njrat | 6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 20:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

31D526F2A0555E904ED31EC797E8151F.exe
Size

1.1MB
MD5

31d526f2a0555e904ed31ec797e8151f
SHA1

742d84337a209d151eace5f6ab3aea0f3c1fac16
SHA256

6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1
SHA512

99027eec040a091523060267406686512ed26f0d2ae720449e56fff59115cd31b4d760dab114ea6d2f7e976161ac1a664dc9eafc16c9f8a2c89a1afa7e1133a9
SSDEEP

24576:1ffWAsmm6oDJksQSeW0maMjxc7RKm95rkwbfPH1CKUXpdIDFoas9:1ffWGoasOdM+gm95gOfPHnb+aC

Score

10^/10

njrat 2 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

than-electoral.gl.at.ply.gg:36364

Mutex

0c8d792f9c21b154330684f6c50ab800

Attributes

reg_key
0c8d792f9c21b154330684f6c50ab800
splitter
|'|'|

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
2388	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0c8d792f9c21b154330684f6c50ab800.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0c8d792f9c21b154330684f6c50ab800.exe	svhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	svhost.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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\0c8d792f9c21b154330684f6c50ab800 = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0c8d792f9c21b154330684f6c50ab800 = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe

Drops autorun.inf file 1 TTPs 5 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\autorun.inf	svhost.exe
File created	C:\autorun.inf	svhost.exe
File opened for modification	C:\autorun.inf	svhost.exe
File created	D:\autorun.inf	svhost.exe
File created	F:\autorun.inf	svhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs

pid	Process
2240	31D526F2A0555E904ED31EC797E8151F.exe
2240	31D526F2A0555E904ED31EC797E8151F.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\svhost.exe	31D526F2A0555E904ED31EC797E8151F.exe
File opened for modification	C:\Windows\svhost.exe	31D526F2A0555E904ED31EC797E8151F.exe
File opened for modification	C:\Windows\svhost.exe	svhost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2240	31D526F2A0555E904ED31EC797E8151F.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe
2628	svhost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	svhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe
Token: 33	2628	svhost.exe
Token: SeIncBasePriorityPrivilege	2628	svhost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2240	31D526F2A0555E904ED31EC797E8151F.exe
2628	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2628	2240	31D526F2A0555E904ED31EC797E8151F.exe	28
PID 2240 wrote to memory of 2628	2240	31D526F2A0555E904ED31EC797E8151F.exe	28
PID 2240 wrote to memory of 2628	2240	31D526F2A0555E904ED31EC797E8151F.exe	28
PID 2240 wrote to memory of 2628	2240	31D526F2A0555E904ED31EC797E8151F.exe	28
PID 2628 wrote to memory of 2388	2628	svhost.exe	29
PID 2628 wrote to memory of 2388	2628	svhost.exe	29
PID 2628 wrote to memory of 2388	2628	svhost.exe	29
PID 2628 wrote to memory of 2388	2628	svhost.exe	29

C:\Users\Admin\AppData\Local\Temp\31D526F2A0555E904ED31EC797E8151F.exe
"C:\Users\Admin\AppData\Local\Temp\31D526F2A0555E904ED31EC797E8151F.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\svhost.exe
  "C:\Windows\svhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops autorun.inf file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2628
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svhost.exe" "svhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

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

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\svhost.exe

Filesize
1.1MB

MD5
31d526f2a0555e904ed31ec797e8151f

SHA1
742d84337a209d151eace5f6ab3aea0f3c1fac16

SHA256
6d4056dce7464a436ab92a94702d79b48f861daa8f97d29c30b26c3461f3f0a1

SHA512
99027eec040a091523060267406686512ed26f0d2ae720449e56fff59115cd31b4d760dab114ea6d2f7e976161ac1a664dc9eafc16c9f8a2c89a1afa7e1133a9

Download Submit
memory/2240-16-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2240-1-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2240-2-0x0000000002DD0000-0x0000000002E10000-memory.dmp

Filesize
256KB

Download
memory/2240-3-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2240-9-0x0000000005E80000-0x00000000061F4000-memory.dmp

Filesize
3.5MB

Download
memory/2240-0-0x00000000011E0000-0x0000000001554000-memory.dmp

Filesize
3.5MB

Download
memory/2240-14-0x00000000011E0000-0x0000000001554000-memory.dmp

Filesize
3.5MB

Download
memory/2628-10-0x0000000001240000-0x00000000015B4000-memory.dmp

Filesize
3.5MB

Download
memory/2628-15-0x00000000031D0000-0x0000000003210000-memory.dmp

Filesize
256KB

Download
memory/2628-13-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-17-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-29-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2628-30-0x00000000031D0000-0x0000000003210000-memory.dmp

Filesize
256KB

Download