MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1583e4f9d42db06490a42d0a0fe911a0e4d390ad07b9b8f2d8245e675dff0a33. 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

MassLogger

Vendor detections: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	1583e4f9d42db06490a42d0a0fe911a0e4d390ad07b9b8f2d8245e675dff0a33
SHA3-384 hash:	7ff1febbd92798e62cf246a6e8971a0cd9fea1937bd44eda03f765ac9dd34057e38e4645b6ddf326f83e9189c7f1a5f1
SHA1 hash:	245ff8f832b627de99615d7b6396883c4abfbf13
MD5 hash:	6689c734a79172a09227598c7befc88c
humanhash:	oranges-fillet-zebra-hot
File name:	scan00465.pdf.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	1'117'184 bytes
First seen:	2020-06-04 08:57:54 UTC
Last seen:	2020-06-05 06:35:03 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:qsypmYse25DyopJ+hn8uE0UA8IAqU0AQEumBTa1qY:VYg5DFTkLTP/YBTY
Threatray	1'906 similar samples on MalwareBazaar
TLSH	A235CD85F6546AA7DE28ABF01536C8351372ADB96874E0DC2CDE3DAB3BFB7820011547
Reporter	abuse_ch
Tags:	exe MassLogger

abuse_ch

Malspam distributing MassLogger:

HELO: signalhire.com
Sending IP: 156.96.62.53
From: (Ms) ivy leung <john.smith@signalhire.com>
Reply-To: (Ms) ivy leung <john.srnith@signalhire.com>
Subject: revised product enquiry, sample request
Attachment: scan00465.pdf.zip (contains "scan00465.pdf.exe")

MassLogger SMTP exfil server:
mail.saritatravels.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Gathering data

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-06-04 09:38:24 UTC

AV detection:

26 of 31 (83.87%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=cwb6j6oufwygjefefufa72irudsnhefna643r4wyerpgoxp7bizq._file

Verdict:

malicious

MassLogger

06b9b90d74acfd8c35fbaf0222ec3ff32b77865dac31d44dfead2885cb330500

MassLogger

06c4dee18a0ccec54191fb4eaf2029cdb1acbf8f80cc80a3576cde0965b6cbf6

MassLogger

2488817fd7589194d1a7781f8975be361c8153177af6f79c9c5b06960810f05c

MassLogger

2e8d1f0c2cf60aca1b3bb456f1a94e40961540260d6a1d6a9429a242206bcc09

MassLogger

57f1c863e4e30e3daf8c2615372fc1961ec72e92de7b6eab13b08f25656d1530

MassLogger

9a813db555b2a251a1068f50b1b02d642bb570337058f7f3a7028cafccbe1f54

MassLogger

abe10a0978abb39e16eba5643ea751bcc4f1361d3daefa62a65daa01eae7ec3d

MassLogger

c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c

MassLogger

ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697

MassLogger

+ 1'896 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger ransomware rezer0 spyware stealer

Link:

https://tria.ge/reports/201109-r5v545r8ej/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

Reads user/profile data of web browsers

rezer0

MassLogger

MassLogger log 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.