njrat | f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915

General

Target

f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe
Size

23KB
MD5

c03606a65fdbeac1536ab0da6f9f4ca0
SHA1

dc332fd43cbade4e98ca11bb63207a9a9497fa0a
SHA256

f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915
SHA512

c093a4d411774af13f7bba4d55e0c93d66927e80b0baa3ae0dc8a60ff684afeae38af4b927e311dbc40403d0b81ada25a9070f8dba82ce72432b665d06147ae8
SSDEEP

384:bsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZav:wf65K2Yf1jKRpcnu3

Score

10^/10

njrat lammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

monstro333.ddns.net:1177

Mutex

d0b7bb68b81ec1f4e3f4f774532c9d90

Attributes

reg_key
d0b7bb68b81ec1f4e3f4f774532c9d90
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
2228	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\d0b7bb68b81ec1f4e3f4f774532c9d90.exe	Trojan.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d0b7bb68b81ec1f4e3f4f774532c9d90.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	Trojan.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\d0b7bb68b81ec1f4e3f4f774532c9d90 = "\"C:\\Windows\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d0b7bb68b81ec1f4e3f4f774532c9d90 = "\"C:\\Windows\\Trojan.exe\" .."	Trojan.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Trojan.exe	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.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	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe
Token: 33	2584	Trojan.exe
Token: SeIncBasePriorityPrivilege	2584	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2584	1740	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe	31
PID 1740 wrote to memory of 2584	1740	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe	31
PID 1740 wrote to memory of 2584	1740	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe	31
PID 1740 wrote to memory of 2584	1740	f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe	31
PID 2584 wrote to memory of 2228	2584	Trojan.exe	32
PID 2584 wrote to memory of 2228	2584	Trojan.exe	32
PID 2584 wrote to memory of 2228	2584	Trojan.exe	32
PID 2584 wrote to memory of 2228	2584	Trojan.exe	32

C:\Users\Admin\AppData\Local\Temp\f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe
"C:\Users\Admin\AppData\Local\Temp\f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\Trojan.exe
  "C:\Windows\Trojan.exe"
  2⤵
  - 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:2584
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2228

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:\Windows\Trojan.exe

Filesize
23KB

MD5
c03606a65fdbeac1536ab0da6f9f4ca0

SHA1
dc332fd43cbade4e98ca11bb63207a9a9497fa0a

SHA256
f7a14218e8d6977abbe5d8d24ee81e7e7794f6316dd012306619e674c16ac915

SHA512
c093a4d411774af13f7bba4d55e0c93d66927e80b0baa3ae0dc8a60ff684afeae38af4b927e311dbc40403d0b81ada25a9070f8dba82ce72432b665d06147ae8

Download Submit
memory/1740-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/1740-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-10-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-9-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-11-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-13-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2584-14-0x00000000748D0000-0x0000000074E7B000-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