MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7b5dd67a462b9994b0596e8b4aef43ae616077aa900315b0a565e58bc6347aa. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7b5dd67a462b9994b0596e8b4aef43ae616077aa900315b0a565e58bc6347aa
SHA3-384 hash: 77b1ef3f6d775b92255e9d7475052fb25068813b2db08164118e6aa13f9f2716b7173da0a4a753eac0687371a2f0b27d
SHA1 hash: e72c6b56783e5c7b31c0c718b8bde591f1a1588e
MD5 hash: 1ddf5bc8b999caccac333762d1710237
humanhash: cup-two-foxtrot-item
File name:1ddf5bc8b999caccac333762d1710237.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2022-05-10 18:37:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 384:6c6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZ8lJ:6e9EJLN/yRpcnul
Threatray 16 similar samples on MalwareBazaar
TLSH T1E3B2190E3FB98856C5BC177486A5965003B491470423EE2FCCC564CBAFB3BD92D48AF9
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.255.144.172:5553

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
141.255.144.172:5553 https://threatfox.abuse.ch/ioc/549371/

Intelligence

File Origin
# of uploads :
1
# of downloads :
373
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
1ddf5bc8b999caccac333762d1710237.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 19:00:13 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/e4fdbb15-bbdd-4bee-a81e-a71db59fc079

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/269522/
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.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

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

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe
Link:
https://www.filescan.io/uploads/627ab0da4b517e213c29668b/reports/92654aee-6516-4b97-8178-b13dd6c1ca82/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:
Malicious
Link:
https://analyze.intezer.com/analyses/16f47617-f4c4-44ee-9a35-5eef1113b340
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991310
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623810 Sample: 14z1d0aPh5.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 12 other signatures 2->40 8 14z1d0aPh5.exe 1 5 2->8         started        11 System.exe 3 2->11         started        13 System.exe 2 2->13         started        15 System.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\Roaming\System.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...\14z1d0aPh5.exe.log, ASCII 8->30 dropped 17 System.exe 5 5 8->17         started        process5 dnsIp6 32 system123.linkpc.net 141.255.144.172, 49760, 49765, 5553 IELOIELOMainNetworkFR France 17->32 26 C:\...\686d46f946c34738c87593492dbaffe2.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Protects its processes via BreakOnTermination flag 17->46 48 5 other signatures 17->48 22 netsh.exe 1 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c7b5dd67a462b9994b0596e8b4aef43ae616077aa900315b0a565e58bc6347aa/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-05-08 06:03:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
39 of 41 (95.12%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6252z5emk4zssyfs3uljlxuhltbmb32veadcwykkzpfrpddi6va._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
075ec6ffbc5779e54c73a41b478b0bd6534f6cd5db435b8226d76c50012b267f
njrat
131bc80decadc83b3eabb56fb0f69a715d12bd72a6ef321d0c6ac61db244d62f
njrat
1857c7aef05e1ea2d590a42c55fe60f910b6a7473b7f4443d03d3f46759121bd
njrat
273ad5a2b3f62bd80b72a345fc153d30f3852301ed8d60ad40584086d7ee7735
njrat
49fbf9884299fbc6b09e640449fdc834f82a752908d381a68e2057a9861e3618
njrat
722c230238d0f92f038abcd5c63f1c36664241df74c20eb008c9bf47fcb01ac9
njrat
93015eaddcf1cfed7c9e455cecebc51e85a5de3035282bafbfdd2b0979e46021
njrat
a3fa04d27872b1fea175ee7ca2665ee3b8384db4b6a93f8015cc47e6dddf757d
njrat
+ 6 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:valorant evasion persistence suricata trojan
Link:
https://tria.ge/reports/220510-w913yafdb7/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Remote Desktop)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Get Passwords)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback Response (Remote Desktop)
Malware Config
C2 Extraction:
system123.linkpc.net:5553
Unpacked files
SH256 hash:
c7b5dd67a462b9994b0596e8b4aef43ae616077aa900315b0a565e58bc6347aa
MD5 hash:
1ddf5bc8b999caccac333762d1710237
SHA1 hash:
e72c6b56783e5c7b31c0c718b8bde591f1a1588e
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/05b7fa26-2689-45a6-b8c3-61fad5ac7145/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/c7b5dd67a462b9994b0596e8b4aef43ae616077aa900315b0a565e58bc6347aa

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
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:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
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/269522/

Comments