MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1. 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 2 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1
SHA3-384 hash: ce701afe2206266584e6cf0f806fa78cdf40468ab052d35d8f1ef98ea623c46253d7524a6cb58275d5c7a7f9ce61cf4a
SHA1 hash: 89a322895f1660caf7b3fc5ad0efda103af4012e
MD5 hash: 5bced19ca35e50f7a60ca7203dce094e
humanhash: equal-zulu-october-jig
File name:5bced19ca35e50f7a60ca7203dce094e.exe
Download: download sample
Signature njrat
Create hunting rule
File size:60'416 bytes
First seen:2022-06-14 03:41:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:kc1hObCRQSrKSRF1p8q8CAAUwSBoAxlonppzjRmc6bFe1vfAlCRLLeKkHizsOruV:b1hvQsKc6WUvxlonpp3RAbFGggpLkPo
Threatray 1 similar samples on MalwareBazaar
TLSH T18D43E9457BE6AD2AC9DCF3B9B842924509308B03BB415AC15CF464BD4A573CB770CEAB
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.132.159.158:15544

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.132.159.158:15544 https://threatfox.abuse.ch/ioc/699383/
3.140.223.7:15544 https://threatfox.abuse.ch/ioc/699384/

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
5bced19ca35e50f7a60ca7203dce094e.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 03:43:43 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/c37116a3-e1d2-44a4-bda2-7de63e152923

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/279572/
Detection(s):
SecuriteInfo.com.Variant.Adware.BrowseFox.62.UNOFFICIAL
Create hunting rule

Win.Packed.Msilperseus-9220094-0
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 file
Launching a process
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi greyware keylogger njrat obfuscated packed rat
Link:
https://www.filescan.io/uploads/62a8038b5aca718dcaf40d5c/reports/76bc79a7-e8c7-4d62-8c48-b5a0b90a117a/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/1cbe626c-35e6-4b13-9ed5-ea74c0111a33
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012529
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645025 Sample: EwZptkNLME.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 36 6.tcp.ngrok.io 2->36 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 9 EwZptkNLME.exe 1 7 2->9         started        12 Server.exe 3 2->12         started        15 Java Update.exe 3 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\dllhost.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\...wZptkNLME.exe.log, ASCII 9->34 dropped 19 dllhost.exe 3 6 9->19         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 signatures6 process7 dnsIp8 38 18.189.106.45, 15544, 49748, 49777 AMAZON-02US United States 19->38 40 3.132.159.158, 15544, 49750, 49767 AMAZON-02US United States 19->40 42 4 other IPs or domains 19->42 28 C:\Users\user\AppData\...\Java Update.exe, PE32 19->28 dropped 30 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 19->30 dropped 52 Antivirus detection for dropped file 19->52 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 4 other signatures 19->58 24 schtasks.exe 1 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-06-09 14:41:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xe4qgppyrlnvp424ftovn66azq6wgbq5bsj7hchviyhcaklcbwyq._file
Verdict:
malicious
Similar samples:
2c48e6302c464d274f9f96c400ee5dda039369057d64c89e4ea46c14b1c7390b
njrat
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence suricata
Link:
https://tria.ge/reports/220614-d9b5psbghr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1
MD5 hash:
5bced19ca35e50f7a60ca7203dce094e
SHA1 hash:
89a322895f1660caf7b3fc5ad0efda103af4012e
Link:
https://www.unpac.me/results/c57309d8-45b0-426a-a253-273b45fb25bf/
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/b939033df88adb57f35c2cdd56fbc0cc3d63061d0c93f388f5460e2029620db1

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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/279572/

Comments