njrat | 8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6a

General

Target

8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe
Size

38KB
MD5

0af2a1b653c84f11f76f9fe6c5faff00
SHA1

9def20d00191262a517dc67c6c59c4edfc9f3fcc
SHA256

8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6a
SHA512

be71fe59b9cdd67ebfab14d64d2d570d7d6f78fec9365417c48dd7b79c63fb691419a0e55850d7d1710a4823b464952611d661ff44145c333062a53ad9ff2846
SSDEEP

768:HDvHfwFMwnQma7vppr6qKncR5wGBA39c2gYmK72Ihe:TH4MwaPrNKnWuG69c2ry

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
splitter
|'|'|

Signatures

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
2564	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	ali.exe
2560	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	ali.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.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 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	ali.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe
Token: 33	2560	server.exe
Token: SeIncBasePriorityPrivilege	2560	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2684	2164	8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe	31
PID 2164 wrote to memory of 2684	2164	8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe	31
PID 2164 wrote to memory of 2684	2164	8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe	31
PID 2164 wrote to memory of 2684	2164	8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe	31
PID 2684 wrote to memory of 2560	2684	ali.exe	32
PID 2684 wrote to memory of 2560	2684	ali.exe	32
PID 2684 wrote to memory of 2560	2684	ali.exe	32
PID 2684 wrote to memory of 2560	2684	ali.exe	32
PID 2560 wrote to memory of 2564	2560	server.exe	33
PID 2560 wrote to memory of 2564	2560	server.exe	33
PID 2560 wrote to memory of 2564	2560	server.exe	33
PID 2560 wrote to memory of 2564	2560	server.exe	33

C:\Users\Admin\AppData\Local\Temp\8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe
"C:\Users\Admin\AppData\Local\Temp\8f2a8e17d6c466f2907213c1627e1fff8147c57eadf67012771741f290a32b6aN.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\ali.exe
  "C:\Users\Admin\AppData\Local\Temp\ali.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2564

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

C:\Users\Admin\AppData\Local\Temp\ali.exe

Filesize
23KB

MD5
695433e23e1257e25ca7b468c647a577

SHA1
a8c3cec1ae3706f7685d5c756655be93af598de4

SHA256
6c17191caf9e93a93ceb7d8f9c01313e197b1deed610ccf7c2bbe89fd2d1b797

SHA512
8ff094125305485a9e1906e2d7c64485047ba2b4f2988656fd6e64e54ca97c20f466510cf2757fc294243eee420848c98bb2028ce0a555c4d157132c56251697

Download Submit
memory/2164-0-0x000007FEF5B2E000-0x000007FEF5B2F000-memory.dmp

Filesize
4KB

Download
memory/2164-3-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2164-4-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2164-1-0x0000000000280000-0x000000000028E000-memory.dmp

Filesize
56KB

Download
memory/2164-9-0x000007FEF5870000-0x000007FEF620D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-11-0x0000000074201000-0x0000000074202000-memory.dmp

Filesize
4KB

Download
memory/2684-13-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2684-12-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/2684-21-0x0000000074200000-0x00000000747AB000-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