MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d. 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: 12


Intelligence 12 IOCs 3 YARA 10 File information Comments

SHA256 hash: 376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d
SHA3-384 hash: 0807e50e15ad046d15d30b752db93a95a9a6f49ece8f90d7bc05703ab97868445f220a0017d0d14635bf523da032a6c2
SHA1 hash: b524af77112c726613fac681ba93d174e5c31932
MD5 hash: 9f9dbbcabdc0f57b9b0d2f81410f5b5f
humanhash: spring-sad-pennsylvania-happy
File name:376C8EDBAFB727E3C48081AC3C6751DD6B73E73462C2A.exe
Download: download sample
Signature njrat
File size:95'232 bytes
First seen:2021-11-10 03:36:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 768:wY3z+JhWXxyFcxovUKUJuROprXtgN8eYhYbmXxrjEtCdnl2pi1Rz4Rk3ssGdpCgM:r+3WhIUKcuOJXPhBjEwzGi1dDEDCgS
Threatray 82 similar samples on MalwareBazaar
TLSH T10593E74977E56524E1BF56F79871F2004F74B48B1612E39D48F218AA0A33AC44F89FEB
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.13.191.225:12161

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.13.191.225:12161 https://threatfox.abuse.ch/ioc/246327/
3.134.39.220:12161 https://threatfox.abuse.ch/ioc/246328/
3.22.30.40:12161 https://threatfox.abuse.ch/ioc/246329/

Intelligence


File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi fingerprint fingerprint greyware keylogger njrat obfuscated packed rat stealer winnti
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
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)
Drops PE files to the document folder of the user
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 518914 Sample: 376C8EDBAFB727E3C48081AC3C6... Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 43 0.tcp.ngrok.io 2->43 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 9 376C8EDBAFB727E3C48081AC3C6751DD6B73E73462C2A.exe 7 2->9         started        12 Explower.exe 3 2->12         started        14 Microsoft Corporation.exe 3 2->14         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->33 dropped 35 376C8EDBAFB727E3C4...73E73462C2A.exe.log, ASCII 9->35 dropped 16 server.exe 1 17 9->16         started        process6 dnsIp7 37 3.13.191.225, 12161, 49758, 49759 AMAZON-02US United States 16->37 39 3.134.125.175, 12161, 49763, 49772 AMAZON-02US United States 16->39 41 4 other IPs or domains 16->41 25 C:\Users\user\Documentsxplower.exe, PE32 16->25 dropped 27 C:\Users\user\...\Microsoft Corporation.exe, PE32 16->27 dropped 29 C:\Users\user\AppData\...xplower.exe, PE32 16->29 dropped 31 10 other files (4 malicious) 16->31 dropped 45 Antivirus detection for dropped file 16->45 47 Drops PE files to the document folder of the user 16->47 49 Machine Learning detection for dropped file 16->49 51 3 other signatures 16->51 21 netsh.exe 1 3 16->21         started        file8 signatures9 process10 process11 23 conhost.exe 21->23         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-11-06 02:13:00 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat family:xmrig botnet:hacked evasion miner trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
xmrig
Malware Config
C2 Extraction:
FRANSESCOC50Y3Aubmdyb2suaW8Strik:MTIxNjE=
Unpacked files
SH256 hash:
376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d
MD5 hash:
9f9dbbcabdc0f57b9b0d2f81410f5b5f
SHA1 hash:
b524af77112c726613fac681ba93d174e5c31932
Malware family:
Winnti Group
Verdict:
Malicious
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:CN_disclosed_20180208_c
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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments