njrat | f19d3649f2bbef5a4f801af5e3f4a475793ec97460fff1fdae3716b0235d6eed

General

Target

9d64f21e7d6558fe3156a419b9a4647f.exe
Size

204KB
MD5

9d64f21e7d6558fe3156a419b9a4647f
SHA1

bd0390ae8acfecfdb09a4c65afd5125c16e90de8
SHA256

f19d3649f2bbef5a4f801af5e3f4a475793ec97460fff1fdae3716b0235d6eed
SHA512

236c9631bb379195ff9407d059bb89fb70ba4112969c417c76d42a3676dc04e417680e429f2865c0c8608b709305555c7b3c31da116478bd2c9ba7a5688ac00b
SSDEEP

3072:NJveA674eGXSmGchlDEtND/zYe5eKSUBz0q7dNUEqu4yaLtrrhCv88SHHZ6TfFQK:NdvHeGX6gwD7HzSj2m9uxaBhV9dzt

Score

10^/10

njrat hacker evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

Blue

Botnet

Hacker

C2

honma123.codns.com:8080

Mutex

98eb9f39a26282e8eb7fd7824affdb3a

Attributes

reg_key
98eb9f39a26282e8eb7fd7824affdb3a
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Processes:

netsh.exe

pid process

2516 netsh.exe

pid	process
2516	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

Processes:

9d64f21e7d6558fe3156a419b9a4647f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	9d64f21e7d6558fe3156a419b9a4647f.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\98eb9f39a26282e8eb7fd7824affdb3a.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\98eb9f39a26282e8eb7fd7824affdb3a.exe	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2484 svchost.exe

pid	process
2484	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\98eb9f39a26282e8eb7fd7824affdb3a = "\"C:\\Users\\Admin\\AppData\\Local\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\98eb9f39a26282e8eb7fd7824affdb3a = "\"C:\\Users\\Admin\\AppData\\Local\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe
Token: 33	2484	svchost.exe
Token: SeIncBasePriorityPrivilege	2484	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9d64f21e7d6558fe3156a419b9a4647f.exesvchost.exe

description	pid	process	target process
PID 1852 wrote to memory of 2484	1852	9d64f21e7d6558fe3156a419b9a4647f.exe	svchost.exe
PID 1852 wrote to memory of 2484	1852	9d64f21e7d6558fe3156a419b9a4647f.exe	svchost.exe
PID 1852 wrote to memory of 2484	1852	9d64f21e7d6558fe3156a419b9a4647f.exe	svchost.exe
PID 2484 wrote to memory of 2516	2484	svchost.exe	netsh.exe
PID 2484 wrote to memory of 2516	2484	svchost.exe	netsh.exe
PID 2484 wrote to memory of 2516	2484	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\9d64f21e7d6558fe3156a419b9a4647f.exe
"C:\Users\Admin\AppData\Local\Temp\9d64f21e7d6558fe3156a419b9a4647f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\svchost.exe
"C:\Users\Admin\AppData\Local\svchost.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\svchost.exe" "svchost.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\svchost.exe
Filesize
204KB

MD5
9d64f21e7d6558fe3156a419b9a4647f

SHA1
bd0390ae8acfecfdb09a4c65afd5125c16e90de8

SHA256
f19d3649f2bbef5a4f801af5e3f4a475793ec97460fff1fdae3716b0235d6eed

SHA512
236c9631bb379195ff9407d059bb89fb70ba4112969c417c76d42a3676dc04e417680e429f2865c0c8608b709305555c7b3c31da116478bd2c9ba7a5688ac00b

Download Submit
memory/1852-8-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1852-9-0x0000000004D20000-0x0000000004D2C000-memory.dmp

Filesize
48KB

Download
memory/1852-3-0x0000000004CD0000-0x0000000004CDE000-memory.dmp

Filesize
56KB

Download
memory/1852-4-0x0000000004E50000-0x0000000004E72000-memory.dmp

Filesize
136KB

Download
memory/1852-5-0x00000000077E0000-0x0000000007D84000-memory.dmp

Filesize
5.6MB

Download
memory/1852-6-0x0000000007310000-0x00000000073A2000-memory.dmp

Filesize
584KB

Download
memory/1852-2-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/1852-0-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/1852-7-0x0000000007450000-0x00000000074EC000-memory.dmp

Filesize
624KB

Download
memory/1852-10-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/1852-1-0x00000000003B0000-0x00000000003EA000-memory.dmp

Filesize
232KB

Download
memory/1852-24-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/2484-23-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/2484-25-0x00000000752A0000-0x0000000075A50000-memory.dmp

Filesize
7.7MB

Download
memory/2484-27-0x00000000087C0000-0x00000000087CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads