MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1b5aa4851cd69669566e48206ea250711a3373df342b9417271b7700d24d187. 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: 8

Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash:	e1b5aa4851cd69669566e48206ea250711a3373df342b9417271b7700d24d187
SHA3-384 hash:	4334e2fe2579a0cd5f9004e3c7201a6ed2fb3202d0a4d9cfe79e58dab06644579a47544feeb761f8b098a75b01b6eb12
SHA1 hash:	5173c8e1e3ebe919f5e676dbfc3c0751b4a59fb4
MD5 hash:	5c2ea8070997632d9a2155065611ab91
humanhash:	charlie-hawaii-washington-robin
File name:	Navrang-PO.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	918'016 bytes
First seen:	2020-10-15 11:15:23 UTC
Last seen:	2020-10-16 21:14:52 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	24576:oNJ/P5TwkVWgHdG7mzXTWwNCuB7JTVH9iF0:MlZwkVDdmgXNfld
Threatray	2 similar samples on MalwareBazaar
TLSH	74152306726D972BC95F03F4506084114378422F2243D3169ED5B8DAEFB9FDB9386BAB
Reporter	abuse_ch
Tags:	exe MassLogger

abuse_ch

Malspam distributing MassLogger:

HELO: ligaofood.com
Sending IP: 103.114.106.7
From: Mahesh Saroj <sarah@ligaofood.com>
Subject: RE: URGENT PURCHASE ORDER
Attachment: Navrang-PO.zip (contains "Navrang-PO.exe")

MassLogger SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/71276/

Detection(s):

SecuriteInfo.com.Trojan.Packed2.42621.23760.24199.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

DNS request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Setting a global event handler for the keyboard

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/492182

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

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/e1b5aa4851cd69669566e48206ea250711a3373df342b9417271b7700d24d187/

Threat name:

ByteCode-MSIL.Spyware.Stelega

Status:

Malicious

First seen:

2020-10-15 01:22:10 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4g22uscrzvuwnflg4sban2rfa4i2gnz56nblsqlsog3xadje2gdq._file

Verdict:

unknown

MassLogger

ea606cf788aac790267c56ce6aa4dd1cfd9d5d0bb513ab8ff3cab47a026ffa34

MassLogger

Result

Malware family:

masslogger

Score:

10/10

Tags:

spyware stealer family:masslogger

Link:

https://tria.ge/reports/201015-zxkttve75j/

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:

e1b5aa4851cd69669566e48206ea250711a3373df342b9417271b7700d24d187

MD5 hash:

5c2ea8070997632d9a2155065611ab91

SHA1 hash:

5173c8e1e3ebe919f5e676dbfc3c0751b4a59fb4

Link:

https://www.unpac.me/results/2de982e7-4224-4fe8-96eb-317e29acdff7/

SH256 hash:

4086f1cea6921f368a92e1adbf42d787a59f0b3971e4124b947191546653ca12

MD5 hash:

6590320ff5c4f7b677eae84cc3840a09

SHA1 hash:

5e3af049b2fc1d3a5026a27d189c13c90ec71c5f

Detections:

win_masslogger_w0

Link:

https://www.unpac.me/results/2de982e7-4224-4fe8-96eb-317e29acdff7/

Parent samples :
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SH256 hash:

567c11403b29c06f28fca2876fe42e1c77a3e8343453eedda965ba341a54f121

MD5 hash:

3b4ca3933bc7516889457d37ee6d91c7

SHA1 hash:

7cebbd295998a8f18b39e5b595fee61ebecb1960

Link:

https://www.unpac.me/results/2de982e7-4224-4fe8-96eb-317e29acdff7/

SH256 hash:

607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b

MD5 hash:

a90baadadf904455325f7bc787185c7b

SHA1 hash:

7d833bb819d638008c98be469b05db2feaf201cd

Link:

https://www.unpac.me/results/2de982e7-4224-4fe8-96eb-317e29acdff7/

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/e1b5aa4851cd69669566e48206ea250711a3373df342b9417271b7700d24d187

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_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