njrat | 20e60612fdd5009c5e3357ab5ff5b48852d26ee470b8ddd2099ea25b21af5964

General

Target

48CD54BF0C884470B13F2F93E96BCA90.exe
Size

23KB
MD5

48cd54bf0c884470b13f2f93e96bca90
SHA1

abcb0600c8ffeafd5b96e3ef5034ce3024b96676
SHA256

20e60612fdd5009c5e3357ab5ff5b48852d26ee470b8ddd2099ea25b21af5964
SHA512

a48998094529f58ab6ef21d0c3b26b2f6b949165249d0db7e7d855200c2f2b98423b8a4dedd31e11e98694e45d94846d735a7ac47de4a4935296cab17fe268c1
SSDEEP

384:uYmdk8XvCJrQLdRGSiEYo7Y65gPyx6BDXNRmRvR6JZlbw8hqIusZzZyBG:xwWkti8aeRpcnus

Score

10^/10

njrat discovery 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
1220	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	48CD54BF0C884470B13F2F93E96BCA90.exe

Executes dropped EXE 1 IoCs

pid	Process
1456	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	48CD54BF0C884470B13F2F93E96BCA90.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	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe
Token: 33	1456	server.exe
Token: SeIncBasePriorityPrivilege	1456	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1456	4296	48CD54BF0C884470B13F2F93E96BCA90.exe	86
PID 4296 wrote to memory of 1456	4296	48CD54BF0C884470B13F2F93E96BCA90.exe	86
PID 4296 wrote to memory of 1456	4296	48CD54BF0C884470B13F2F93E96BCA90.exe	86
PID 1456 wrote to memory of 1220	1456	server.exe	87
PID 1456 wrote to memory of 1220	1456	server.exe	87
PID 1456 wrote to memory of 1220	1456	server.exe	87

C:\Users\Admin\AppData\Local\Temp\48CD54BF0C884470B13F2F93E96BCA90.exe
"C:\Users\Admin\AppData\Local\Temp\48CD54BF0C884470B13F2F93E96BCA90.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1456
- - 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
    - System Location Discovery: System Language Discovery
    PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\Local\Temp\server.exe

Filesize
23KB

MD5
48cd54bf0c884470b13f2f93e96bca90

SHA1
abcb0600c8ffeafd5b96e3ef5034ce3024b96676

SHA256
20e60612fdd5009c5e3357ab5ff5b48852d26ee470b8ddd2099ea25b21af5964

SHA512
a48998094529f58ab6ef21d0c3b26b2f6b949165249d0db7e7d855200c2f2b98423b8a4dedd31e11e98694e45d94846d735a7ac47de4a4935296cab17fe268c1

Download Submit
memory/1456-13-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/1456-14-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/1456-15-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/4296-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

Filesize
4KB

Download
memory/4296-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/4296-2-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download
memory/4296-12-0x0000000074FE0000-0x0000000075591000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads