njrat | c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476

General

Target

c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe
Size

31KB
MD5

8dee3a3af52675fd49f3237f1f286f98
SHA1

ace246c4682e31dec046eee463363e4de22cd071
SHA256

c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476
SHA512

eaae3b17d45296ffe6eff75ab1cb430ef44f9652854a2a6baeed99d9692333831ba756e4d05f776c29deedd2513d4309fe6b708c30f2cf3250a9202e42ecea4e
SSDEEP

384:7xZMpEiK+bPXEsi1i5siZdX8tT9HNqB9FPIIxATSONlDwodg9TdFpyFEIGsJjwEQ:Nv+h0FsdXCT/6NG2ouDbEEIGfRg+f

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
4084	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cad6ec042b06ac31e129fbc8d13eabe6.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cad6ec042b06ac31e129fbc8d13eabe6.exe	System32.exe

Executes dropped EXE 1 IoCs

pid	Process
4404	System32.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cad6ec042b06ac31e129fbc8d13eabe6 = "\"C:\\Windows\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cad6ec042b06ac31e129fbc8d13eabe6 = "\"C:\\Windows\\System32.exe\" .."	System32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32.exe	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.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	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe
Token: 33	4404	System32.exe
Token: SeIncBasePriorityPrivilege	4404	System32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4404	3396	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe	94
PID 3396 wrote to memory of 4404	3396	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe	94
PID 3396 wrote to memory of 4404	3396	c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe	94
PID 4404 wrote to memory of 4084	4404	System32.exe	98
PID 4404 wrote to memory of 4084	4404	System32.exe	98
PID 4404 wrote to memory of 4084	4404	System32.exe	98

C:\Users\Admin\AppData\Local\Temp\c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe
"C:\Users\Admin\AppData\Local\Temp\c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\System32.exe
  "C:\Windows\System32.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
1⤵
PID:2760

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:\Windows\System32.exe

Filesize
31KB

MD5
8dee3a3af52675fd49f3237f1f286f98

SHA1
ace246c4682e31dec046eee463363e4de22cd071

SHA256
c52ab8a1946d9658e5c274c1e51932fc643f96521e6d399ba77a2222af822476

SHA512
eaae3b17d45296ffe6eff75ab1cb430ef44f9652854a2a6baeed99d9692333831ba756e4d05f776c29deedd2513d4309fe6b708c30f2cf3250a9202e42ecea4e

Download Submit
memory/3396-0-0x0000000074B32000-0x0000000074B33000-memory.dmp

Filesize
4KB

Download
memory/3396-1-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/3396-2-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/3396-12-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-13-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-14-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-16-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4404-17-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads