MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


njrat


Vendor detections: 11


Intelligence 11 IOCs 3 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
SHA3-384 hash: 25201a85a3704fcb07a778ba8bc82f8240b00942f0a2a116a0b39bd7bb65854e22e956417c227d3ce32179613524a14d
SHA1 hash: 47526e397ec70a77cb5f5b920e5b1cc4a84f7595
MD5 hash: 77cf05f296b4969aa19d17114d1814e7
humanhash: kentucky-potato-september-salami
File name:77cf05f296b4969aa19d17114d1814e7.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'619'832 bytes
First seen:2022-03-09 18:11:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:WeSg4AV+vq4F+Q5Rl0+0DGw1f6oQcyt7FsL:WZGV+vq4MQWvBehRC
TLSH T17B752342BDC5C5B3D82109355A39EB51A93E7D301F108EEBE3E5A92E9A350C17738A73
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.131.207.170:10254

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.131.207.170:10254 https://threatfox.abuse.ch/ioc/393316/
52.14.18.129:10254 https://threatfox.abuse.ch/ioc/393317/
3.22.53.161:10254 https://threatfox.abuse.ch/ioc/393318/

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/248837/
Detection(s):
Win.Packed.Rasftuby-9869305-0
Create hunting rule

SecuriteInfo.com.BackDoor.SiggenNET.5.27436.8753.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process from a recently created file
Searching for analyzing tools
Enabling the 'hidden' option for files in the %temp% directory
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
DNS request
Using the Windows Management Instrumentation requests
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/8791/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi greyware overlay packed setupapi.dll shdocvw.dll shell32.dll update.exe
Link:
https://www.filescan.io/uploads/6228edf90cd58dbd927066f0/reports/f58a148d-d216-4529-b04b-19d50131fe51/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/267f9d16-aa8a-403e-bde8-88b8d831e44b
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/953534
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
Sigma detected: File Created with System Process Name
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade analysis by execution special instruction which cause usermode exception
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 586011 Sample: A6wtY2Rh7N.exe Startdate: 09/03/2022 Architecture: WINDOWS Score: 100 55 2.tcp.ngrok.io 2->55 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 13 other signatures 2->69 12 A6wtY2Rh7N.exe 13 2->12         started        15 driverpack3.exe 3 2->15         started        18 driverpack3.exe 2->18         started        20 driverpack3.exe 2->20         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\Server.sfx.exe, PE32 12->51 dropped 22 cmd.exe 1 12->22         started        81 Hides threads from debuggers 15->81 signatures6 process7 process8 24 Server.sfx.exe 9 22->24         started        28 conhost.exe 22->28         started        file9 49 C:\Users\user\AppData\Local\...\Server.exe, PE32 24->49 dropped 79 Multi AV Scanner detection for dropped file 24->79 30 Server.exe 1 5 24->30         started        signatures10 process11 file12 53 C:\Users\user\AppData\...\driverpack3.exe, PE32 30->53 dropped 83 Antivirus detection for dropped file 30->83 85 Multi AV Scanner detection for dropped file 30->85 87 Detected unpacking (changes PE section rights) 30->87 89 4 other signatures 30->89 34 driverpack3.exe 2 9 30->34         started        signatures13 process14 dnsIp15 57 13.59.15.185, 10254, 49833, 49870 AMAZON-02US United States 34->57 59 2.tcp.ngrok.io 3.128.107.74, 10254, 49786, 49793 AMAZON-02US United States 34->59 61 5 other IPs or domains 34->61 43 C:\svchost.exe, PE32 34->43 dropped 45 C:\...\1bb385e70bc0bd67b4dbded90e61e35e.exe, PE32 34->45 dropped 47 C:\autorun.inf, Microsoft 34->47 dropped 71 Antivirus detection for dropped file 34->71 73 Multi AV Scanner detection for dropped file 34->73 75 Detected unpacking (changes PE section rights) 34->75 77 12 other signatures 34->77 39 netsh.exe 1 3 34->39         started        file16 signatures17 process18 process19 41 conhost.exe 39->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 02:24:00 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kn3xkrwcrs4jcjjfx4xt6dt2nhrj6ylvlobmxot5diga3hcweu3a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/220309-ws7jdsbdc7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
b4401786ef72c3baf0f60c69e620839a1967cb79d398aae5ec9f5eb84fa46705
MD5 hash:
77dba4801ebc93b96b8166858fcbb288
SHA1 hash:
4ee4eaabd947ad1bf69e59bb110b648c1afa1834
Link:
https://www.unpac.me/results/dc1a27df-22bd-4fd9-af29-28d88354e58b/
SH256 hash:
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
MD5 hash:
77cf05f296b4969aa19d17114d1814e7
SHA1 hash:
47526e397ec70a77cb5f5b920e5b1cc4a84f7595
Link:
https://www.unpac.me/results/dc1a27df-22bd-4fd9-af29-28d88354e58b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/248837/

Comments