njrat | 4a6ba5a1b484be5e51bde495518b46f56abc53c34291551c25c3eb0c5e930d2a

Analysis

max time kernel
23s
max time network
136s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-09-2022 20:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2f31e85aa9c78b6e90e11b5c5c03ca6c.exe
Size

37KB
MD5

2f31e85aa9c78b6e90e11b5c5c03ca6c
SHA1

9689697f566c5d213b6c2711fb7b24db200892ac
SHA256

4a6ba5a1b484be5e51bde495518b46f56abc53c34291551c25c3eb0c5e930d2a
SHA512

ac16652707cc8d8103e9e77ee9114c5020143afc9536d3d7800271a412e4ceef641fb1989f6e68383a262a10e4dd0e72cdc8fd326cef4747356e9d482f08698b
SSDEEP

384:afunz6dgibXjpPu7w9qyMTA3/r6s2cLrrAF+rMRTyN/0L+EcoinblneHQM3epzXZ:r+NN9ZMTA3W1cvrM+rMRa8NutXt

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

8.tcp.ngrok.io:12006

Mutex

e5b461e898ede89ab7bb3c41c44aaf10

Attributes

reg_key
e5b461e898ede89ab7bb3c41c44aaf10
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

Loader.exe

pid process

968 Loader.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2028 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

2f31e85aa9c78b6e90e11b5c5c03ca6c.exe

pid process

360 2f31e85aa9c78b6e90e11b5c5c03ca6c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
968	Loader.exe

pid	process
2028	netsh.exe

pid	process
360	2f31e85aa9c78b6e90e11b5c5c03ca6c.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2f31e85aa9c78b6e90e11b5c5c03ca6c.exeLoader.exe

description	pid	process	target process
PID 360 wrote to memory of 968	360	2f31e85aa9c78b6e90e11b5c5c03ca6c.exe	Loader.exe
PID 360 wrote to memory of 968	360	2f31e85aa9c78b6e90e11b5c5c03ca6c.exe	Loader.exe
PID 360 wrote to memory of 968	360	2f31e85aa9c78b6e90e11b5c5c03ca6c.exe	Loader.exe
PID 360 wrote to memory of 968	360	2f31e85aa9c78b6e90e11b5c5c03ca6c.exe	Loader.exe
PID 968 wrote to memory of 2028	968	Loader.exe	netsh.exe
PID 968 wrote to memory of 2028	968	Loader.exe	netsh.exe
PID 968 wrote to memory of 2028	968	Loader.exe	netsh.exe
PID 968 wrote to memory of 2028	968	Loader.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2f31e85aa9c78b6e90e11b5c5c03ca6c.exe
"C:\Users\Admin\AppData\Local\Temp\2f31e85aa9c78b6e90e11b5c5c03ca6c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:360

C:\Users\Admin\AppData\Roaming\Loader.exe
"C:\Users\Admin\AppData\Roaming\Loader.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Loader.exe" "Loader.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Loader.exe
Filesize
37KB

MD5
2f31e85aa9c78b6e90e11b5c5c03ca6c

SHA1
9689697f566c5d213b6c2711fb7b24db200892ac

SHA256
4a6ba5a1b484be5e51bde495518b46f56abc53c34291551c25c3eb0c5e930d2a

SHA512
ac16652707cc8d8103e9e77ee9114c5020143afc9536d3d7800271a412e4ceef641fb1989f6e68383a262a10e4dd0e72cdc8fd326cef4747356e9d482f08698b

Download Submit
C:\Users\Admin\AppData\Roaming\Loader.exe
Filesize
37KB

MD5
2f31e85aa9c78b6e90e11b5c5c03ca6c

SHA1
9689697f566c5d213b6c2711fb7b24db200892ac

SHA256
4a6ba5a1b484be5e51bde495518b46f56abc53c34291551c25c3eb0c5e930d2a

SHA512
ac16652707cc8d8103e9e77ee9114c5020143afc9536d3d7800271a412e4ceef641fb1989f6e68383a262a10e4dd0e72cdc8fd326cef4747356e9d482f08698b

Download Submit
\Users\Admin\AppData\Roaming\Loader.exe
Filesize
37KB

MD5
2f31e85aa9c78b6e90e11b5c5c03ca6c

SHA1
9689697f566c5d213b6c2711fb7b24db200892ac

SHA256
4a6ba5a1b484be5e51bde495518b46f56abc53c34291551c25c3eb0c5e930d2a

SHA512
ac16652707cc8d8103e9e77ee9114c5020143afc9536d3d7800271a412e4ceef641fb1989f6e68383a262a10e4dd0e72cdc8fd326cef4747356e9d482f08698b

Download Submit
memory/360-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/360-55-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/360-61-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/968-62-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/968-57-0x0000000000000000-mapping.dmp

Download
memory/968-65-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-63-0x0000000000000000-mapping.dmp

Download