njrat | cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120

General

Target

cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe
Size

23KB
MD5

c307fbd220331c943ff8cc97e757d121
SHA1

63d7d6332b3dd437f3cb2f40449c9d2065a45c59
SHA256

cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120
SHA512

2c827572ac62a586cdc67bfe6af736086ff57e7fa0eae5e36e0caf062854169fb3ccc8ac5d844ddf1cdc7518eb20b7f6fb82e50178686fe0da3bc197d23612ff
SSDEEP

384:YweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZ6M:/Lq411eRpcnuw

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
3840	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe

Executes dropped EXE 1 IoCs

pid	Process
3424	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2c14b3a0c6e67d40c4117fe11fd2e98f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2c14b3a0c6e67d40c4117fe11fd2e98f = "\"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

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 3424	2948	cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe	82
PID 2948 wrote to memory of 3424	2948	cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe	82
PID 2948 wrote to memory of 3424	2948	cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe	82
PID 3424 wrote to memory of 3840	3424	server.exe	88
PID 3424 wrote to memory of 3840	3424	server.exe	88
PID 3424 wrote to memory of 3840	3424	server.exe	88

C:\Users\Admin\AppData\Local\Temp\cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe
"C:\Users\Admin\AppData\Local\Temp\cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3424
- - 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:3840

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\Local\Temp\server.exe

Filesize
23KB

MD5
c307fbd220331c943ff8cc97e757d121

SHA1
63d7d6332b3dd437f3cb2f40449c9d2065a45c59

SHA256
cb6ec0075f5915620e92f73452f3f6e17a38144fa0bc6bd4c3329c59f2bdf120

SHA512
2c827572ac62a586cdc67bfe6af736086ff57e7fa0eae5e36e0caf062854169fb3ccc8ac5d844ddf1cdc7518eb20b7f6fb82e50178686fe0da3bc197d23612ff

Download Submit
memory/2948-0-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/2948-1-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/2948-2-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/2948-12-0x0000000074EB2000-0x0000000074EB3000-memory.dmp

Filesize
4KB

Download
memory/2948-13-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/2948-14-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3424-15-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3424-16-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3424-17-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download
memory/3424-18-0x0000000074EB0000-0x0000000075461000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads