MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e. 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


Nitol


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e
SHA3-384 hash: ec98618332cf5569b7dc0c8326785831c1a0e6e65f96397ec8fefb11f01c8adf4e542cf5a3e8f49180d0770379a9355b
SHA1 hash: a74afcd34ea8478a7c8918aa2ecd8e76f72d0a2b
MD5 hash: 26ea303f8ddc0412ae7f9a5ce6f85e5e
humanhash: delaware-yankee-steak-spring
File name:26ea303f8ddc0412ae7f9a5ce6f85e5e
Download: download sample
Signature Nitol
Create hunting rule
File size:75'264 bytes
First seen:2023-11-10 10:11:40 UTC
Last seen:2023-11-10 11:21:03 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash f61b3498a024e1606e5633ff05e57b42 (15 x Nitol)
ssdeep 1536:awsdCFnE4Nz1/SXPtpoprAeDYxUfG2hK5O:awsAik1a4pG2hK5O
TLSH T1EF736C217691C1B6C44964319816D7B25B7E79305BF8D9C3BF590B7E4F223C0AA3A38B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 dll exe Nitol

Intelligence

File Origin
# of uploads :
2
# of downloads :
288
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Zusy-10013968-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto greyware lolbin shell32 zusy
Link:
https://www.filescan.io/uploads/654e01fa3dd412119bf50d2c/reports/30b207f6-b9b7-4082-ac3b-56cf60c834f7/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e
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:
Unknown
Link:
https://analyze.intezer.com/analyses/58a14062-9247-4c39-8cfd-ed8e3d80a22c
Result
Threat name:
Nitol
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1340512
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Drops password protected ZIP file
Multi AV Scanner detection for submitted file
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Uses known network protocols on non-standard ports
Yara detected Nitol
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1340512 Sample: 146IRdVgmQ.dll Startdate: 10/11/2023 Architecture: WINDOWS Score: 96 49 Antivirus detection for URL or domain 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 3 other signatures 2->55 9 loaddll32.exe 1 2->9         started        11 n1K.exe 7 2->11         started        process3 signatures4 14 rundll32.exe 23 9->14         started        19 cmd.exe 1 9->19         started        21 rundll32.exe 9->21         started        23 conhost.exe 9->23         started        57 Tries to delay execution (extensive OutputDebugStringW loop) 11->57 25 cmd.exe 11->25         started        process5 dnsIp6 45 154.39.239.56, 49706, 49707, 7700 COGENT-174US United States 14->45 41 C:\Users\Public\Videos\Znaa9\BdVehjzX.exe, PE32 14->41 dropped 43 C:\Users\user\AppData\Local\...\1[1], PE32 14->43 dropped 47 System process connects to network (likely due to code injection or exploit) 14->47 27 BdVehjzX.exe 4 10 14->27         started        31 rundll32.exe 19->31         started        33 conhost.exe 25->33         started        file7 signatures8 process9 file10 39 C:\Users\Public\Videos\Znaa9\n1K.exe, PE32 27->39 dropped 59 Creates an undocumented autostart registry key 27->59 61 Tries to delay execution (extensive OutputDebugStringW loop) 27->61 35 cmd.exe 2 27->35         started        signatures11 process12 process13 37 conhost.exe 35->37         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e/
Threat name:
Win32.Trojan.NetLoader
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 10:31:32 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlwghdfk6zrupxtqrcs6nkafgqpqqyjqorelehax3eoxhw7uanpa._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion trojan upx
Link:
https://tria.ge/reports/231110-l8g9bsef6w/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Blocklisted process makes network request
Downloads MZ/PE file
Modifies RDP port number used by Windows
UAC bypass
Unpacked files
SH256 hash:
4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e
MD5 hash:
26ea303f8ddc0412ae7f9a5ce6f85e5e
SHA1 hash:
a74afcd34ea8478a7c8918aa2ecd8e76f72d0a2b
Link:
https://www.unpac.me/results/54cedb8e-f95d-4056-a855-a0aa926ac289/
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/4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Nitol

DLL dll 4aec638caaf66347de7088a5e6a805341f0861307448b21c17d91d73dbf4035e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2729655/

Comments


Avatar
zbet commented on 2023-11-10 10:11:41 UTC

url : hxxp://154.39.239.56:8000/j-25/