njrat | 35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d

Analysis

max time kernel
171s
max time network
221s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 00:14

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General

Target

35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe
Size

29KB
MD5

51fc62ebbaea37b188705ba73f5a76af
SHA1

021a0cc05bc7ccdb8efb832147881a4e64812e88
SHA256

35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d
SHA512

9839dcb4d5885ca1e152e6b826dffc5cd23491d2aeebc01036473a9bd4ed7839a8372ca886ac8c73dd28563b5f4c10a98a58bc4fedda0f71bf5494ae9f3ab752
SSDEEP

384:dZCINl7rZt4AgSTnd5fGmjmumqD418+eYKGBsbh0w4wlAokw9OhgOL1vYRGOZzq/:d/7v4AgMdgmjAq8XeIBKh0p29SgRMl

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

mamostayanpoolllll.ddns.net:1177

Mutex

368fc7f563096ad51849f0d2c298fc08

Attributes

reg_key
368fc7f563096ad51849f0d2c298fc08
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3376	Skype.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.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 212 wrote to memory of 3376	212	35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe	80
PID 212 wrote to memory of 3376	212	35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe	80
PID 212 wrote to memory of 3376	212	35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe	80

C:\Users\Admin\AppData\Local\Temp\35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe
"C:\Users\Admin\AppData\Local\Temp\35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\AppData\Roaming\Skype.exe
  "C:\Users\Admin\AppData\Roaming\Skype.exe"
  2⤵
  - Executes dropped EXE
  PID:3376

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\Roaming\Skype.exe

Filesize
29KB

MD5
51fc62ebbaea37b188705ba73f5a76af

SHA1
021a0cc05bc7ccdb8efb832147881a4e64812e88

SHA256
35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d

SHA512
9839dcb4d5885ca1e152e6b826dffc5cd23491d2aeebc01036473a9bd4ed7839a8372ca886ac8c73dd28563b5f4c10a98a58bc4fedda0f71bf5494ae9f3ab752

Download Submit
C:\Users\Admin\AppData\Roaming\Skype.exe

Filesize
29KB

MD5
51fc62ebbaea37b188705ba73f5a76af

SHA1
021a0cc05bc7ccdb8efb832147881a4e64812e88

SHA256
35a04499338ae3ec8b0df0afc7b1fac5e052302ff0f16a18df9368bfc78f354d

SHA512
9839dcb4d5885ca1e152e6b826dffc5cd23491d2aeebc01036473a9bd4ed7839a8372ca886ac8c73dd28563b5f4c10a98a58bc4fedda0f71bf5494ae9f3ab752

Download Submit
memory/212-132-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/212-137-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/3376-136-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download
memory/3376-138-0x00000000753A0000-0x0000000075951000-memory.dmp

Filesize
5.7MB

Download