njrat | e9bf3fc00ed911d03f986e4ee8bc199835d75b2772c4089351a3e81f6a723558

General

Target

56a93141da5e548bbb1b51d75c1c6eb4.exe
Size

37KB
MD5

56a93141da5e548bbb1b51d75c1c6eb4
SHA1

220b3777cd9a82fb7ec3df41fe5671afbbff48e5
SHA256

e9bf3fc00ed911d03f986e4ee8bc199835d75b2772c4089351a3e81f6a723558
SHA512

48829aed487046290e28ab2e1e6db0f2084721e7fbf4766d148f17531dcca5fbc0e63cfdfbd9d9574a7c551320eb488e130be2f2776138abde7901bed5227abd

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

6.tcp.eu.ngrok.io:12180

Mutex

27a24c123d1e61d690116d6e2ecb6791

Attributes

reg_key
27a24c123d1e61d690116d6e2ecb6791
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

608 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1536 netsh.exe

pid	process
1536	netsh.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27a24c123d1e61d690116d6e2ecb6791.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\27a24c123d1e61d690116d6e2ecb6791.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

56a93141da5e548bbb1b51d75c1c6eb4.exe

pid process

1940 56a93141da5e548bbb1b51d75c1c6eb4.exe

pid	process
1940	56a93141da5e548bbb1b51d75c1c6eb4.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\27a24c123d1e61d690116d6e2ecb6791 = "\"C:\\Users\\Admin\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\27a24c123d1e61d690116d6e2ecb6791 = "\"C:\\Users\\Admin\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

server.exe

pid	process
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe
608	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

server.exe

pid process

608 server.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe
Token: 33	608	server.exe
Token: SeIncBasePriorityPrivilege	608	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

56a93141da5e548bbb1b51d75c1c6eb4.exeserver.exe

description	pid	process	target process
PID 1940 wrote to memory of 608	1940	56a93141da5e548bbb1b51d75c1c6eb4.exe	server.exe
PID 1940 wrote to memory of 608	1940	56a93141da5e548bbb1b51d75c1c6eb4.exe	server.exe
PID 1940 wrote to memory of 608	1940	56a93141da5e548bbb1b51d75c1c6eb4.exe	server.exe
PID 1940 wrote to memory of 608	1940	56a93141da5e548bbb1b51d75c1c6eb4.exe	server.exe
PID 608 wrote to memory of 1536	608	server.exe	netsh.exe
PID 608 wrote to memory of 1536	608	server.exe	netsh.exe
PID 608 wrote to memory of 1536	608	server.exe	netsh.exe
PID 608 wrote to memory of 1536	608	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\56a93141da5e548bbb1b51d75c1c6eb4.exe
"C:\Users\Admin\AppData\Local\Temp\56a93141da5e548bbb1b51d75c1c6eb4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1940

C:\Users\Admin\server.exe
"C:\Users\Admin\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:608

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\server.exe
Filesize
37KB

MD5
56a93141da5e548bbb1b51d75c1c6eb4

SHA1
220b3777cd9a82fb7ec3df41fe5671afbbff48e5

SHA256
e9bf3fc00ed911d03f986e4ee8bc199835d75b2772c4089351a3e81f6a723558

SHA512
48829aed487046290e28ab2e1e6db0f2084721e7fbf4766d148f17531dcca5fbc0e63cfdfbd9d9574a7c551320eb488e130be2f2776138abde7901bed5227abd

Download Submit
C:\Users\Admin\server.exe
Filesize
37KB

MD5
56a93141da5e548bbb1b51d75c1c6eb4

SHA1
220b3777cd9a82fb7ec3df41fe5671afbbff48e5

SHA256
e9bf3fc00ed911d03f986e4ee8bc199835d75b2772c4089351a3e81f6a723558

SHA512
48829aed487046290e28ab2e1e6db0f2084721e7fbf4766d148f17531dcca5fbc0e63cfdfbd9d9574a7c551320eb488e130be2f2776138abde7901bed5227abd

Download Submit
\Users\Admin\server.exe
Filesize
37KB

MD5
56a93141da5e548bbb1b51d75c1c6eb4

SHA1
220b3777cd9a82fb7ec3df41fe5671afbbff48e5

SHA256
e9bf3fc00ed911d03f986e4ee8bc199835d75b2772c4089351a3e81f6a723558

SHA512
48829aed487046290e28ab2e1e6db0f2084721e7fbf4766d148f17531dcca5fbc0e63cfdfbd9d9574a7c551320eb488e130be2f2776138abde7901bed5227abd

Download Submit
memory/608-58-0x0000000000000000-mapping.dmp

Download
memory/608-63-0x0000000075020000-0x00000000755CB000-memory.dmp

Filesize
5.7MB

Download
memory/608-66-0x0000000075020000-0x00000000755CB000-memory.dmp

Filesize
5.7MB

Download
memory/1536-64-0x0000000000000000-mapping.dmp

Download
memory/1940-54-0x0000000076A21000-0x0000000076A23000-memory.dmp

Filesize
8KB

Download
memory/1940-55-0x0000000075020000-0x00000000755CB000-memory.dmp

Filesize
5.7MB

Download
memory/1940-56-0x0000000075020000-0x00000000755CB000-memory.dmp

Filesize
5.7MB

Download
memory/1940-62-0x0000000075020000-0x00000000755CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads