njrat | 940bed21e0749f10a7f5cc39535a43f6e124d8b54bdfe84ff96bf6c41c1b7de4

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 15:40

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General

Target

NgDBXb2Ifxxw.exe
Size

508KB
MD5

f644d38b419969bb1042d123796f8740
SHA1

ebbf86ed2cb7ef875f3a19950a39a22d99651ca9
SHA256

940bed21e0749f10a7f5cc39535a43f6e124d8b54bdfe84ff96bf6c41c1b7de4
SHA512

d2869301e5807f0a1eca4361e26f72cd80fed0d03c6c4faf3cd01f830d09039839cfca235c3f59637d071051175ddfa68c57d5306f88d80df6ce7f6c158a8520
SSDEEP

12288:0h1Lk70TnvjckQ/nwcdstBhJN3igQOy5bZaZjIzRXGxH+iDfupIj:Qk70TrcF/wcOn3i3Oy5l6jINWciD2pIj

Score

10^/10

njrat soft discovery trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

SOFT

45.84.227.157:5012

Mutex

0ec846a435bf91138081ad39491b85bb

Attributes

reg_key
0ec846a435bf91138081ad39491b85bb
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

.NET Reactor proctector 35 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2136-1-0x0000000004870000-0x0000000004956000-memory.dmp	net_reactor
behavioral1/memory/2136-3-0x0000000004790000-0x0000000004874000-memory.dmp	net_reactor
behavioral1/memory/2136-18-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-32-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-30-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-44-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-54-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-66-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-64-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-6-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-5-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-68-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-62-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-60-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-58-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-56-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-52-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-50-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-48-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-46-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-42-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-40-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-38-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-36-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-34-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-28-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-26-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-24-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-22-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-20-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-16-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-14-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-12-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-10-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor
behavioral1/memory/2136-8-0x0000000004790000-0x000000000486E000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 6220	2136	NgDBXb2Ifxxw.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	NgDBXb2Ifxxw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	NgDBXb2Ifxxw.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31
PID 2136 wrote to memory of 6220	2136	NgDBXb2Ifxxw.exe	31

C:\Users\Admin\AppData\Local\Temp\NgDBXb2Ifxxw.exe
"C:\Users\Admin\AppData\Local\Temp\NgDBXb2Ifxxw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2136-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2136-1-0x0000000004870000-0x0000000004956000-memory.dmp

Filesize
920KB

Download
memory/2136-3-0x0000000004790000-0x0000000004874000-memory.dmp

Filesize
912KB

Download
memory/2136-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-4-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-18-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-32-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-30-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-44-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-54-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-66-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-64-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-86-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-6-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-5-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-68-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-62-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-60-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-58-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-56-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-52-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-50-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-48-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-46-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-42-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-40-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-38-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-36-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-34-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-28-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-26-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-24-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-22-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-20-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-16-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-14-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-12-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-10-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-8-0x0000000004790000-0x000000000486E000-memory.dmp

Filesize
888KB

Download
memory/2136-87-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1680-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/6220-1682-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/6220-1681-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/6220-1683-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download