njrat | 7559e6ca8b77400f88bf4e67208a1c32570a670068eccae9e3d226cc5471bd47

Resubmissions

03/02/2025, 21:57

250203-1t5hmsvmat 10

03/02/2025, 04:37

250203-e896saslgn 10

31/01/2025, 18:35

250131-w8gmxatmc1 10

Analysis

max time kernel
149s
max time network
96s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
03/02/2025, 21:57

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General

Target

bazaar.2020.02/Trojan.MSIL.Disfa.exe
Size

23KB
MD5

8f45e7c4af6c9253d95d8bdf6fcbbbdd
SHA1

cccdaf134382fba0e422da809a860a9b2b5e252c
SHA256

fe30c3e3acd5449124af4d0f78bd33a4e6a35d4240d9c7ad8dea1a1332e1312d
SHA512

877bff6a652d0c116884bddd15ab2fbc2784e372c53e6a0f6db84b1d3c6add0ff2c2b6064fada31cc43a7f8887bb06d8ee77ddf0072e9814e7daef58f4fc0696
SSDEEP

384:sc68yCasVKDh3OQyNpsQ1im/VjJs+PyR46vg5J++p57nhmRvR6JZlbw8hqIusZzz:S873Kt+QesGN/VjZPQRpcnuG

Score

10^/10

njrat defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3924	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-1-5-21-2580446533-3148764140-1073334258-1000\Control Panel\International\Geo\Nation	Trojan.MSIL.Disfa.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3dfad3bbc7bad1562c683adfee1a8e48.exe	Downloading.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3dfad3bbc7bad1562c683adfee1a8e48.exe	Downloading.exe

Executes dropped EXE 1 IoCs

pid	Process
1004	Downloading.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-1-5-21-2580446533-3148764140-1073334258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3dfad3bbc7bad1562c683adfee1a8e48 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Downloading.exe\" .."	Downloading.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3dfad3bbc7bad1562c683adfee1a8e48 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Downloading.exe\" .."	Downloading.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

System Location Discovery: System Language Discovery 1 TTPs 3 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	Trojan.MSIL.Disfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Downloading.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe
Token: 33	1004	Downloading.exe
Token: SeIncBasePriorityPrivilege	1004	Downloading.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 1004	224	Trojan.MSIL.Disfa.exe	79
PID 224 wrote to memory of 1004	224	Trojan.MSIL.Disfa.exe	79
PID 224 wrote to memory of 1004	224	Trojan.MSIL.Disfa.exe	79
PID 1004 wrote to memory of 3924	1004	Downloading.exe	80
PID 1004 wrote to memory of 3924	1004	Downloading.exe	80
PID 1004 wrote to memory of 3924	1004	Downloading.exe	80

C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Trojan.MSIL.Disfa.exe
"C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\Trojan.MSIL.Disfa.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:224
- C:\Users\Admin\AppData\Roaming\Downloading.exe
  "C:\Users\Admin\AppData\Roaming\Downloading.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Downloading.exe" "Downloading.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3924

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Downloading.exe

Filesize
23KB

MD5
8f45e7c4af6c9253d95d8bdf6fcbbbdd

SHA1
cccdaf134382fba0e422da809a860a9b2b5e252c

SHA256
fe30c3e3acd5449124af4d0f78bd33a4e6a35d4240d9c7ad8dea1a1332e1312d

SHA512
877bff6a652d0c116884bddd15ab2fbc2784e372c53e6a0f6db84b1d3c6add0ff2c2b6064fada31cc43a7f8887bb06d8ee77ddf0072e9814e7daef58f4fc0696

Download Submit
memory/224-0-0x0000000075062000-0x0000000075063000-memory.dmp

Filesize
4KB

Download
memory/224-1-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/224-2-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/224-16-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/1004-15-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/1004-17-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/1004-18-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads