njrat | f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a

General

Target

f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe
Size

23KB
MD5

ff281fc96b0c1119583c71801a33fde3
SHA1

c4e751a41373bda44b146f63d8c67bbe4cc78d7e
SHA256

f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a
SHA512

4523cd54503e93113c74117d3c632390abcfb92bd5f69a9fa57686a0f059b59de2d793192aa9cb7000f9fef6811023317d2deb3fe90ecea3dbc8bf62215ae0e7
SSDEEP

384:RY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZuS:mL2s+tRyRpcnuS

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
1352	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	explorer.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	f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe
Token: 33	2824	explorer.exe
Token: SeIncBasePriorityPrivilege	2824	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2824	3312	f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe	92
PID 3312 wrote to memory of 2824	3312	f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe	92
PID 3312 wrote to memory of 2824	3312	f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe	92
PID 2824 wrote to memory of 1352	2824	explorer.exe	95
PID 2824 wrote to memory of 1352	2824	explorer.exe	95
PID 2824 wrote to memory of 1352	2824	explorer.exe	95

C:\Users\Admin\AppData\Local\Temp\f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe
"C:\Users\Admin\AppData\Local\Temp\f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Users\Admin\AppData\Roaming\explorer.exe
  "C:\Users\Admin\AppData\Roaming\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1352

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\Roaming\explorer.exe

Filesize
23KB

MD5
ff281fc96b0c1119583c71801a33fde3

SHA1
c4e751a41373bda44b146f63d8c67bbe4cc78d7e

SHA256
f93f248afa497a39791236e4077a99e1bc8d09b2a00c53e7c4abf1a02a81b08a

SHA512
4523cd54503e93113c74117d3c632390abcfb92bd5f69a9fa57686a0f059b59de2d793192aa9cb7000f9fef6811023317d2deb3fe90ecea3dbc8bf62215ae0e7

Download Submit
memory/2824-12-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2824-14-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2824-15-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/3312-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

Filesize
4KB

Download
memory/3312-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/3312-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/3312-13-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads