njrat | 7592cebfccba1ed4726d0a1fe75bf63abfdc30b8452345ec4954dd3c2473cb00

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 10:18

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General

Target

JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
Size

238KB
MD5

7922da2db330c7cedb734bfab89d9ae0
SHA1

06ef4719628b701a30914cbb39927af02f09b311
SHA256

7592cebfccba1ed4726d0a1fe75bf63abfdc30b8452345ec4954dd3c2473cb00
SHA512

55a04722ebd215fe752811aff2d94b365d485c26bb3102fe9abc169e8d48102a35a58b069af17cad89755f05ec4e0447855452806721abfb96f6f7e88a739f1e
SSDEEP

6144:otRRBVuQ8hMNYl2tgtCASsZhYUIKtAzM1+U:ot3BVt8hBl2tgtCLsZhYFy+M1

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

najrat13.no-ip.info:1177

Mutex

fe846520f3eb4e72966214ff26ac3a9d

Attributes

reg_key
fe846520f3eb4e72966214ff26ac3a9d
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
1992	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2956	server.exe
2724	server.exe

Loads dropped DLL 2 IoCs

pid	Process
636	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
2956	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 2956 set thread context of 2724	2956	server.exe	34

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	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
2956	server.exe
2956	server.exe
2956	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
Token: SeDebugPrivilege	2956	server.exe
Token: SeDebugPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe
Token: 33	2724	server.exe
Token: SeIncBasePriorityPrivilege	2724	server.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 3008 wrote to memory of 636	3008	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	31
PID 636 wrote to memory of 2956	636	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	33
PID 636 wrote to memory of 2956	636	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	33
PID 636 wrote to memory of 2956	636	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	33
PID 636 wrote to memory of 2956	636	JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe	33
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2956 wrote to memory of 2724	2956	server.exe	34
PID 2724 wrote to memory of 1992	2724	server.exe	35
PID 2724 wrote to memory of 1992	2724	server.exe	35
PID 2724 wrote to memory of 1992	2724	server.exe	35
PID 2724 wrote to memory of 1992	2724	server.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7922da2db330c7cedb734bfab89d9ae0.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2724
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:1992

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

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

Filesize
238KB

MD5
7922da2db330c7cedb734bfab89d9ae0

SHA1
06ef4719628b701a30914cbb39927af02f09b311

SHA256
7592cebfccba1ed4726d0a1fe75bf63abfdc30b8452345ec4954dd3c2473cb00

SHA512
55a04722ebd215fe752811aff2d94b365d485c26bb3102fe9abc169e8d48102a35a58b069af17cad89755f05ec4e0447855452806721abfb96f6f7e88a739f1e

Download Submit
memory/636-26-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/636-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/636-53-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/636-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/636-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2956-35-0x0000000000F40000-0x0000000000F82000-memory.dmp

Filesize
264KB

Download
memory/3008-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-2-0x0000000000470000-0x000000000047E000-memory.dmp

Filesize
56KB

Download
memory/3008-5-0x0000000000630000-0x000000000063A000-memory.dmp

Filesize
40KB

Download
memory/3008-24-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-25-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3008-27-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-1-0x0000000000D40000-0x0000000000D82000-memory.dmp

Filesize
264KB

Download
memory/3008-4-0x0000000000510000-0x0000000000552000-memory.dmp

Filesize
264KB

Download
memory/3008-3-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download