MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c
SHA3-384 hash: 118b717a0372fc0323f86da330a6c3d880401c6f774260ad06497e8cf0221cc09df6170260201747664435e218e8be17
SHA1 hash: 92636083ebb90c980540f549712d2278b0681ea7
MD5 hash: 09d302577d1a707b343d7f3b9836151f
humanhash: salami-tennis-neptune-black
File name:be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c
Download: download sample
Signature njrat
Create hunting rule
File size:716'288 bytes
First seen:2021-02-28 07:21:11 UTC
Last seen:2021-02-28 08:59:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:VYn82STMGfaJR03qZ+p6y+KQCj4dVb7e5SDFw1lX2h9+dezeSeeMl2+7F:m8ff803XgyB9IIPXu8pE+7F
Threatray 173 similar samples on MalwareBazaar
TLSH 31E41206778F4725C068557485DF263403F8BBD76273EA49BE9C27C84D82393AFA6E84
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
413
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:37:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/afb3cf96-cc25-420c-9b94-dedaf74e73bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/119912/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.13864.20558.15288.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Launching a process
Creating a window
Creating a process from a recently created file
Creating a process with a hidden window
DNS request
Connecting to a non-recommended domain
Connection attempt
Enabling autorun by creating a file
Unauthorized injection to a system process
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:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620927
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359456 Sample: i04oQi5cc4 Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 40 winddns.zapto.org 2->40 44 Multi AV Scanner detection for domain / URL 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 8 other signatures 2->50 9 i04oQi5cc4.exe 3 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\...\vvvvv.vbs, ASCII 9->34 dropped 36 C:\Users\user\AppData\...\i04oQi5cc4.exe.log, ASCII 9->36 dropped 38 C:\Users\Public\nod.ps1, UTF-8 9->38 dropped 56 Drops VBS files to the startup folder 9->56 15 wscript.exe 1 9->15         started        58 Wscript starts Powershell (via cmd or directly) 13->58 18 powershell.exe 20 13->18         started        signatures6 process7 signatures8 60 Wscript starts Powershell (via cmd or directly) 15->60 20 powershell.exe 24 15->20         started        62 Writes to foreign memory regions 18->62 64 Injects a PE file into a foreign processes 18->64 23 conhost.exe 18->23         started        25 aspnet_compiler.exe 18->25         started        27 aspnet_compiler.exe 18->27         started        process9 signatures10 52 Writes to foreign memory regions 20->52 54 Injects a PE file into a foreign processes 20->54 29 aspnet_compiler.exe 2 4 20->29         started        32 conhost.exe 20->32         started        process11 dnsIp12 42 winddns.zapto.org 91.109.184.6, 7896 IELOIELOMainNetworkFR France 29->42
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-02-25 20:48:30 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzpzv6ycmycv4fcmogutig6ruiun3qgdanqfgxwepwfmibmn6woa._file
Verdict:
malicious
Similar samples:
500fd7fdf5e8dcf978cb501da625b8bd4804f798ff75f2f7a0370b48e7ed3a17
njrat
5730cdbd8b40bd9dbfc8e26d55434446b4793888e09822c457db6976d10ded52
njrat
6d0bd4829b35828163e23260cd73a0319a50c06c2cf5352f44c83d50aa7bc9ba
njrat
79d63700ee3cc8b143b912520f80e23b06fb576a4cfe6c9280a703c4dbd246e2
njrat
a46ffde9520f02fc745054cdeba73b146c1bd968cc4eafbc89696bb0646d5c47
njrat
ad4c7342f0394336560063d9ea2d53c4e39dd280e776b69a9f0fb1364126dab0
njrat
b9c2b424ec3247e4b7a2f1affdaace6bd39223767b0a8af4a2dc92543e20479c
njrat
d764e1ecfb9b2ca97027fc6fd85adda29375857c9b213ba869f15023983cf9b6
njrat
eaa7abd95108e58106417a3c4c81a2f54e766ef0e030122879b2df247dcd0314
njrat
f01ccdb00e0a3ee30e0015d928db9bdbdc7cfef6c00530ba22d522d1b596f218
njrat
+ 163 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/210228-gzss5ypxne/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
f12e4d56a19c2fb1ea68eda5f941a1e9b93cb3e1afb958a46d2bbd043bab4ceb
MD5 hash:
99c19609a518afc65fda50a25d454f2e
SHA1 hash:
848aba832d3381a203ddf2d87ddd0637ffd0b028
Link:
https://www.unpac.me/results/5c7c0867-7292-490c-9bd3-35dd28a7ccfa/
SH256 hash:
be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c
MD5 hash:
09d302577d1a707b343d7f3b9836151f
SHA1 hash:
92636083ebb90c980540f549712d2278b0681ea7
Link:
https://www.unpac.me/results/5c7c0867-7292-490c-9bd3-35dd28a7ccfa/
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/be5f9afb0266055e144c71a9341bd1a228ddc0c30360535ec47d8ac4058df59c

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_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog

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/119912/

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