njrat | c1f518a64de038f24d61d5a4371057ae4f44918f7d9a6d4ee3333a20066d8570

General

Target

tarikh‮gpj..scr
Size

128KB
MD5

1f272e6e19297c555b785e72f5e489d8
SHA1

55957850a7535e69571925daf4b9f73d413c3271
SHA256

ae9e4c6ede195307027898c225f8347e0ef91ceeb4248c69c20b53fab3868eee
SHA512

e661143f93d79c62fd1217b0decc11878b875292172675a8a02b99f711515049c628503e5305d79e6adadb3ea54341b5292f94f4a8eaa86c73ff697ad52f82e4
SSDEEP

3072:0EJLI0GyzkZjBraBw8bVHA1+DXGx2iag6swhqrGH7z4hro:tBZBw8btg+DXGwvg68rGH4No

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
1520	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	tarikh‮gpj..scr
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	LocalhpUZNHEuqu.exe

Executes dropped EXE 2 IoCs

pid	Process
5112	LocalhpUZNHEuqu.exe
1704	server.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eb8e631990ca4d4b8528c3caff11223f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\eb8e631990ca4d4b8528c3caff11223f = "\"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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	LocalhpUZNHEuqu.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe
Token: 33	1704	server.exe
Token: SeIncBasePriorityPrivilege	1704	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 5112	1544	tarikh‮gpj..scr	83
PID 1544 wrote to memory of 5112	1544	tarikh‮gpj..scr	83
PID 1544 wrote to memory of 5112	1544	tarikh‮gpj..scr	83
PID 5112 wrote to memory of 1704	5112	LocalhpUZNHEuqu.exe	85
PID 5112 wrote to memory of 1704	5112	LocalhpUZNHEuqu.exe	85
PID 5112 wrote to memory of 1704	5112	LocalhpUZNHEuqu.exe	85
PID 1704 wrote to memory of 1520	1704	server.exe	86
PID 1704 wrote to memory of 1520	1704	server.exe	86
PID 1704 wrote to memory of 1520	1704	server.exe	86

C:\Users\Admin\AppData\Local\Temp\tarikh‮gpj..scr
"C:\Users\Admin\AppData\Local\Temp\tarikh‮gpj..scr" /S
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\LocalhpUZNHEuqu.exe
  "C:\Users\Admin\AppData\LocalhpUZNHEuqu.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - 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:1704
  - - 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:1520

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\LocalhpUZNHEuqu.exe

Filesize
23KB

MD5
c1f95a75b3fa587ab2e999f71ff1f7c7

SHA1
5f7313a7391b5a12f124f81c03eb63b4c0caba3a

SHA256
0f9230d788e4ede9e109a4daa047e246ae297e43bb41b6479f05f708813dc352

SHA512
3c6992b4451855ba4562b2a0737e1fff133869e9c9f4571d46e5163fd904e265a0266a0810c3d3fc2e0541a883e18680a4158f2d9ce6632cd66167c2ca9f6394

Download Submit
memory/1544-0-0x00007FFD6DB55000-0x00007FFD6DB56000-memory.dmp

Filesize
4KB

Download
memory/1544-1-0x00007FFD6D8A0000-0x00007FFD6E241000-memory.dmp

Filesize
9.6MB

Download
memory/1544-4-0x00007FFD6D8A0000-0x00007FFD6E241000-memory.dmp

Filesize
9.6MB

Download
memory/1544-15-0x00007FFD6D8A0000-0x00007FFD6E241000-memory.dmp

Filesize
9.6MB

Download
memory/1704-26-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/1704-27-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/1704-29-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/5112-13-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/5112-14-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/5112-16-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/5112-28-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads