MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
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SHA256 hash: d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8
SHA3-384 hash: 8ac2b63fe72d2469e4bc296e23c310a96d16155a46e13767d358c25eed1b9cc75ead26be3e028a6beb5f1278186dfe0e
SHA1 hash: 72c70ecb7e62e116b876c21dc37ef018239e97e5
MD5 hash: 32c47ecaa256f8fa0d830e7624bed63e
humanhash: hamper-rugby-butter-quebec
File name:d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8
Download: download sample
Signature njrat
Create hunting rule
File size:734'208 bytes
First seen:2021-09-24 06:10:42 UTC
Last seen:2021-09-24 07:15:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:IaOU8eXvfmfGMuF0ePWmP2vXP9tvVn4sFcn9kPWmfEnWv/0v2P+FHePsVO9Pc3sF:IaOB
Threatray 176 similar samples on MalwareBazaar
TLSH T1BCF470300DD508BCA6BBD77601D2268315EFB2D66F138ACD449173FB1B666D01932AEE
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/190998/
Detection(s):
SecuriteInfo.com.Artemis32C47ECAA256.1190.28477.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c954291c-f01a-4f4e-b5ba-b3fa7de9320a
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/857199
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates autostart registry keys with suspicious names
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489630 Sample: L5b3Chi81W Startdate: 24/09/2021 Architecture: WINDOWS Score: 92 30 mouhamedjinn2.ddns.net 2->30 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 .NET source code contains potential unpacker 2->38 40 Uses dynamic DNS services 2->40 9 L5b3Chi81W.exe 1 3 2->9         started        12 Chrome.exe 1 2->12         started        14 Chrome.exe 2->14         started        16 Chrome.exe 2->16         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\Chrome.exe, PE32 9->26 dropped 28 C:\Users\user\AppData\...\L5b3Chi81W.exe.log, ASCII 9->28 dropped 18 Chrome.exe 4 2 9->18         started        process6 dnsIp7 32 mouhamedjinn2.ddns.net 105.105.180.41, 1177 ALGTEL-ASDZ Algeria 18->32 42 Antivirus detection for dropped file 18->42 44 Multi AV Scanner detection for dropped file 18->44 46 Creates autostart registry keys with suspicious names 18->46 48 2 other signatures 18->48 22 netsh.exe 1 3 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-09-23 06:34:54 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=25hih3k2winvy7iktagvhrbu7r2yn4hztvlgwr4us3jmoi7xt3ua._file
Verdict:
unknown
Similar samples:
048cc9b5192aaf602f1c1cb21caf8b5c8e96b8f51f32ff010dbc7e669d5f856d
njrat
0e49ced6331da16deb263cc7cbfdc8a6a3433a71f5c67cb64c7980a18faec884
njrat
4500ccf59d93041b081e3ba5e60be483ab84f9e08f1f00045f6c6a0138e8b787
njrat
544c4cb23628837e74f41ee8a4d738c21ea59c72e83e97b8a39f2cbbfff110c0
njrat
6259ecedb1761b7412454f7dbc6ac1571701e276c49213e8a9b8fe70e03c546d
njrat
c1911013a12f40b0a1f344eec88f2fba5a5f505335feec6c0a54a6e23cb66564
njrat
ce1608cdb307cecf3b38f233b388214717da84bf2a04caf67ab656aeedf5e871
njrat
d6b1f8c5ddef7568c1985b99db389b4671d6cf3a4004866d93620553da133992
njrat
dc8a2332c245f1019a3c08c53f649f0bf1ea42fad18c90fea68ac4aa1eb387aa
njrat
e929f1289f145ca3b34a7970ad5ee02c90851d95ae3142ee0e09a76a4ac7d234
njrat
+ 166 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210924-gxpf2sgack/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
ee31efe392aa6ea36a39de6e9ab7be1c4fed389791fd8f4afd8772ca9e0f870f
MD5 hash:
40a933d06593dff16a18a27210dd3e9d
SHA1 hash:
f79424dc6907e24d445361c307478b0f9f8d5223
Link:
https://www.unpac.me/results/628f3386-b7cd-4728-9399-e6d8e0823560/
SH256 hash:
d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8
MD5 hash:
32c47ecaa256f8fa0d830e7624bed63e
SHA1 hash:
72c70ecb7e62e116b876c21dc37ef018239e97e5
Link:
https://www.unpac.me/results/628f3386-b7cd-4728-9399-e6d8e0823560/
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/d74e83ed5ab21b5c7d0a980d53c434fc7586f0f99d566b479496d2c723f79ee8

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:INDICATOR_SUSPICIOUS_EXE_PE_ResourceTuner
Create hunting rule
Author:ditekSHen
Description:Detects executables with modified PE resources using the unpaid version of Resource Tuner
Rule name:pe_imphash
Create hunting rule
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/190998/

Comments