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 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

4772 svchost.exe
2904 svchost.exe

pid	process
4772	svchost.exe
2904	svchost.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:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.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

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 2124 set thread context of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 4772 set thread context of 2904	4772	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 2 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
Token: SeDebugPrivilege	4772	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exesvchost.exe

description	pid	process	target process
PID 2124 wrote to memory of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 2124 wrote to memory of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 2124 wrote to memory of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 2124 wrote to memory of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 2124 wrote to memory of 1232	2124	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
PID 1232 wrote to memory of 4772	1232	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 1232 wrote to memory of 4772	1232	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 1232 wrote to memory of 4772	1232	34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe	svchost.exe
PID 4772 wrote to memory of 2904	4772	svchost.exe	svchost.exe
PID 4772 wrote to memory of 2904	4772	svchost.exe	svchost.exe
PID 4772 wrote to memory of 2904	4772	svchost.exe	svchost.exe
PID 4772 wrote to memory of 2904	4772	svchost.exe	svchost.exe
PID 4772 wrote to memory of 2904	4772	svchost.exe	svchost.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:2124

C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
C:\Users\Admin\AppData\Local\Temp\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe
2⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1232

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:4772

C:\Windows\svchost.exe
C:\Windows\svchost.exe
4⤵
- Executes dropped EXE
PID:2904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e.exe.log
Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

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
C:\Windows\svchost.exe
Filesize
786KB

MD5
b3add9a1e502c753d95a2e9f48673395

SHA1
5fe5aa9cb6a39d03d2fe7fed545fd5905aca3037

SHA256
34ea5f27c0d05baccc33fd1bb2b8beed511b3ebfe9e73894ae546eb72f17447e

SHA512
c32518f3ebe3b1c9838f6c0011713a314e45f3b78bbf0c0244d4d157820db2c6fe66ba1b8951e89eae3d4f9bd5410c27734e3af0a001a293f7dd02514d09a685

Download Submit
memory/1232-138-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1232-137-0x0000000000000000-mapping.dmp

Download
memory/2124-132-0x0000000000700000-0x00000000007CA000-memory.dmp

Filesize
808KB

Download
memory/2124-136-0x0000000007C00000-0x0000000007C9C000-memory.dmp

Filesize
624KB

Download
memory/2124-135-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/2124-134-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/2124-133-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/2904-143-0x0000000000000000-mapping.dmp

Download
memory/4772-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads