njrat | 3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

General

Target

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
Size

180KB
MD5

f76896af9cfc0316ef7f670c7f5ed927
SHA1

e536ae98ec304649f5bc9f18f9731e54f544228e
SHA256

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28
SHA512

9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da
SSDEEP

3072:YbzRtQ/hKbSjSQgBp0kZlqTb/dtzDE+Khtntpsak8rDWtV+:YQoSqhZlQRtzDCt3t4

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

0788878940.no-ip.org:55554

Mutex

46123a2deb0d891e7972ee418c053b39

Attributes

reg_key
46123a2deb0d891e7972ee418c053b39
splitter
|'|'|

Signatures

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

Processes:

windows.exe

pid process

2872 windows.exe

pid	process
2872	windows.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:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

description	ioc	process
File opened for modification	C:\Windows\assembly\Desktop.ini	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
File created	C:\Windows\assembly\Desktop.ini	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

description	pid	process	target process
PID 1940 set thread context of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

Drops file in Windows directory 3 IoCs

Processes:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

description	ioc	process
File opened for modification	C:\Windows\assembly	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
File created	C:\Windows\assembly\Desktop.ini	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exewindows.exe

description	pid	process
Token: SeDebugPrivilege	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
Token: SeDebugPrivilege	2872	windows.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exewindows.exe

description	pid	process	target process
PID 1940 wrote to memory of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
PID 1940 wrote to memory of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
PID 1940 wrote to memory of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
PID 1940 wrote to memory of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
PID 1940 wrote to memory of 3432	1940	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
PID 3432 wrote to memory of 2872	3432	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	windows.exe
PID 3432 wrote to memory of 2872	3432	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	windows.exe
PID 3432 wrote to memory of 2872	3432	3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe	windows.exe
PID 2872 wrote to memory of 5064	2872	windows.exe	windows.exe
PID 2872 wrote to memory of 5064	2872	windows.exe	windows.exe
PID 2872 wrote to memory of 5064	2872	windows.exe	windows.exe

C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
"C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940

C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
C:\Users\Admin\AppData\Local\Temp\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3432

C:\Users\Admin\AppData\Roaming\windows.exe
"C:\Users\Admin\AppData\Roaming\windows.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872

C:\Users\Admin\AppData\Roaming\windows.exe
C:\Users\Admin\AppData\Roaming\windows.exe
4⤵
PID:5064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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_v2.0_32\UsageLogs\3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28.exe.log
Filesize
496B

MD5
7baa6583f69f63f7230df9bf98448356

SHA1
fe9eb85b57192362da704a3c130377fe83862320

SHA256
a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

SHA512
0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
180KB

MD5
f76896af9cfc0316ef7f670c7f5ed927

SHA1
e536ae98ec304649f5bc9f18f9731e54f544228e

SHA256
3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

SHA512
9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

Download Submit
C:\Users\Admin\AppData\Roaming\windows.exe
Filesize
180KB

MD5
f76896af9cfc0316ef7f670c7f5ed927

SHA1
e536ae98ec304649f5bc9f18f9731e54f544228e

SHA256
3e8d65e81df336aa3bac5b1d332e075fe48c2b6e256c004f1635168674883f28

SHA512
9f9f904ccd867aa94b8822416641d105ecba9b2e67f9675e48303c696083b50c89f22f831faa9a6a6696004417d141a74ada77d40119c424eb546b47ec0197da

Download Submit
memory/1940-133-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/1940-132-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/1940-137-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-146-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-145-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-139-0x0000000000000000-mapping.dmp

Download
memory/3432-135-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3432-138-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3432-143-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3432-136-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3432-134-0x0000000000000000-mapping.dmp

Download
memory/5064-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads