njrat | 34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e

General

Target

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
Size

786KB
MD5

b3add9a1e502c753d95a2e9f48673395
SHA1

5fe5aa9cb6a39d03d2fe7fed545fd5905aca3037
SHA256

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e
SHA512

c32518f3ebe3b1c9838f6c0011713a314e45f3b78bbf0c0244d4d157820db2c6fe66ba1b8951e89eae3d4f9bd5410c27734e3af0a001a293f7dd02514d09a685
SSDEEP

24576:gsTrikod71pwGuB7DNnui1jbx051ebqo/rZo4AxwYx:gsTrikod71pwGuB7DNnuYBC0bqo/NoJT

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mehdimoro.ddns.net:5555

Mutex

4aeed655f342a0295abb3112731f878a

Attributes

reg_key
4aeed655f342a0295abb3112731f878a
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

688 svchost.exe
304 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

980 netsh.exe

pid	process
688	svchost.exe
304	svchost.exe

pid	process
980	netsh.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\4aeed655f342a0295abb3112731f878a.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4aeed655f342a0295abb3112731f878a.exe	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aYQwA0zYJ87p8B = "C:\\Windows\\system32\\Server.exe"	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aYQwA0zYJ87p8B = "C:\\Windows\\system32\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\4aeed655f342a0295abb3112731f878a = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4aeed655f342a0295abb3112731f878a = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in System32 directory 2 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Server.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
File opened for modification	C:\Windows\SysWOW64\Server.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exe

description	pid	process	target process
PID 1256 set thread context of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 688 set thread context of 304	688	svchost.exe	svchost.exe

Drops file in Windows directory 1 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

description ioc process

File created C:\Windows\svchost.exe 34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\svchost.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
Token: SeDebugPrivilege	688	svchost.exe
Token: SeDebugPrivilege	304	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exesvchost.exe

description	pid	process	target process
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1256 wrote to memory of 1252	1256	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1252 wrote to memory of 688	1252	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 1252 wrote to memory of 688	1252	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 1252 wrote to memory of 688	1252	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 1252 wrote to memory of 688	1252	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 688 wrote to memory of 304	688	svchost.exe	svchost.exe
PID 304 wrote to memory of 980	304	svchost.exe	netsh.exe
PID 304 wrote to memory of 980	304	svchost.exe	netsh.exe
PID 304 wrote to memory of 980	304	svchost.exe	netsh.exe
PID 304 wrote to memory of 980	304	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
"C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
2⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\svchost.exe
"C:\Windows\svchost.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:688

C:\Windows\svchost.exe
C:\Windows\svchost.exe
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:304

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
5⤵
- Modifies Windows Firewall
PID:980

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:\Windows\svchost.exe
Filesize
786KB

MD5
b3add9a1e502c753d95a2e9f48673395

SHA1
5fe5aa9cb6a39d03d2fe7fed545fd5905aca3037

SHA256
34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e

SHA512
c32518f3ebe3b1c9838f6c0011713a314e45f3b78bbf0c0244d4d157820db2c6fe66ba1b8951e89eae3d4f9bd5410c27734e3af0a001a293f7dd02514d09a685

Download Submit
C:\Windows\svchost.exe
Filesize
786KB

MD5
b3add9a1e502c753d95a2e9f48673395

SHA1
5fe5aa9cb6a39d03d2fe7fed545fd5905aca3037

SHA256
34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e

SHA512
c32518f3ebe3b1c9838f6c0011713a314e45f3b78bbf0c0244d4d157820db2c6fe66ba1b8951e89eae3d4f9bd5410c27734e3af0a001a293f7dd02514d09a685

Download Submit
C:\Windows\svchost.exe
Filesize
786KB

MD5
b3add9a1e502c753d95a2e9f48673395

SHA1
5fe5aa9cb6a39d03d2fe7fed545fd5905aca3037

SHA256
34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e

SHA512
c32518f3ebe3b1c9838f6c0011713a314e45f3b78bbf0c0244d4d157820db2c6fe66ba1b8951e89eae3d4f9bd5410c27734e3af0a001a293f7dd02514d09a685

Download Submit
memory/304-73-0x000000000040747E-mapping.dmp

Download
memory/688-67-0x0000000000000000-mapping.dmp

Download
memory/688-79-0x00000000048F5000-0x0000000004906000-memory.dmp

Filesize
68KB

Download
memory/688-70-0x0000000000B90000-0x0000000000C5A000-memory.dmp

Filesize
808KB

Download
memory/980-80-0x0000000000000000-mapping.dmp

Download
memory/1252-64-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1252-62-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1252-59-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1252-60-0x000000000040747E-mapping.dmp

Download
memory/1256-65-0x00000000004A0000-0x00000000004E0000-memory.dmp

Filesize
256KB

Download
memory/1256-54-0x00000000009F0000-0x0000000000ABA000-memory.dmp

Filesize
808KB

Download
memory/1256-58-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/1256-57-0x0000000002050000-0x0000000002094000-memory.dmp

Filesize
272KB

Download
memory/1256-56-0x0000000004270000-0x00000000042E2000-memory.dmp

Filesize
456KB

Download
memory/1256-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads