MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments
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SHA256 hash: 9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3
SHA3-384 hash: 2be6aa8e8df8bca54e2ff916129900877b4062c6d0d6fd2c87b3a73a458cc7a5b65b62c217074a3267d52f7866eeffec
SHA1 hash: a83852796888292b9670bc4e451a8fb63daf372b
MD5 hash: 4e17ba845b59d9774b44d50cb03321c3
humanhash: spring-avocado-oklahoma-oscar
File name:4e17ba845b59d9774b44d50cb03321c3.exe
Download: download sample
Signature njrat
Create hunting rule
File size:197'120 bytes
First seen:2023-02-13 22:20:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:fu0rAyg/0lGDQQWH+bLgka9vbA392+4sdeETvnR:GTyg/0lIHWnvbGIsUED
Threatray 44 similar samples on MalwareBazaar
TLSH T1D214015162088DB7D869C7367C23EB381136BEABA8555F3F3490F78B28327816D72D19
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00b2c78d8d233bbe (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
41.36.255.72:6522

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
4e17ba845b59d9774b44d50cb03321c3.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 22:21:19 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/a93f7d37-96a0-44e2-ae59-7e8f1c024cb5

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/365299/
Detection(s):
Win.Packed.Razy-7334624-0
Create hunting rule

ditekSHen.INDICATOR.Packed.NyanXCAT-CSharpLoader.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Launching a process
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult nanocore packed razy
Link:
https://www.filescan.io/uploads/63eab7d031c239ad0c458438/reports/99cddd89-a6c7-4a99-8b25-2c554d778fa5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3
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/9fa7422d-b020-4a82-a7a8-68f81af6c4c9
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173890
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected njRat
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 submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 806679 Sample: 422aepPYPS.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 13 other signatures 2->55 8 422aepPYPS.exe 5 2->8         started        11 chome_exe.exe 2 2->11         started        14 chome_exe.exe 2 2->14         started        process3 file4 37 C:\Users\user\AppData\...\chome_exe.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\...\422aepPYPS.exe.log, ASCII 8->39 dropped 16 RegAsm.exe 2 3 8->16         started        20 RegAsm.exe 8->20         started        22 powershell.exe 1 12 8->22         started        61 Antivirus detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 signatures5 process6 dnsIp7 41 oxy01.duckdns.org 41.36.255.72, 49696, 6522 TE-ASTE-ASEG Egypt 16->41 43 192.168.2.1 unknown unknown 16->43 45 Protects its processes via BreakOnTermination flag 16->45 24 cmd.exe 1 16->24         started        27 schtasks.exe 1 16->27         started        47 Uses schtasks.exe or at.exe to add and modify task schedules 20->47 29 conhost.exe 22->29         started        signatures8 process9 signatures10 57 Uses ping.exe to sleep 24->57 59 Uses ping.exe to check the status of other devices and networks 24->59 31 conhost.exe 24->31         started        33 PING.EXE 1 24->33         started        35 conhost.exe 27->35         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3/
Threat name:
ByteCode-MSIL.Trojan.ZillaAzorult
Create hunting rule
Status:
Malicious
First seen:
2023-02-11 04:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkh73tcrt3h7moh3vcjqddxyqdlow3mprvdcnektawcacnqxthbq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0439b2c7c3742f290db9d859f1152c60ed0b4a8606f3b4d9514ae05c48a644aa
njrat
074cca586090b96b558ed8fef4e1a82144fb023963f8956afe5395426fb37c7d
njrat
8ac73cedb35abeb387e8ae77f418305d3e389a84756488c84338b58721edf373
njrat
a23f6eee0818344bb7ee7e23c7b517fe66f80c67fbe89b98b2160e57891754df
njrat
ae1f83032051540d2c0a651128b3f3383738d0ca5a093def884a6763613d1da4
njrat
dd0bd63ada359ba9e0c332af732770c116fdc178d48c4a6dd55e69dc14525340
njrat
fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4
njrat
+ 34 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:victim persistence trojan
Link:
https://tria.ge/reports/230213-19mmrsgb3y/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
njRAT/Bladabindi
Malware Config
C2 Extraction:
oxy01.duckdns.org:6522
Unpacked files
SH256 hash:
77572b83b05239ab9ca66e6880930ec1abb10a94bbcb4ff2068408b54350e2cc
MD5 hash:
33e608dbf9c17b85fe27f7f0b18ebb83
SHA1 hash:
993caa9a3f510d7d455f425e9a4fe2c5930082be
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/a97fb4af-9541-4ada-8ae1-76b47652f038/
SH256 hash:
9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3
MD5 hash:
4e17ba845b59d9774b44d50cb03321c3
SHA1 hash:
a83852796888292b9670bc4e451a8fb63daf372b
Link:
https://www.unpac.me/results/a97fb4af-9541-4ada-8ae1-76b47652f038/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a8ffdcc519e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9a8ffdcc519ecff638fba893018ef880d6eb6d8f8d46269153058401361799c3

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 (Nextron Systems)
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_EXE_Packed_NyanXCat_CSharpLoader
Create hunting rule
Author:ditekSHen
Description:Detects .NET executables utilizing NyanX-CAT C# Loader
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
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_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Unknown_Malware_Sample_Jul17_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Create hunting rule
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

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/365299/

Comments