MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c5952df10f0fdb566f748c18ef3b101825937c75cd26fa716a79298dbb343db. 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: 15


Intelligence 15 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c5952df10f0fdb566f748c18ef3b101825937c75cd26fa716a79298dbb343db
SHA3-384 hash: 832d5f822954f4e6edb00ae1bc55d370d7f455741ced0baee8efebb458a4fcb11dbcbb0705158eca2861ee475a369244
SHA1 hash: 56c23babcc9c3d636b5b57f64d6e0fe445023350
MD5 hash: a477f835005b6a83aa062434237d79d6
humanhash: hydrogen-stream-july-football
File name:a477f835005b6a83aa062434237d79d6.exe
Download: download sample
Signature njrat
Create hunting rule
File size:5'673'984 bytes
First seen:2022-02-06 21:56:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:sk8CkO+WJBDTMDLQkR3mZePvCWr9ECqjg/0TjlJMO9hs3dveAIl0RnvY6hWLkFq/:
Threatray 755 similar samples on MalwareBazaar
TLSH T1074633205F9D5E6DC76C873C90AB4E1E2BB04AD2942CE9E75BD17CC323AE38095179B4
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
185.130.53.166:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.130.53.166:5552 https://threatfox.abuse.ch/ioc/381584/

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a477f835005b6a83aa062434237d79d6.exe
Verdict:
Malicious activity
Analysis date:
2022-02-06 22:00:23 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/a4e76527-795d-484b-aef1-b00329f8257d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/233815/
Detection(s):
Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Creating a file
Creating a process with a hidden window
Creating a window
Running batch commands
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/6178/overview
Behaviour
MalwareBazaar
GetTempPath
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi donut njrat packed rat virus
Link:
https://www.filescan.io/uploads/62004432ad4747e995092dd4/reports/950e56a6-5206-4c1b-aeab-e8470499f7b0/overview
Result
Verdict:
MALICIOUS
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e94ea866-070d-4777-8143-630c1d7f8262
Result
Threat name:
njRat BitCoin Miner SilentXMRMiner Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/934836
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Yara detected Njrat
Yara detected SilentXMRMiner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 567314 Sample: SrVt4JW6B0.exe Startdate: 06/02/2022 Architecture: WINDOWS Score: 100 88 131.153.56.98, 49860, 80 CWIEUS United States 2->88 90 pool.hashvault.pro 2->90 108 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->108 110 Malicious sample detected (through community Yara rule) 2->110 112 Antivirus detection for dropped file 2->112 114 16 other signatures 2->114 11 SrVt4JW6B0.exe 3 2->11         started        14 system64ssl.exe 2->14         started        17 svchost.exe 2->17         started        19 13 other processes 2->19 signatures3 process4 file5 80 C:\Users\user\AppData\Local\Temp\Client.exe, PE32 11->80 dropped 82 C:\Users\user\AppData\Local\Temp\1.exe, PE32+ 11->82 dropped 21 1.exe 4 11->21         started        25 Client.exe 5 8 11->25         started        130 Antivirus detection for dropped file 14->130 132 Multi AV Scanner detection for dropped file 14->132 28 cmd.exe 14->28         started        134 Changes security center settings (notifications, updates, antivirus, firewall) 17->134 30 MpCmdRun.exe 17->30         started        signatures6 process7 dnsIp8 74 C:\Users\user\AppData\...\system64ssl.exe, PE32+ 21->74 dropped 116 Antivirus detection for dropped file 21->116 118 Multi AV Scanner detection for dropped file 21->118 32 cmd.exe 21->32         started        34 cmd.exe 1 21->34         started        37 cmd.exe 21->37         started        92 185.130.53.166, 49752, 49753, 49756 STARGROUP-UA-ASUA Ukraine 25->92 76 C:\...\d6d02598f34f8d49bbf5fcb3dfa91a56.exe, PE32 25->76 dropped 78 C:\Tools.exe, PE32 25->78 dropped 120 Protects its processes via BreakOnTermination flag 25->120 122 Machine Learning detection for dropped file 25->122 124 Creates autostart registry keys with suspicious names 25->124 128 3 other signatures 25->128 39 netsh.exe 25->39         started        126 Encrypted powershell cmdline option found 28->126 41 conhost.exe 28->41         started        43 powershell.exe 28->43         started        45 conhost.exe 30->45         started        file9 signatures10 process11 signatures12 47 system64ssl.exe 32->47         started        51 conhost.exe 32->51         started        104 Encrypted powershell cmdline option found 34->104 106 Uses schtasks.exe or at.exe to add and modify task schedules 34->106 53 powershell.exe 22 34->53         started        55 conhost.exe 34->55         started        57 powershell.exe 34->57         started        59 conhost.exe 37->59         started        61 schtasks.exe 37->61         started        63 conhost.exe 39->63         started        process13 file14 84 C:\Users\user\AppData\...\sihost64.exe, PE32+ 47->84 dropped 86 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 47->86 dropped 94 Writes to foreign memory regions 47->94 96 Allocates memory in foreign processes 47->96 98 Modifies the context of a thread in another process (thread injection) 47->98 100 2 other signatures 47->100 65 cmd.exe 47->65         started        signatures15 process16 signatures17 102 Encrypted powershell cmdline option found 65->102 68 conhost.exe 65->68         started        70 powershell.exe 65->70         started        72 powershell.exe 65->72         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c5952df10f0fdb566f748c18ef3b101825937c75cd26fa716a79298dbb343db/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-02-05 13:29:53 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
31 of 43 (72.09%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=drmvfxyq6d63kzxxjday545ragbfsn6hltjg7jywu6jjrw5tipnq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
13958533a121d7d40e9b6c795e04f28a9bc66c29b713d0af780b66ecda3222b0
njrat
285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4
njrat
2e15758b43bd03a317325eeb94461dd3aa146c9db3e6c31b8e9dda441f1ba4b3
njrat
434c3b5ab0a2b53e04e4cdf6df69ab626919e3f5b9cffde95e178fe975d463b4
njrat
54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c
njrat
ccae475b281127a3280a51906a2ab50248c8b7f75c34e93c5bd62ccc0fded850
njrat
ef9c82bb0f96b6266672941cce875b59d431c7f3af89901a8c23ee813293823d
njrat
f19a67d1bda5510ca74f5a345ce1dfae91949bdfa6cfec36d4df2bc5f6f08a69
njrat
+ 745 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:njrat family:xmrig botnet:white_admin evasion miner persistence suricata trojan
Link:
https://tria.ge/reports/220206-1txg2accek/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
XMRig Miner Payload
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
xmrig
Malware Config
C2 Extraction:
185.130.53.166:5552
Unpacked files
SH256 hash:
1c5952df10f0fdb566f748c18ef3b101825937c75cd26fa716a79298dbb343db
MD5 hash:
a477f835005b6a83aa062434237d79d6
SHA1 hash:
56c23babcc9c3d636b5b57f64d6e0fe445023350
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/a288d411-4d45-4559-854b-6777a55ff02b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1c5952df10f0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/233815/

Comments