MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203. 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: 10


Intelligence 10 IOCs 6 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203
SHA3-384 hash: f79bfe47eb99ae863090f9b71272eddce3bece055e53d9c06052cb7e1dc2434fda77c024ec88e89e566a034957f3e6ef
SHA1 hash: 4efc95b64e5c5138c6bc0efae97dbc2e2e7c0938
MD5 hash: b58d5ce4532a4e33a261778d4c3ba976
humanhash: black-iowa-butter-fanta
File name:b58d5ce4532a4e33a261778d4c3ba976.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2021-04-07 09:50:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:mY3MUgSgmnldjcRoMwrx7Y+DIkIITJbXX0pOtzux82WXxrjEtCdnl2pi1Rz4Rk3b:GUumlbrq+1NTZrOojEwzGi1dDWD2gS
Threatray 56 similar samples on MalwareBazaar
TLSH 8A93E84977E52524E1BF5AF39471F2004E38B4871602E79D48F259AA1B33AC44F89FEB
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.136.65.236:15883

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.136.65.236:15883 https://threatfox.abuse.ch/ioc/7130/
3.129.187.220:15883 https://threatfox.abuse.ch/ioc/7131/
3.22.15.135:15883 https://threatfox.abuse.ch/ioc/7132/
3.131.147.49:15883 https://threatfox.abuse.ch/ioc/7133/
3.138.180.119:15883 https://threatfox.abuse.ch/ioc/7134/
3.133.207.110:15883 https://threatfox.abuse.ch/ioc/7135/

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b58d5ce4532a4e33a261778d4c3ba976.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 09:52:43 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/8b2e5bd1-6eb6-4643-bc43-b44333629b2e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/132807/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Generic-6417450-0
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/e40331e3-9e47-4cdc-8188-ebbb6408457d
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/668501
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to spread to USB devices (.Net source)
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 submitted file
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-03-31 15:09:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmjboagbs3ovfmmdxho7jh5444yl7ymr7in6v2j242qwfmz72ibq._file
Verdict:
malicious
Similar samples:
09ba1d1497c0886120a435a4990aba55b9ee83c96b294ff66c6fac4295c8b8a1
njrat
0ab3b273902918a617fca743185cdcae29f33be32324e761033038ce9d9ead60
njrat
2664ca0874468958e3819f05885a3e52ffb392ac416cb5c5618031136aa2b438
njrat
6b0e5c2c2ada15f3690393c85b80e58165a1e4f2d6736c8a76b3995c899c623d
njrat
6cb270f46cef2502dee625423fc67302f6e2b106c7a3a1ebd4bb2c3bde377cd8
njrat
a80220c129dabdfc9a8159b120994e4e8a21b8c7a4709b8c6df717401d7b3924
njrat
bc4660dc237469fbc12b99b5d83f007b4ea49932046adecc5cbb64a4dc2f10ec
njrat
d92f632b039d42bfe46c284f35b8ce4f898576d840fd366becc1d9bcd4ed6a3a
njrat
da6c80f3587eca257bc53fd268a9c8878346166bac8b9e55fd247de1cdae51b3
njrat
f2c643a00b2e8f07b279ddd7e3230799f41c43278d654e1f9ec9ef7c05ab2547
njrat
+ 46 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210407-gfb9vevfm6/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
Unpacked files
SH256 hash:
cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203
MD5 hash:
b58d5ce4532a4e33a261778d4c3ba976
SHA1 hash:
4efc95b64e5c5138c6bc0efae97dbc2e2e7c0938
Link:
https://www.unpac.me/results/943e2b69-6c89-4a00-86f1-eff7a1020743/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203

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:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

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/132807/

Comments