njrat | fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86

Analysis

max time kernel
119s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 07:56 UTC

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General

Target

fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe
Size

23KB
MD5

19a8710cbb5a9b606617c48c2e528080
SHA1

c2d291b5fa122057a05cb67f76fc93b676615f90
SHA256

fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86
SHA512

c10b64057dc8452605a3f574849b058c775ee28161c1bf902950cfe9d4c7fcb1e67b5d19791b5d4f31a9257b84725f71234a399f5b6214b23745a07b76acfeb8
SSDEEP

384:d/KPBfWhERYoBX16XuIeMHNw6Tg1Y6eeTFmRvR6JZlbw8hqIusZzZN4:u44P1InRpcnuB

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
1500	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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3292a39595bf286cc7808b134dcfcbdd.exe	netrefleactor.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3292a39595bf286cc7808b134dcfcbdd.exe	netrefleactor.exe

Executes dropped EXE 1 IoCs

pid	Process
4840	netrefleactor.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-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3292a39595bf286cc7808b134dcfcbdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\netrefleactor.exe\" .."	netrefleactor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3292a39595bf286cc7808b134dcfcbdd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\netrefleactor.exe\" .."	netrefleactor.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	fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netrefleactor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe
Token: 33	4840	netrefleactor.exe
Token: SeIncBasePriorityPrivilege	4840	netrefleactor.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 4840	3436	fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe	89
PID 3436 wrote to memory of 4840	3436	fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe	89
PID 3436 wrote to memory of 4840	3436	fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe	89
PID 4840 wrote to memory of 1500	4840	netrefleactor.exe	90
PID 4840 wrote to memory of 1500	4840	netrefleactor.exe	90
PID 4840 wrote to memory of 1500	4840	netrefleactor.exe	90

C:\Users\Admin\AppData\Local\Temp\fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe
"C:\Users\Admin\AppData\Local\Temp\fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\netrefleactor.exe
  "C:\Users\Admin\AppData\Local\Temp\netrefleactor.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:4840
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\netrefleactor.exe" "netrefleactor.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1500

Network

DNS

128.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

128.159.190.20.in-addr.arpa

IN PTR

Response
GET

https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

Remote address:

88.221.135.51:443

Request

GET /th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90 HTTP/2.0
host: www.bing.com
accept: */*
accept-encoding: gzip, deflate, br
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041

Response

HTTP/2.0 200

cache-control: public, max-age=2592000
content-type: image/png
access-control-allow-origin: *
access-control-allow-headers: *
access-control-allow-methods: GET, POST, OPTIONS
timing-allow-origin: *
report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth&ndcParam=QWthbWFp"}]}
nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
content-length: 1107
date: Wed, 05 Feb 2025 07:56:52 GMT
alt-svc: h3=":443"; ma=93600
x-cdn-traceid: 0.3f367a5c.1738742212.157877a
DNS

167.173.78.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

167.173.78.104.in-addr.arpa

IN PTR

Response

167.173.78.104.in-addr.arpa

IN PTR

a104-78-173-167deploystaticakamaitechnologiescom
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

57.169.31.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

57.169.31.20.in-addr.arpa

IN PTR

Response
DNS

51.135.221.88.in-addr.arpa

Remote address:

8.8.8.8:53

Request

51.135.221.88.in-addr.arpa

IN PTR

Response

51.135.221.88.in-addr.arpa

IN PTR

a88-221-135-51deploystaticakamaitechnologiescom
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

50.23.12.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

50.23.12.20.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

30.243.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

30.243.111.52.in-addr.arpa

IN PTR

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

Response
DNS

riad-imss.ddns.net

netrefleactor.exe

Remote address:

8.8.8.8:53

Request

riad-imss.ddns.net

IN A

88.221.135.51:443

https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

tls, http2

1.5kB
6.4kB
17
13

HTTP Request

GET https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

HTTP Response

200

8.8.8.8:53

128.159.190.20.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

128.159.190.20.in-addr.arpa
8.8.8.8:53

167.173.78.104.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

167.173.78.104.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

57.169.31.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

57.169.31.20.in-addr.arpa
8.8.8.8:53

51.135.221.88.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

51.135.221.88.in-addr.arpa
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

50.23.12.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

50.23.12.20.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

128 B
124 B
2
1

DNS Request

riad-imss.ddns.net

DNS Request

riad-imss.ddns.net
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

30.243.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

30.243.111.52.in-addr.arpa
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

64 B
124 B
1
1

DNS Request

riad-imss.ddns.net
8.8.8.8:53

riad-imss.ddns.net

dns

netrefleactor.exe

128 B
124 B
2
1

DNS Request

riad-imss.ddns.net

DNS Request

riad-imss.ddns.net

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\netrefleactor.exe

Filesize
23KB

MD5
19a8710cbb5a9b606617c48c2e528080

SHA1
c2d291b5fa122057a05cb67f76fc93b676615f90

SHA256
fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86

SHA512
c10b64057dc8452605a3f574849b058c775ee28161c1bf902950cfe9d4c7fcb1e67b5d19791b5d4f31a9257b84725f71234a399f5b6214b23745a07b76acfeb8

Download Submit
memory/3436-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/3436-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3436-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3436-13-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4840-12-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4840-14-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4840-16-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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