934422e

SHA512
7bac271c0ba82f8e112796397a730480b7c6691caa8b57c638041844e5952deef29baf9363ea1df3809ba1e88ee9e2c7713164cd482449f03f9e01f517532654

Download Submit
memory/1936-6-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/1936-22-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/1936-3-0x0000000000550000-0x0000000000564000-memory.dmp

Filesize
80KB

Download
memory/1936-4-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/1936-5-0x0000000000540000-0x000000000054E000-memory.dmp

Filesize
56KB

Download
memory/1936-0-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

Filesize
4KB

Download
memory/1936-1-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/1936-2-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2240-15-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2240-18-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2240-21-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2240-14-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/2240-23-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2240-24-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads