njrat | 1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b

General

Target

1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
Size

131KB
MD5

7593f02bfbb8aee2c614fa57fc573663
SHA1

2bf98e5b9655c17907d3fb2a10ed6c3704bece45
SHA256

1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b
SHA512

761b99affcbc85a6ff07ea107eed8155950d4a48a83740e6d8b35134dcf0d6b18a5ba0fca81a07ff0326096a2b80fa45fc1ac7f8dd92e852ee28954dfa4fff0c
SSDEEP

3072:ibxSTpiG8wMZJYKR5Gevfj7rZyqEX25Ny5k1jNfLbvu:ibx4ij9LjlvYX25Y5kxpf2

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

systemftp.serveftp.com:19495

Mutex

c154dc1439ce42713df8b7de38bd1b02

Attributes

reg_key
c154dc1439ce42713df8b7de38bd1b02
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
1340	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c154dc1439ce42713df8b7de38bd1b02.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c154dc1439ce42713df8b7de38bd1b02.exe	system.exe

Executes dropped EXE 2 IoCs

pid	Process
2236	system.exe
3080	system.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c154dc1439ce42713df8b7de38bd1b02 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c154dc1439ce42713df8b7de38bd1b02 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 2236 set thread context of 3080	2236	system.exe	93

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
2236	system.exe
2236	system.exe
2236	system.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
Token: SeDebugPrivilege	2236	system.exe
Token: SeDebugPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe
Token: 33	3080	system.exe
Token: SeIncBasePriorityPrivilege	3080	system.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 532 wrote to memory of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 532 wrote to memory of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 532 wrote to memory of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 532 wrote to memory of 4728	532	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	84
PID 4728 wrote to memory of 2236	4728	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	87
PID 4728 wrote to memory of 2236	4728	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	87
PID 4728 wrote to memory of 2236	4728	1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe	87
PID 2236 wrote to memory of 3080	2236	system.exe	93
PID 2236 wrote to memory of 3080	2236	system.exe	93
PID 2236 wrote to memory of 3080	2236	system.exe	93
PID 2236 wrote to memory of 3080	2236	system.exe	93
PID 2236 wrote to memory of 3080	2236	system.exe	93
PID 3080 wrote to memory of 1340	3080	system.exe	101
PID 3080 wrote to memory of 1340	3080	system.exe	101
PID 3080 wrote to memory of 1340	3080	system.exe	101

C:\Users\Admin\AppData\Local\Temp\1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
"C:\Users\Admin\AppData\Local\Temp\1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
  C:\Users\Admin\AppData\Local\Temp\1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4728
- - C:\Users\Admin\AppData\Local\Temp\system.exe
    "C:\Users\Admin\AppData\Local\Temp\system.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - C:\Users\Admin\AppData\Local\Temp\system.exe
      C:\Users\Admin\AppData\Local\Temp\system.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:3080
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:1340

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

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b.exe.log

Filesize
1KB

MD5
d877b9adec4c4155705df946ec27923c

SHA1
0f56c221315c1867458a13822110b0c63f4d17db

SHA256
0fa01df83badec34b3192988c36fd82cee9a57ba8d32a1d4f9b89c12aae1a176

SHA512
e76159c58fc19decf63f7257ca5c1f463ed79f52b76bfd27651a580c45be2ff057e03d5dde1c5ad797f65004800bf1d7e980d0572f2cfc891f01dbb8bb723f92

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
131KB

MD5
7593f02bfbb8aee2c614fa57fc573663

SHA1
2bf98e5b9655c17907d3fb2a10ed6c3704bece45

SHA256
1b686004db276e1742e659d6fe4eda1a4e5fa7579d208c7b7c675d65bafe4b5b

SHA512
761b99affcbc85a6ff07ea107eed8155950d4a48a83740e6d8b35134dcf0d6b18a5ba0fca81a07ff0326096a2b80fa45fc1ac7f8dd92e852ee28954dfa4fff0c

Download Submit
memory/532-6-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-25-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-4-0x0000000007720000-0x0000000007CC4000-memory.dmp

Filesize
5.6MB

Download
memory/532-5-0x0000000007170000-0x0000000007202000-memory.dmp

Filesize
584KB

Download
memory/532-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/532-7-0x0000000002590000-0x000000000259A000-memory.dmp

Filesize
40KB

Download
memory/532-8-0x0000000007320000-0x000000000732A000-memory.dmp

Filesize
40KB

Download
memory/532-1-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/532-22-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-26-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-3-0x00000000070D0000-0x000000000716C000-memory.dmp

Filesize
624KB

Download
memory/532-24-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-23-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/532-2-0x0000000006FD0000-0x0000000007028000-memory.dmp

Filesize
352KB

Download
memory/532-28-0x000000000A860000-0x000000000A878000-memory.dmp

Filesize
96KB

Download
memory/532-30-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2236-44-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2236-45-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2236-61-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4728-27-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4728-43-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4728-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads