MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f566dfebf709acbcd83164e334fb70056419a1c75c03ff843804896a6fb8eb9a. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f566dfebf709acbcd83164e334fb70056419a1c75c03ff843804896a6fb8eb9a
SHA3-384 hash: 882b8cb5a65c9275eba4c59e63d446345fd19e884d279e717ddc4c8d3ea9a7641a3f4b1928ce8601aca58ea789fb8a41
SHA1 hash: 8eba02a8b80c63d0a81c93d5ed8687d49827fe32
MD5 hash: b34a9aa430da2da9a4b4049de54ac775
humanhash: floor-steak-enemy-lima
File name:b34a9aa430da2da9a4b4049de54ac775.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2022-01-30 06:46:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:kd/r7EkrjaFIs7E5Ox8Jn8LjEwzGi1dDEDKgS:kd7jau5OKVni1dSP
Threatray 94 similar samples on MalwareBazaar
TLSH T1D493C64977E56564E0BF56F79871F2004E34B44B1602E39E48F259AA0B33AC44F89FEA
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
54.38.136.57:50045

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
54.38.136.57:50045 https://threatfox.abuse.ch/ioc/366526/

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
playit-win_64-0.4.7.rar
Verdict:
Malicious activity
Analysis date:
2022-01-27 00:44:29 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/9b57ebd4-18f8-4c40-881e-8c0f7119669d

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/225850/
Detection(s):
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

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe control.exe explorer.exe fingerprint fingerprint greyware keylogger msconfig.exe netsh.exe njrat obfuscated packed rat replace.exe rundll32.exe schtasks.exe stealer update.exe winnti
Link:
https://www.filescan.io/uploads/61f63474f01ae00db3df2a3a/reports/15ca41aa-a4f5-48e9-89b2-9ea15d894b53/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/2471872f-974e-4425-a2d4-ccca02a5cb90
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/930304
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 562782 Sample: DYlm8XhnzP.exe Startdate: 30/01/2022 Architecture: WINDOWS Score: 100 41 saw4.playit.gg 2->41 43 mean-territory.auto.playit.gg 2->43 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 10 other signatures 2->63 9 DYlm8XhnzP.exe 7 2->9         started        12 Microsoft Corporation.exe 3 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...\DYlm8XhnzP.exe.log, ASCII 9->33 dropped 14 server.exe 1 7 9->14         started        process6 dnsIp7 45 saw4.playit.gg 54.38.136.57, 49768, 49771, 49772 OVHFR France 14->45 47 mean-territory.auto.playit.gg 14->47 35 C:\Users\user\...\Microsoft Corporation.exe, PE32 14->35 dropped 37 36c3323ca67aafb4bc...cWindows Update.exe, PE32 14->37 dropped 39 C:39otepad.exe, PE32 14->39 dropped 49 Antivirus detection for dropped file 14->49 51 Multi AV Scanner detection for dropped file 14->51 53 Machine Learning detection for dropped file 14->53 55 3 other signatures 14->55 19 netsh.exe 1 3 14->19         started        21 netsh.exe 3 14->21         started        23 netsh.exe 3 14->23         started        file8 signatures9 process10 process11 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        29 conhost.exe 23->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f566dfebf709acbcd83164e334fb70056419a1c75c03ff843804896a6fb8eb9a/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-01-28 04:44:00 UTC
File Type:
PE (.Net Exe)
AV detection:
35 of 43 (81.40%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
01a7fccd0aa64adcaa13e7109f8c969cabefcba820efaafbd75c6cd28490fe64
njrat
376c8edbafb727e3c48081ac3c6751dd6b73e73462c2a26794b37cd44be4344d
njrat
71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
njrat
87b9a82fa05019692e89dc944a4fe1ab669d1c844abfd509c7e3648a024d4a73
njrat
b0e4ffe4f149f9b6435fec757518ae2ba99293d416a28a3aebda4e877c2013e0
njrat
bbee2132c158e1f3ca52fecfc2e0f3af061336e7dce9ad7a529191bf9d92491e
njrat
+ 84 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:xdds evasion trojan
Link:
https://tria.ge/reports/220130-hj7wxahcd5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
bWVhbi10ZXJyaXRvcnkuYXV0by5wbGF5aXQuZ2cStrik:NTAwNDU=
Unpacked files
SH256 hash:
f566dfebf709acbcd83164e334fb70056419a1c75c03ff843804896a6fb8eb9a
MD5 hash:
b34a9aa430da2da9a4b4049de54ac775
SHA1 hash:
8eba02a8b80c63d0a81c93d5ed8687d49827fe32
Link:
https://www.unpac.me/results/7ab958fe-33f6-4a9f-9160-0984f06d0021/
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/f566dfebf709acbcd83164e334fb70056419a1c75c03ff843804896a6fb8eb9a

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:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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:MAL_Winnti_Sample_May18_1_RID3003
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:pe_imphash
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/225850/

Comments