njrat | 4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f

General

Target

4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe
Size

23KB
MD5

806497146d738feb173729b022414fdc
SHA1

c44143989b7bfe76afe487537461787d6be48cfa
SHA256

4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f
SHA512

b70bf4fc613c991d6d23b92905051ffd6ef9b587991d864893caead69eeef98e5b42d3a043a71a378f9795f368c8f0366bc95e287d6088d64da95f0620f4539f
SSDEEP

384:yoWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIH:17O89p2rRpcnuB

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

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
2496	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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	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-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe
Token: 33	5068	server.exe
Token: SeIncBasePriorityPrivilege	5068	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 5068	2456	4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe	93
PID 2456 wrote to memory of 5068	2456	4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe	93
PID 2456 wrote to memory of 5068	2456	4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe	93
PID 5068 wrote to memory of 2496	5068	server.exe	97
PID 5068 wrote to memory of 2496	5068	server.exe	97
PID 5068 wrote to memory of 2496	5068	server.exe	97

C:\Users\Admin\AppData\Local\Temp\4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe
"C:\Users\Admin\AppData\Local\Temp\4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5068
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2496

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
806497146d738feb173729b022414fdc

SHA1
c44143989b7bfe76afe487537461787d6be48cfa

SHA256
4a12d24bb8697f0e61179bb81d393a8eaa1efd9a440ee1620b1374b778aeab2f

SHA512
b70bf4fc613c991d6d23b92905051ffd6ef9b587991d864893caead69eeef98e5b42d3a043a71a378f9795f368c8f0366bc95e287d6088d64da95f0620f4539f

Download Submit
memory/2456-0-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/2456-1-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/2456-2-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/2456-12-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5068-13-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/5068-14-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads