MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6. 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 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
SHA3-384 hash: e7376a2590907371a4843c176528c0c17b4cdf508c6793e3a9f9d5560a3924976cfca5d3e38cbc680ef27ef7135f9b98
SHA1 hash: 62292e4f02c609d9184c6a51ad9b023f27e3cbb8
MD5 hash: 29cc671cdbfa5d115583b6e9e038f229
humanhash: sodium-november-king-march
File name:server.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2021-06-22 19:41:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:yqeC+xhUa9urgOB9RNvM4jEwzGi1dD/DBgS:yqoUa9urgONdGi1df+
Threatray 65 similar samples on MalwareBazaar
TLSH DF93D74977E56524E4BF56F75472F2004E34B48B1602E39E49F258EA0B33AC44F89EEB
Reporter James_inthe_box
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Berti.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-22 19:31:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5c54693-0110-4e7a-ba56-d7e54d6b64ef

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/167677/
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:
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/5f294f98-57fc-496c-ac2e-c06944d4fa1b
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/806243
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
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: 438654 Sample: server.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus detection for dropped file 2->90 92 11 other signatures 2->92 12 server.exe 7 2->12         started        15 e0d0fca0f584c337bd3dcc56b1956fa4Windows Update.exe 3 2->15         started        process3 file4 76 C:\Users\user\AppData\...\server.exe.log, ASCII 12->76 dropped 17 server.exe 2 12 12->17         started        process5 file6 70 C:\Umbrella.flv.exe, PE32 17->70 dropped 72 C:\autorun.inf, Microsoft 17->72 dropped 94 Antivirus detection for dropped file 17->94 96 Multi AV Scanner detection for dropped file 17->96 98 Creates autorun.inf (USB autostart) 17->98 100 6 other signatures 17->100 21 svchost.exe 5 17->21         started        24 netsh.exe 3 17->24         started        26 netsh.exe 3 17->26         started        28 netsh.exe 1 3 17->28         started        signatures7 process8 signatures9 102 Antivirus detection for dropped file 21->102 104 Multi AV Scanner detection for dropped file 21->104 106 Machine Learning detection for dropped file 21->106 30 server.exe 8 21->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        process10 process11 38 svchost.exe 30->38         started        41 netsh.exe 3 30->41         started        43 netsh.exe 3 30->43         started        45 netsh.exe 30->45         started        file12 74 C:\Users\user\AppData\Local\Temp\server.exe, PE32 38->74 dropped 47 server.exe 38->47         started        50 conhost.exe 41->50         started        52 conhost.exe 43->52         started        54 conhost.exe 45->54         started        process13 file14 78 C:\Windows\SysWOW64xplower.exe, PE32 47->78 dropped 80 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 47->80 dropped 82 e0d0fca0f584c337bd...4Windows Update.exe, PE32 47->82 dropped 84 C:84otepad.exe, PE32 47->84 dropped 56 netsh.exe 47->56         started        58 netsh.exe 47->58         started        60 netsh.exe 47->60         started        62 svchost.exe 47->62         started        process15 process16 64 conhost.exe 56->64         started        66 conhost.exe 58->66         started        68 conhost.exe 60->68         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-06-22 19:41:29 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogqlviwaovd7mlshsb6m7zcfosuo3ibue4cjeeu4lpjo3eu3wtda._file
Verdict:
suspicious
Similar samples:
09ba1d1497c0886120a435a4990aba55b9ee83c96b294ff66c6fac4295c8b8a1
njrat
2664ca0874468958e3819f05885a3e52ffb392ac416cb5c5618031136aa2b438
njrat
6884ac9f82a44a7702c4807deec1640b66eb71f6c750dd0ca1d5d78632e626b5
njrat
6b0e5c2c2ada15f3690393c85b80e58165a1e4f2d6736c8a76b3995c899c623d
njrat
826727c5898e70f28b190ee6737f95e42064ef1203294cdbd7d1a90d2cd211c5
njrat
84317e17c5f43a8df1141c3936144cdf9d5b17a4191a1e351d9e88fab271118f
njrat
8f76c76eac66f84562b7891ec990673736acd180ba535247430c43c2dd4cb6b3
njrat
a80220c129dabdfc9a8159b120994e4e8a21b8c7a4709b8c6df717401d7b3924
njrat
cb121700c196dd52b183b9ddf49fbce730bfe191fa1beae93ae6a162b33fd203
njrat
cf0193bee22e0b21ca5438819ce434900f25cd1663fbff419b5cbbf3d4a512f9
njrat
+ 55 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner
Link:
https://tria.ge/reports/210622-wsn3hmqpwj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Drops file in System32 directory
Deletes itself
Drops startup file
Loads dropped DLL
Disables Task Manager via registry modification
Executes dropped EXE
Modifies Windows Firewall
xmrig
Unpacked files
SH256 hash:
71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
MD5 hash:
29cc671cdbfa5d115583b6e9e038f229
SHA1 hash:
62292e4f02c609d9184c6a51ad9b023f27e3cbb8
Link:
https://www.unpac.me/results/8d9f9e7a-dc63-41bd-81c8-12033173b688/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
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:pe_imphash
Create hunting rule
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/167677/

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