MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc. 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: 18

Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash:	5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc
SHA3-384 hash:	9fa8a5aa0b354710d836c765877f73c595835ad7b233e335c734927834ce3699b573dfbcac4c97377c1e4f9ba3a22e91
SHA1 hash:	62a9d289b69f2447293455cc3a7fc6192e6369f5
MD5 hash:	773e4309e1e5140bae8cf1c3eb23f223
humanhash:	mississippi-island-paris-vermont
File name:	PO-31925.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	802'816 bytes
First seen:	2025-03-19 18:46:03 UTC
Last seen:	2025-03-19 19:34:22 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep	12288:B5J7qAJR3Ilss+8IEF3xdSkpUWnU83iI66k1JoSyv9/sit:B5ZNd8IEF3LSkUX83q6uoS215
Threatray	4'560 similar samples on MalwareBazaar
TLSH	T13E05DF00666A9A1FD7B637B9C920C2744F7DAE9A6612D60ACFC43DD7F377B001D84226
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
dhash icon	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	threatcat_ch
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

432

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PO-31925.exe

Verdict:

Malicious activity

Analysis date:

2025-03-19 20:02:45 UTC

Tags:

snake keylogger evasion telegram netreactor stealer

Link:

https://app.any.run/tasks/08064fba-bd55-4a28-b5f1-bff0cfb4df98

Note:

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

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.10004.1227.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67db10f4115e7b48b48ecd0c

Tags:

backdoor shell micro

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

DNS request

Connection attempt

Sending an HTTP GET request

Sending a custom TCP request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated packed packed packer_detected phishing vbnet

Link:

https://www.filescan.io/uploads/67db10f3b93e688233ef0228/reports/683ba4a9-6477-4fa1-9bcf-92f54cf6bed0/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

Result

Verdict:

MALICIOUS

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/04d357b8-97b4-4c4a-a35d-128c3c28d4c5

Result

Threat name:

Snake Keylogger, VIP Keylogger

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1643401

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Contains functionality to capture screen (.Net source)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Suricata IDS alerts for network traffic

Tries to detect the country of the analysis system (by using the IP)

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

Tries to steal Mail credentials (via file / registry access)

Uses the Telegram API (likely for C&C communication)

Yara detected AntiVM3

Yara detected Snake Keylogger

Yara detected Telegram RAT

Yara detected VIP Keylogger

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-03-19 18:46:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ljm2iqyq6ojrt36423mcaqvzqek7xcg7y34bkptbfs3jzyl45l6a._file

Verdict:

malicious

Label(s):

vipkeylogger

unc_loader_037

MassLogger

2fee9e3c6155c5716c179eec08819cd55bc5dc1171cb7ad47036ece432cfb1ef

MassLogger

4a4ba7d3ee33b946c726769f6251c1adb4bfd6bc90e679ea3ae394c9117174ca

MassLogger

990e32f2b58b0c11d9998695169ab6a6b0825fc2c4c70d366eb2197360875edc

MassLogger

baccebd3888e8622e858e7a771d985e3eeaf05b6b73d0b67df5bdb710ec65ba5

MassLogger

d313827b50a344b6f5a1adb8392a5be95d65e07d0c58b2e3b91524b33caf5139

MassLogger

e5c3febab37a06659361fbfb93aff167b685270ba63a71a86fa9892379abfbf3

MassLogger

error

MassLogger

+ 4'550 additional samples on MalwareBazaar

Result

Malware family:

vipkeylogger

Score:

10/10

Tags:

family:vipkeylogger collection discovery execution keylogger spyware stealer

Link:

https://tria.ge/reports/250319-xem39szycw/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

VIPKeylogger

Vipkeylogger family

Verdict:

Malicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/61d938ef-acc5-41e3-be47-c3c4b74e8754

Unpacked files

SH256 hash:

5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

MD5 hash:

773e4309e1e5140bae8cf1c3eb23f223

SHA1 hash:

62a9d289b69f2447293455cc3a7fc6192e6369f5

Link:

https://www.unpac.me/results/d7754036-7328-4092-9da2-eaa32c7b2b4f/

SH256 hash:

517dec7177400e8705ab9c5d0c32ecafc9b129c59bb82960ccec42c8c34f7317

MD5 hash:

2b1d0c740ae5620610b3c7739bcf274d

SHA1 hash:

124acdfe1d352dc51b8f1b9efb36d5fd36834539

Link:

https://www.unpac.me/results/d7754036-7328-4092-9da2-eaa32c7b2b4f/

SH256 hash:

527f5971e25f4cce4aae3bd06a2a7a5a7ee2cbbd020bab224e022d25059a7a1d

MD5 hash:

494d059e2017f45c12a42a683da51c37

SHA1 hash:

e0a7c52d416f4233a7ea1ee0bfe0afcaa026737f

Detections:

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/d7754036-7328-4092-9da2-eaa32c7b2b4f/

Parent samples :
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SH256 hash:

cccd8b9dfd0af5d2b5eea5a9204fd50d5e276ce670f2c4ef46527b523fca1e13

MD5 hash:

b88acefdd87d7c95f3406dc60abdac35

SHA1 hash:

ea5347a9a96a959fae3a6d4108dcbdd35329f3ff

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/d7754036-7328-4092-9da2-eaa32c7b2b4f/

Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5a59a44310f3/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

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:	crime_snake_keylogger Create hunting rule
Author:	Rony (r0ny_123)
Description:	Detects Snake keylogger payload

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook Create hunting rule
Author:	ditekSHen
Description:	Detects executables with potential process hoocking

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	MAL_Envrial_Jan18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	MAL_Envrial_Jan18_1_RID2D8C Create hunting rule
Author:	Florian Roth
Description:	Detects Encrial credential stealer malware
Reference:	https://twitter.com/malwrhunterteam/status/953313514629853184

Rule name:	masslogger_gcch Create hunting rule
Author:	govcert_ch

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	Windows_Trojan_SnakeKeylogger_af3faa65 Create hunting rule
Author:	Elastic Security

Rule name:	win_masslogger_w0 Create hunting rule
Author:	govcert_ch

File information

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

Malspam

MassLogger

exe 5a59a44310f39319efdcd6d82042b98115fb88dfc6f8153e612cb69ce17ceafc

(this sample)

Delivery method

Distributed via e-mail attachment

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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