MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73a9587e15f6da3afceff9d0d64e5cda31eb934282511e01e35c0fb0e432fdd6. 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: 7


Intelligence 7 IOCs YARA 54 File information Comments

SHA256 hash: 73a9587e15f6da3afceff9d0d64e5cda31eb934282511e01e35c0fb0e432fdd6
SHA3-384 hash: 8b6f4009ee93806859bd8a0dad28eb389751b4ae45945773c513eee8b3592ce1855dc97f8a9eb167a814015adde3c425
SHA1 hash: 6cd280f8dd2512caebd02e47bf19ccbb7f8db336
MD5 hash: f9b6c04fa4a9319f0ede3c8c53e36bd0
humanhash: zulu-ceiling-sink-yellow
File name:a.zip
Download: download sample
Signature Nitol
File size:2'431'996 bytes
First seen:2025-08-24 09:18:25 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 49152:6PDWqu79V+T0jauP8NybTMSoJhi6RN/hNslD5diGH1tsStA7qLJ:6PSqu7CckSahDNZQDdXsqzLJ
TLSH T11AB533367E5A70CEA69203B0017D597E72FFC746D30D7525A8497F40230A1AEBA39FA4
Magika zip
Reporter Anonymous
Tags:Nitol zip

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
AE AE
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:漏洞WeChat.exe
File size:2'885'280 bytes
SHA256 hash: f26500ee852cdb8e17853efc48c3cfb5b08bebdbe2a37bc5a9009ab1b854d64b
MD5 hash: 25f774cf317041e4f5bf5660a696b4a6
MIME type:application/x-dosexec
Signature Nitol
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
injection virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm overlay packed packed packed ransomware threat unsafe upx
Verdict:
Unknown
File Type:
zip
First seen:
2025-08-24T08:27:00Z UTC
Last seen:
2025-08-24T08:27:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-08-24 09:11:43 UTC
File Type:
Binary (Archive)
Extracted files:
50
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
System Location Discovery: System Language Discovery
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Armadillov1xxv2xx
Author:malware-lu
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Check_OutputDebugStringA_iat
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Golang_Binary
Author:Andrew Morrow
Description:Detects binaries compiled with Go
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:dgaaga
Author:Harshit
Description:Detects suspicious PowerShell or registry activity
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MALWARE_Win_Nitol
Author:ditekSHen
Description:Detects Nitol backdoor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9
Rule name:win32_younglotus
Author:Reedus0
Description:Rule for detecting YoungLotus malware
Rule name:Windows_Shellcode_Rdi_eee75d2c
Author:Elastic Security
Rule name:Windows_Trojan_Gh0st_9e4bb0ce
Author:Elastic Security
Rule name:win_rat_generic
Author:Reedus0
Description:Rule for detecting generic RAT malware
Rule name:win_upx_packed
Author:Reedus0
Description:Rule for detecting UPX packed malware

File information


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

Web download

Nitol

zip 73a9587e15f6da3afceff9d0d64e5cda31eb934282511e01e35c0fb0e432fdd6

(this sample)

  
Delivery method
Distributed via web download

Comments