njrat | e6bfd08fca7a0f8ffcff6dcc4600a4b923cedd98de83af599670bfaeeba13c92

General

Target

e626dd6a23a90e2a7e6792020ee3fa20N.exe
Size

23KB
MD5

e626dd6a23a90e2a7e6792020ee3fa20
SHA1

afe7bf6067c87013669fd905169be6fcf2ac0c12
SHA256

e6bfd08fca7a0f8ffcff6dcc4600a4b923cedd98de83af599670bfaeeba13c92
SHA512

638bace0d38ff6e50a2f4e1b234984a6423e1c8dc867e23b996f0bfa2781cb926e671fa9ba65a6183f746f06663374b26098acbd5cf096f2280872b36af6d999
SSDEEP

384:bluBPiZCMfdfSJrQbsLRGSIxYVL46fg/i8BD9BmRvR6JZlbw8hqIusZzZ0ZH:kOmhtIURpcnuZ

Score

10^/10

njrat lammer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

server10-52663.portmap.host:52663

Mutex

96e1a4795100058feca2324d7a804145

Attributes

reg_key
96e1a4795100058feca2324d7a804145
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
2828	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\96e1a4795100058feca2324d7a804145.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\96e1a4795100058feca2324d7a804145.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
1736	e626dd6a23a90e2a7e6792020ee3fa20N.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\96e1a4795100058feca2324d7a804145 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\96e1a4795100058feca2324d7a804145 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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	e626dd6a23a90e2a7e6792020ee3fa20N.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe
Token: 33	2328	Trojan.exe
Token: SeIncBasePriorityPrivilege	2328	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2328	1736	e626dd6a23a90e2a7e6792020ee3fa20N.exe	30
PID 1736 wrote to memory of 2328	1736	e626dd6a23a90e2a7e6792020ee3fa20N.exe	30
PID 1736 wrote to memory of 2328	1736	e626dd6a23a90e2a7e6792020ee3fa20N.exe	30
PID 1736 wrote to memory of 2328	1736	e626dd6a23a90e2a7e6792020ee3fa20N.exe	30
PID 2328 wrote to memory of 2828	2328	Trojan.exe	32
PID 2328 wrote to memory of 2828	2328	Trojan.exe	32
PID 2328 wrote to memory of 2828	2328	Trojan.exe	32
PID 2328 wrote to memory of 2828	2328	Trojan.exe	32

C:\Users\Admin\AppData\Local\Temp\e626dd6a23a90e2a7e6792020ee3fa20N.exe
"C:\Users\Admin\AppData\Local\Temp\e626dd6a23a90e2a7e6792020ee3fa20N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\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:2328
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2828

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

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

Filesize
23KB

MD5
e626dd6a23a90e2a7e6792020ee3fa20

SHA1
afe7bf6067c87013669fd905169be6fcf2ac0c12

SHA256
e6bfd08fca7a0f8ffcff6dcc4600a4b923cedd98de83af599670bfaeeba13c92

SHA512
638bace0d38ff6e50a2f4e1b234984a6423e1c8dc867e23b996f0bfa2781cb926e671fa9ba65a6183f746f06663374b26098acbd5cf096f2280872b36af6d999

Download Submit
memory/1736-0-0x00000000743B1000-0x00000000743B2000-memory.dmp

Filesize
4KB

Download
memory/1736-1-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/1736-2-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/1736-10-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-13-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-12-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-11-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2328-15-0x00000000743B0000-0x000000007495B000-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