njrat | 58ad1f651e494e01292fb3e48ff201d6af72c0799d4b35039bc043e8508ece24

General

Target

JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe
Size

24KB
MD5

6ba49d5b29f7ba65c993ac2f74aea3a0
SHA1

9f2d81787c6079f3975fc3f8b02af5d3b6a47366
SHA256

58ad1f651e494e01292fb3e48ff201d6af72c0799d4b35039bc043e8508ece24
SHA512

5adb38d421eb11297b13bd0253b7fc68bc0c1b229a6e465dbf2605830b97962790ced9c3bba56232e89ef97dfc03a8c85c312b64b927dbd1b6e0250938faf896
SSDEEP

384:sV8aZYC9twBNdcvFaly2H0ddJo6HghcASEJqc/VmRvR6JZlbw8hqIusZzZ05:sdY+sNKqNHVSpRpcnuP

Score

10^/10

njrat alkhorsan discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

alkhorsan

C2

alkh20.no-ip.biz:5552

Mutex

5dfe2a067fbafa81027f748f2ef71a80

Attributes

reg_key
5dfe2a067fbafa81027f748f2ef71a80
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
2968	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5dfe2a067fbafa81027f748f2ef71a80.exe	microsoft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5dfe2a067fbafa81027f748f2ef71a80.exe	microsoft.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	microsoft.exe

Loads dropped DLL 1 IoCs

pid	Process
432	JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\5dfe2a067fbafa81027f748f2ef71a80 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\microsoft.exe\" .."	microsoft.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5dfe2a067fbafa81027f748f2ef71a80 = "\"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 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_6ba49d5b29f7ba65c993ac2f74aea3a0.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	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe
Token: 33	3064	microsoft.exe
Token: SeIncBasePriorityPrivilege	3064	microsoft.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3064	432	JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe	29
PID 432 wrote to memory of 3064	432	JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe	29
PID 432 wrote to memory of 3064	432	JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe	29
PID 432 wrote to memory of 3064	432	JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe	29
PID 3064 wrote to memory of 2968	3064	microsoft.exe	30
PID 3064 wrote to memory of 2968	3064	microsoft.exe	30
PID 3064 wrote to memory of 2968	3064	microsoft.exe	30
PID 3064 wrote to memory of 2968	3064	microsoft.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ba49d5b29f7ba65c993ac2f74aea3a0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:432
- 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:3064
- - 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:2968

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
24KB

MD5
6ba49d5b29f7ba65c993ac2f74aea3a0

SHA1
9f2d81787c6079f3975fc3f8b02af5d3b6a47366

SHA256
58ad1f651e494e01292fb3e48ff201d6af72c0799d4b35039bc043e8508ece24

SHA512
5adb38d421eb11297b13bd0253b7fc68bc0c1b229a6e465dbf2605830b97962790ced9c3bba56232e89ef97dfc03a8c85c312b64b927dbd1b6e0250938faf896

Download Submit
memory/432-0-0x0000000074AE1000-0x0000000074AE2000-memory.dmp

Filesize
4KB

Download
memory/432-1-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-2-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/432-11-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/3064-10-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/3064-12-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/3064-14-0x0000000074AE0000-0x000000007508B000-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