MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981. 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: 11

Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash:	5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
SHA3-384 hash:	46d9bf39105aede0c73f58f2d40271177e27649f32740f769814fff58ee4c3343f87ba29f4b7171f4b55c7b8c9640031
SHA1 hash:	8330e0dd2784509dddab9b358e43bbe7d5b806c5
MD5 hash:	3bc8abad5f95e6464c653ba0e0edffab
humanhash:	mango-equal-carpet-sink
File name:	DHL_Jan 20201 at 1.10_8BZ290_PDF.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	735'232 bytes
First seen:	2021-01-12 17:56:43 UTC
Last seen:	2021-01-12 19:49:08 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:RE/86n90Tm0VpxjiVpA82K32YkPxjzZYUkERQ40v1gbE3qeI5/DM5JjW:R8Hn90CapxmVpy5PZzZY/mb0q39DM5hW
Threatray	692 similar samples on MalwareBazaar
TLSH	A9F4123237958158D5FA37723793C998073B7C1F4A234609A8FA779E18766CBC12A70B
Reporter	abuse_ch
Tags:	DHL exe MassLogger

abuse_ch

Malspam distributing MassLogger:

HELO: correo.ida.es
Sending IP: 37.46.72.16
From: DHL EXPRESS <noreply@dhl.com>
Subject: Re: DHL Notification / DHL_AWB_0011179303/ ETD
Attachment: DHL_Jan 20201 at 1.10_8BZ290_PDF.img (contains "DHL_Jan 20201 at 1.10_8BZ290_PDF.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DHL_Jan 20201 at 1.10_8BZ290_PDF.exe

Verdict:

Suspicious activity

Analysis date:

2021-01-12 18:38:59 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/856891c5-4c12-4943-abc5-92b08940f053

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

MassLogger

Link:

https://www.capesandbox.com/analysis/111559/

Detection(s):

SecuriteInfo.com.Trojan.DownLoader36.34658.22454.3549.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Creating a file

DNS request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Sending a UDP request

Reading critical registry keys

Setting a global event handler for the keyboard

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/579304

Signature

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected Costura Assembly Loader

Yara detected MassLogger RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981/

Threat name:

ByteCode-MSIL.Backdoor.Crysan

Status:

Malicious

First seen:

2021-01-12 17:57:09 UTC

AV detection:

11 of 46 (23.91%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=lnjefobc7pewdkntcnpnc2jzs2k2wjxoikiznel3ckunmujjfgaq._file

Verdict:

malicious

Label(s):

masslogger

MassLogger

08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673

MassLogger

21ada34a203f6a238393d69d9c0aebc680f65e9eb0a9bc472f558709e85c88ee

MassLogger

7892a206704754cf7a094b04b2ad2e28cb7cfd310ad297f0f00a41bc561ebf03

MassLogger

b5a3cf350d8aa4afa017d90a37e3206574774eefc57c36da525a89606d704025

MassLogger

c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e

MassLogger

dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788

MassLogger

dd5b3d947daecc91aa36e124a5bdcb1cb6b10fdb2d905a9a1e067bd6bdb4065b

MassLogger

ea78060a7dd7e2df3a47591cc7503c7dd637c3169ec4c78250a43f3bd3d4a290

MassLogger

f5d3f20a5e7fc84496267536833b84b4dce1c5cc168014215f396490c1430857

MassLogger

+ 682 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger spyware stealer

Link:

https://tria.ge/reports/210112-mplayytm4a/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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

MassLogger

MassLogger Main Payload

Unpacked files

SH256 hash:

c0bc32ac8075ff6d3c44a8579529f8e9363a9d8520db70ff0665ac83e96ca1fa

MD5 hash:

989afca532394ca69cfac8f95fed60b1

SHA1 hash:

2f04e4efe7145209f359ca9bd42a3bf494c997c3

Detections:

win_masslogger_w0

Link:

https://www.unpac.me/results/6c2a982c-cb74-414b-9b7a-cea0c6ac0dc8/

Parent samples :

c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820

SH256 hash:

c8958fd83e1979fe831826360dcbdbf6e15d1c42f88573de7c9e9688da020dc4

MD5 hash:

01fc96032e8e406dba8d7d1aa360b1b3

SHA1 hash:

deed6208b5eb300384fe62704b9837845d7ffddf

Link:

https://www.unpac.me/results/6c2a982c-cb74-414b-9b7a-cea0c6ac0dc8/

SH256 hash:

97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf

MD5 hash:

8cd28be4bd9a1404c6d3600db32b3ed1

SHA1 hash:

fb90b0ca51118e771390d58b19d0a404ee14cfbc

Link:

https://www.unpac.me/results/6c2a982c-cb74-414b-9b7a-cea0c6ac0dc8/

SH256 hash:

5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981

MD5 hash:

3bc8abad5f95e6464c653ba0e0edffab

SHA1 hash:

8330e0dd2784509dddab9b358e43bbe7d5b806c5

Link:

https://www.unpac.me/results/6c2a982c-cb74-414b-9b7a-cea0c6ac0dc8/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.97

Link:

https://yomi.yoroi.company/submissions/5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981

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:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	MassLogger Create hunting rule
Author:	kevoreilly
Description:	MassLogger

Rule name:	masslogger_gcch Create hunting rule
Author:	govcert_ch

Rule name:	Quasar_RAT_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf