MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78. 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 5 YARA 2 File information Comments
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SHA256 hash: cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78
SHA3-384 hash: 62de9cf9b3921fc80cca6dab556b708b2dea191896db1afa3cf5e5546dce04f332028346c1f28b66cc03b517a347f684
SHA1 hash: 9f534f6e6544884403ce5a7662c42317ccb8c477
MD5 hash: c1ba1ef0798aaaca543ce2913195f433
humanhash: florida-four-shade-crazy
File name:c1ba1ef0798aaaca543ce2913195f433.exe
Download: download sample
Signature njrat
Create hunting rule
File size:13'643'264 bytes
First seen:2022-03-18 21:36:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:zFUuNC1z5j0P61/QIbq04W7y/QmODyUcvCBniWiASPtEnRQJqID8RMT166w:zFUN1z9YBIbGg9nIPWKJqID82h66w
Threatray 136 similar samples on MalwareBazaar
TLSH T10FD651DFC7A9B70B235068498200D25B693B4E5EF79EA23BF46D27D93502235CCD4CA9
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.138.45.170:13738

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.138.45.170:13738 https://threatfox.abuse.ch/ioc/412669/
52.14.18.129:13738 https://threatfox.abuse.ch/ioc/412670/
3.128.107.74:13738 https://threatfox.abuse.ch/ioc/412672/
3.22.53.161:13738 https://threatfox.abuse.ch/ioc/412673/
3.131.207.170:13738 https://threatfox.abuse.ch/ioc/412674/

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.MulDrop3.3703.8925.25974.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Creating a file in the %AppData% directory
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Enabling the 'hidden' option for recently created files
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6234fb45dfdfa8501cb7ac0d/reports/911caff0-aeaa-4961-bd49-318e25381061/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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec443e1b-6cf0-4696-a985-8357960feafe
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/959893
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
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Detected unpacking (overwrites its own PE header)
Disables the Windows task manager (taskmgr)
Drops PE files to the startup folder
Drops PE files with benign system names
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops fake system file at system root drive
Sigma detected: File Created with System Process Name
Sigma detected: Suspcious CLR Logs Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 592374 Sample: 9KirFYpGrq.exe Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 62 2.tcp.ngrok.io 2->62 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 15 other signatures 2->78 10 9KirFYpGrq.exe 8 2->10         started        14 svchost.exe 2->14         started        16 svchost.exe 3 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 48 C:\Users\user\AppData\...\tmpAA50.tmp.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\...\9KirFYpGrq.exe.log, ASCII 10->50 dropped 86 Detected unpacking (overwrites its own PE header) 10->86 21 tmpAA50.tmp.exe 7 10->21         started        88 Changes security center settings (notifications, updates, antivirus, firewall) 14->88 25 MpCmdRun.exe 1 14->25         started        52 C:\Users\user\AppData\...\svchost.exe.log, ASCII 16->52 dropped 64 127.0.0.1 unknown unknown 18->64 file6 signatures7 process8 file9 46 C:\Users\user\AppData\Local\Temp\server.exe, PE32 21->46 dropped 80 Antivirus detection for dropped file 21->80 82 Multi AV Scanner detection for dropped file 21->82 84 Machine Learning detection for dropped file 21->84 27 server.exe 2 14 21->27         started        32 conhost.exe 25->32         started        signatures10 process11 dnsIp12 66 13.59.15.185, 13738, 49772, 49783 AMAZON-02US United States 27->66 68 2.tcp.ngrok.io 3.128.107.74, 13738, 49763, 49769 AMAZON-02US United States 27->68 70 3 other IPs or domains 27->70 54 C:\svchost.exe, PE32 27->54 dropped 56 C:\svchost, PE32 27->56 dropped 58 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 27->58 dropped 60 3 other malicious files 27->60 dropped 90 Antivirus detection for dropped file 27->90 92 Multi AV Scanner detection for dropped file 27->92 94 Creates autorun.inf (USB autostart) 27->94 96 6 other signatures 27->96 34 netsh.exe 1 3 27->34         started        36 netsh.exe 3 27->36         started        38 netsh.exe 3 27->38         started        file13 signatures14 process15 process16 40 conhost.exe 34->40         started        42 conhost.exe 36->42         started        44 conhost.exe 38->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78/
Threat name:
ByteCode-MSIL.Trojan.Zeus
Create hunting rule
Status:
Malicious
First seen:
2022-03-15 08:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 42 (73.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zowp5gcmx2vrfustgxgk3pl2l3f3fmkisnl4ythkbcoeisg57j4a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
1e55c31399aacc9290f92d5f269897a82c8674c3a5f2cdd67068cf54b4179269
njrat
376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d
njrat
420c7c5b6300259b7788d4612fd1bd20550e88c694cbabf2b9ff16c4e153d741
njrat
495135344619bad53ac992d52fb75b420130b856b65ceabad2748a4236bbd322
njrat
6000cb4765d6219aeea0210a1ecec6af293e3ee6e330f560e30c043987f5aeb7
njrat
71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
njrat
87ac8c78f79072416a0d38c7509602d28e367e990f31cbfaa667b59292391c99
njrat
+ 126 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:kurban evasion suricata trojan
Link:
https://tria.ge/reports/220318-1fxwmsfdgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Drops startup file
Loads dropped DLL
Disables Task Manager via registry modification
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
FRANSESCOi50Y3Aubmdyb2suaW8Strik:MTM3Mzg=
Unpacked files
SH256 hash:
df102130b4fb58d3ce702da7f37ef79e0a9d6e002fd22e0267958c22396569fe
MD5 hash:
cd117d609be863cab197832fded71afd
SHA1 hash:
142712d1d770dfe42dad68c75a12ca1f3aa045b7
Link:
https://www.unpac.me/results/dd9f6abf-2759-4576-9610-f0e4ec47ae8d/
SH256 hash:
cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78
MD5 hash:
c1ba1ef0798aaaca543ce2913195f433
SHA1 hash:
9f534f6e6544884403ce5a7662c42317ccb8c477
Link:
https://www.unpac.me/results/dd9f6abf-2759-4576-9610-f0e4ec47ae8d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cbacfe984cbeab12d25335ccadbd7a5ecbb2b1489357cc4cea089c4448ddfa78

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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