njrat | 7833bf16b7c7c64dff43ca86f7ef1119284cedbc43fc7c31184d531b17e6bbf0

Resubmissions

16/07/2024, 00:43

240716-a232nsxckr 10

16/07/2024, 00:41

240716-a16q6szdmc 10

16/07/2024, 00:38

240716-azamcazcpc 10

15/07/2024, 20:46

240715-zkpv6a1dlh 10

Analysis

max time kernel
1800s
max time network
1800s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 00:43

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General

Target

0928f36599b47ba66582d1f5a5cb6fb0N.exe
Size

23KB
MD5

0928f36599b47ba66582d1f5a5cb6fb0
SHA1

bef519e4db670bbea44d8cba6cbf104050ae551d
SHA256

7833bf16b7c7c64dff43ca86f7ef1119284cedbc43fc7c31184d531b17e6bbf0
SHA512

edf35a5457744d7792c8d4ea5d99e8e3beecef2a516a18f0296891d6f4baf3bf543cf00ba63a11aac5ad18af2567aa8781e840e339d80097d8e7a2e837b8ca3e
SSDEEP

384:/oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZI2:Y7O89p2rRpcnuY

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
1400	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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	0928f36599b47ba66582d1f5a5cb6fb0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	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-1-5-21-1705699165-553239100-4129523827-1000\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 behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	server.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe
Token: SeIncBasePriorityPrivilege	2720	server.exe
Token: 33	2720	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2720	2816	0928f36599b47ba66582d1f5a5cb6fb0N.exe	86
PID 2816 wrote to memory of 2720	2816	0928f36599b47ba66582d1f5a5cb6fb0N.exe	86
PID 2816 wrote to memory of 2720	2816	0928f36599b47ba66582d1f5a5cb6fb0N.exe	86
PID 2720 wrote to memory of 1400	2720	server.exe	87
PID 2720 wrote to memory of 1400	2720	server.exe	87
PID 2720 wrote to memory of 1400	2720	server.exe	87

C:\Users\Admin\AppData\Local\Temp\0928f36599b47ba66582d1f5a5cb6fb0N.exe
"C:\Users\Admin\AppData\Local\Temp\0928f36599b47ba66582d1f5a5cb6fb0N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2816
- 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 behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
0928f36599b47ba66582d1f5a5cb6fb0

SHA1
bef519e4db670bbea44d8cba6cbf104050ae551d

SHA256
7833bf16b7c7c64dff43ca86f7ef1119284cedbc43fc7c31184d531b17e6bbf0

SHA512
edf35a5457744d7792c8d4ea5d99e8e3beecef2a516a18f0296891d6f4baf3bf543cf00ba63a11aac5ad18af2567aa8781e840e339d80097d8e7a2e837b8ca3e

Download Submit
memory/2720-13-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/2720-14-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-0-0x0000000075202000-0x0000000075203000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-2-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-12-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads