njrat | 926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642

Analysis

max time kernel
93s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 02:27

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General

Target

926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe
Size

33KB
MD5

538a95adc47384e2b9cc837488628de8
SHA1

d0ead0592e2f891d1304be71ccd755c78e94adfa
SHA256

926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642
SHA512

947e0b370b1599d2957441ba203ffcae7dff19c7a12e76613bf9ee839fd46a311689c349ee7a721fc2e8170a55ee64a1c062f13f891d8279abe83d881f3ce627
SSDEEP

384:CDKimCftl7ndJoc8e9v55Do7mmmqDspHe4qGBsbh0w4wlAokw9OhgOL1vYRGOZz9:oKAD7zoc86xi74q8HeoBKh0p29SgRoo

Score

10^/10

njrat boy hacker kurdish trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Boy Hacker Kurdish

boyhacker.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
4616	Trojan.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 4616	4300	926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe	82
PID 4300 wrote to memory of 4616	4300	926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe	82
PID 4300 wrote to memory of 4616	4300	926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe	82

C:\Users\Admin\AppData\Local\Temp\926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe
"C:\Users\Admin\AppData\Local\Temp\926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  PID:4616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
33KB

MD5
538a95adc47384e2b9cc837488628de8

SHA1
d0ead0592e2f891d1304be71ccd755c78e94adfa

SHA256
926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642

SHA512
947e0b370b1599d2957441ba203ffcae7dff19c7a12e76613bf9ee839fd46a311689c349ee7a721fc2e8170a55ee64a1c062f13f891d8279abe83d881f3ce627

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
33KB

MD5
538a95adc47384e2b9cc837488628de8

SHA1
d0ead0592e2f891d1304be71ccd755c78e94adfa

SHA256
926ec604fc6598362b361d3c56db967fb1566cf8c82723921d482a540679e642

SHA512
947e0b370b1599d2957441ba203ffcae7dff19c7a12e76613bf9ee839fd46a311689c349ee7a721fc2e8170a55ee64a1c062f13f891d8279abe83d881f3ce627

Download Submit
memory/4300-132-0x0000000074AA0000-0x0000000075051000-memory.dmp

Filesize
5.7MB

Download
memory/4300-136-0x0000000074AA0000-0x0000000075051000-memory.dmp

Filesize
5.7MB

Download
memory/4300-138-0x0000000074AA0000-0x0000000075051000-memory.dmp

Filesize
5.7MB

Download
memory/4616-137-0x0000000074AA0000-0x0000000075051000-memory.dmp

Filesize
5.7MB

Download
memory/4616-139-0x0000000074AA0000-0x0000000075051000-memory.dmp

Filesize
5.7MB

Download