njrat | 674761a1ce9afd9c373477be6c0510e0e275dec482749b68e2b01f99fad4bd4b

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 11:20

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General

Target

JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
Size

131KB
MD5

64b4b8b62a6f3ef20ea9b399098cb595
SHA1

7148aeacbb528b88e1b8edea3e29dc0c23bf097d
SHA256

674761a1ce9afd9c373477be6c0510e0e275dec482749b68e2b01f99fad4bd4b
SHA512

c3a9f14a1f428f00b52074da8d09cbe35f809203b733c8887752df6f09c78307e81b1753473a0ea0698681104e383c1f79dcb5bc41b3d065e9a428cc9c2c2b03
SSDEEP

3072:J6SWBNtRRMfFJfZ4DYeUP2DsxVXEhHaa+BzlcMPgPt:JN8Zaf2Da+DoV6Haflcz

Score

10^/10

njrat بانياسي discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

بانياسي

skype-all.sytes.net:999

Mutex

1e2688313d1abc26db04d48d3dc3b7ea

Attributes

reg_key
1e2688313d1abc26db04d48d3dc3b7ea
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
2104	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1e2688313d1abc26db04d48d3dc3b7ea.exe	skype.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1e2688313d1abc26db04d48d3dc3b7ea.exe	skype.exe

Executes dropped EXE 2 IoCs

pid	Process
2688	skype.exe
2648	skype.exe

Loads dropped DLL 2 IoCs

pid	Process
2808	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
2688	skype.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\1e2688313d1abc26db04d48d3dc3b7ea = "\"C:\\Users\\Admin\\AppData\\Roaming\\skype.exe\" .."	skype.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\1e2688313d1abc26db04d48d3dc3b7ea = "\"C:\\Users\\Admin\\AppData\\Roaming\\skype.exe\" .."	skype.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2688 set thread context of 2648	2688	skype.exe	32

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	skype.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	skype.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 5 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	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
Token: SeDebugPrivilege	2688	skype.exe
Token: SeDebugPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe
Token: 33	2648	skype.exe
Token: SeIncBasePriorityPrivilege	2648	skype.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2680 wrote to memory of 2808	2680	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	30
PID 2808 wrote to memory of 2688	2808	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	31
PID 2808 wrote to memory of 2688	2808	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	31
PID 2808 wrote to memory of 2688	2808	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	31
PID 2808 wrote to memory of 2688	2808	JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe	31
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2688 wrote to memory of 2648	2688	skype.exe	32
PID 2648 wrote to memory of 2104	2648	skype.exe	33
PID 2648 wrote to memory of 2104	2648	skype.exe	33
PID 2648 wrote to memory of 2104	2648	skype.exe	33
PID 2648 wrote to memory of 2104	2648	skype.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64b4b8b62a6f3ef20ea9b399098cb595.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Users\Admin\AppData\Roaming\skype.exe
    "C:\Users\Admin\AppData\Roaming\skype.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - C:\Users\Admin\AppData\Roaming\skype.exe
      C:\Users\Admin\AppData\Roaming\skype.exe
      4⤵
      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:2648
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\skype.exe" "skype.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch

Filesize
478B

MD5
6e3eb3b37f13830e36b4e1d7a1a949c9

SHA1
e9f4caf93df8e792e38739488ea58e474a6b45e4

SHA256
6d80f1f8018de39cc3682929fcb8a59b541fe8389872b29f24add8445b9bf39f

SHA512
9d6ed4ae0b5880e8cd19264257b4068b1c76645c2686e482845355f38bb3ec4bb1cf9ed84ddc18084eaaf96462cc7ad972d26d3233f39762a55828adb0e70bb9

Download Submit
\Users\Admin\AppData\Roaming\skype.exe

Filesize
131KB

MD5
64b4b8b62a6f3ef20ea9b399098cb595

SHA1
7148aeacbb528b88e1b8edea3e29dc0c23bf097d

SHA256
674761a1ce9afd9c373477be6c0510e0e275dec482749b68e2b01f99fad4bd4b

SHA512
c3a9f14a1f428f00b52074da8d09cbe35f809203b733c8887752df6f09c78307e81b1753473a0ea0698681104e383c1f79dcb5bc41b3d065e9a428cc9c2c2b03

Download Submit
memory/2680-27-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-20-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-21-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-0-0x00000000742D1000-0x00000000742D2000-memory.dmp

Filesize
4KB

Download
memory/2680-2-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2680-1-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-39-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-62-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2808-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2808-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2808-26-0x00000000742D0000-0x000000007487B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-55-0x00000000742D0000-0x000000007487B000-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