MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc7fcd7095efb98b2733651c4193157bf84b69fa317770b2855053d3c4c424a0. 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: 4

Intelligence 4 IOCs YARA 2 File information Comments

SHA256 hash:	dc7fcd7095efb98b2733651c4193157bf84b69fa317770b2855053d3c4c424a0
SHA3-384 hash:	a4c29f2b79c459450a5b6160072e221646e6ccde86fdddfc86b6938ed98e1a1d81a094f9debd5c7f08da11a42aeef7c1
SHA1 hash:	62ad8f0864840d7c5857126613fb7d5cd1982b4c
MD5 hash:	a3549f936648b2bba51c73a4dccbd619
humanhash:	green-speaker-one-speaker
File name:	SecuriteInfo.com.BackDoor.Siggen2.3115.23248.17125
Download:	download sample
Signature	Nitol Create hunting rule
File size:	94'208 bytes
First seen:	2020-04-07 21:42:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c4ea381c28386964ef934bb88da9c7cb (1 x Nitol)
ssdeep	1536:VDHoY77FFNQ/ttWJ774IgwZFXMCNVLRJwKj9OmcVP:pH377FFNQ/ttWJ3HgyM2VLRJwKj9Ap
Threatray	159 similar samples on MalwareBazaar
TLSH	3993385BE6354BB1E70B8A76082332B115555A7A6B10AEE7834FFF0C5078ED05836F9C
Reporter	SecuriteInfoCom
Tags:	Nitol

Intelligence

File Origin

# of uploads :

# of downloads :

108

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.BackDoor.Siggen2.3115.23248.17125.UNOFFICIAL

Gathering data

Threat name:

Win32.Trojan.Lotok

Status:

Malicious

First seen:

2020-04-07 18:39:45 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

27 of 31 (87.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3r7424ev564ywjztmuoedeyvpp4ew2p2gf3xbmufkbj5hrgeesqa._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:	Backdoor_Nitol_Jun17 Create hunting rule
Author:	Florian Roth
Description:	Detects malware backdoor Nitol - file wyawou.exe - Attention: this rule also matches on Upatre Downloader
Reference:	https://goo.gl/OOB3mH

Rule name:	MAL_Nitol_Malware_Jan19_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Nitol Malware
Reference:	https://twitter.com/shotgunner101/status/1084602413691166721

File information

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

Web download

Nitol

exe dc7fcd7095efb98b2733651c4193157bf84b69fa317770b2855053d3c4c424a0

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/336206/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuA

Comments

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