njrat | dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6

General

Target

dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Size

307KB
MD5

32db0e115ffc619b625e5bf83c87b5c0
SHA1

e55a1f1984f9b3f414f6f98b211ba0dee582c415
SHA256

dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6
SHA512

b7bcff588a4fee53ba4356b6b1d29234857bbd5e9092b5a74e4531349857f66e1ac67b5a9df9cb6416b084ab1895c98532411f3063508bd6195de261867ac13d
SSDEEP

3072:vnkAK3MylIIn3FIyraBOggRibieoRv8w5hhCS48:v8CIn3FIyyoJNhhCS48

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe

Executes dropped EXE 2 IoCs

pid	Process
4288	Server.exe
2324	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe\" .."	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe\" .."	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
412	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: 33	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
Token: SeIncBasePriorityPrivilege	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 412	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe	87
PID 2916 wrote to memory of 412	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe	87
PID 2916 wrote to memory of 412	2916	dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe	87

C:\Users\Admin\AppData\Local\Temp\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe
"C:\Users\Admin\AppData\Local\Temp\dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:412

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4288

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
307KB

MD5
32db0e115ffc619b625e5bf83c87b5c0

SHA1
e55a1f1984f9b3f414f6f98b211ba0dee582c415

SHA256
dfebc469780c2c152b72580384ef4d60927a6de2d1b566a1a96fe943dd3251c6

SHA512
b7bcff588a4fee53ba4356b6b1d29234857bbd5e9092b5a74e4531349857f66e1ac67b5a9df9cb6416b084ab1895c98532411f3063508bd6195de261867ac13d

Download Submit
memory/2324-21-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2324-20-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2324-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2916-10-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/2916-8-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/2916-9-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2916-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/2916-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/2916-5-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/2916-3-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/2916-2-0x0000000004FF0000-0x000000000508C000-memory.dmp

Filesize
624KB

Download
memory/2916-1-0x00000000006E0000-0x0000000000734000-memory.dmp

Filesize
336KB

Download
memory/4288-13-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/4288-14-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/4288-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads