njrat | 131a42c29d3359bbace76b83d8cb864993ca0a849087b8dff8c2511eeaec36e3

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 11:08

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General

Target

JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe
Size

93KB
MD5

9fe1d93f5411af1aab1b404b01039e06
SHA1

ab17d917313dedc8a7e7b92dc658ca938ff25c98
SHA256

131a42c29d3359bbace76b83d8cb864993ca0a849087b8dff8c2511eeaec36e3
SHA512

68ab24f84f6faaa3de1c3f5b1f67fbe8031f40b4a7ed3c4920010f410fbdec7dad49f5a647f50411c8e8d3504df80382ca2e37bdc668886c1cd81b293405d50d
SSDEEP

768:IY3YxBnkpjTMpALPGMtsas88EtNXhe9Y1mxCXxrjEtCdnl2pi1Rz4Rk3RsGdpUgM:oxRkVbPGHz88EbB1pjEwzGi1dDBDUgS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

hakim32.ddns.net:2000

127.0.0.1:5552

Mutex

1e3dede283d0a0233557b149319e9d4c

Attributes

reg_key
1e3dede283d0a0233557b149319e9d4c
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
2200	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
496	server.exe

Loads dropped DLL 2 IoCs

pid	Process
1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe
1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Explower.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\Explower.exe	server.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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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_9fe1d93f5411af1aab1b404b01039e06.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: GetForegroundWindowSpam 1 IoCs

pid	Process
496	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe
Token: 33	496	server.exe
Token: SeIncBasePriorityPrivilege	496	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 496	1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe	31
PID 1040 wrote to memory of 496	1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe	31
PID 1040 wrote to memory of 496	1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe	31
PID 1040 wrote to memory of 496	1040	JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe	31
PID 496 wrote to memory of 2200	496	server.exe	32
PID 496 wrote to memory of 2200	496	server.exe	32
PID 496 wrote to memory of 2200	496	server.exe	32
PID 496 wrote to memory of 2200	496	server.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fe1d93f5411af1aab1b404b01039e06.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:496
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

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:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
c6bdbc9d86009ccf7e8de878c9603213

SHA1
2a4b8716f978f2d107bcd8294b486a5ee45afe6e

SHA256
36a067fdfcee95eb270f0b72e3b9e40d52c907d749fb9a8490d82f8ee56b29eb

SHA512
c42a52cd8837e2533b3d5ec97639f0c94287e3d7a6c73635c21df50eba8483b60df15bf262a308836875cd9afed504e7f98a2f6b254e4181fe548b1853d42256

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
93KB

MD5
9fe1d93f5411af1aab1b404b01039e06

SHA1
ab17d917313dedc8a7e7b92dc658ca938ff25c98

SHA256
131a42c29d3359bbace76b83d8cb864993ca0a849087b8dff8c2511eeaec36e3

SHA512
68ab24f84f6faaa3de1c3f5b1f67fbe8031f40b4a7ed3c4920010f410fbdec7dad49f5a647f50411c8e8d3504df80382ca2e37bdc668886c1cd81b293405d50d

Download Submit
memory/496-16-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/496-15-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/496-20-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/1040-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-14-0x0000000074B30000-0x00000000750DB000-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