njrat | bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 23:34

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General

Target

bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe
Size

31KB
MD5

9b4c2ca1f998c1d6fa8f7fa1721cf207
SHA1

5f01f93f79ec4824b7f063970b209e2a1df8be5d
SHA256

bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241
SHA512

d8a16ed2daa51b6bf204cafbca4fdbadd4ce9bf986a50c9c4ddfa54d3619e4654dbd3ede85b3048361fde863d87d38285f25f813fe4ba8c9cafef847e31b58c0
SSDEEP

768:bborDp8pdvXyzx9uFwna/5nW3TvanQmIDUu0tiecj:ww68nQbkQVkWj

Score

10^/10

njrat mybot evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

127.0.0.1:6522

Mutex

6e9ac6497fc4975c4672b55f181b4e71

Attributes

reg_key
6e9ac6497fc4975c4672b55f181b4e71
splitter
Y262SUCZ4UJJ

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
2996	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1032	WindowsServices.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\WindowsServices.exe	bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.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 use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe
Token: 33	1032	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1032	WindowsServices.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1032	2644	bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe	30
PID 2644 wrote to memory of 1032	2644	bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe	30
PID 2644 wrote to memory of 1032	2644	bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe	30
PID 2644 wrote to memory of 1032	2644	bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe	30
PID 1032 wrote to memory of 2996	1032	WindowsServices.exe	31
PID 1032 wrote to memory of 2996	1032	WindowsServices.exe	31
PID 1032 wrote to memory of 2996	1032	WindowsServices.exe	31
PID 1032 wrote to memory of 2996	1032	WindowsServices.exe	31

C:\Users\Admin\AppData\Local\Temp\bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe
"C:\Users\Admin\AppData\Local\Temp\bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\WindowsServices.exe
  "C:\Windows\WindowsServices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\WindowsServices.exe" "WindowsServices.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

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

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\WindowsServices.exe

Filesize
31KB

MD5
9b4c2ca1f998c1d6fa8f7fa1721cf207

SHA1
5f01f93f79ec4824b7f063970b209e2a1df8be5d

SHA256
bc1a3cd18c048cf17dd34ed7f1974e0dde782376747004f2aca231323efe3241

SHA512
d8a16ed2daa51b6bf204cafbca4fdbadd4ce9bf986a50c9c4ddfa54d3619e4654dbd3ede85b3048361fde863d87d38285f25f813fe4ba8c9cafef847e31b58c0

Download Submit
memory/1032-10-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1032-11-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-2-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2644-9-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads