MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0. 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: 17

Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash:	e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0
SHA3-384 hash:	a9e51fec8a34da37ab6bcf6d0c11be379eddbea0f7e8354c29f4f4feb4e247e6af0fd377e4d6d043634852c509bba55c
SHA1 hash:	54320f46e1dd1f316d398bf6e048afa66a9a5b54
MD5 hash:	a4ae5681d5a758fb8257de67fdb22e19
humanhash:	sweet-oranges-blue-eleven
File name:	SecuriteInfo.com.Trojan.PackedNET.3392.27145.6240
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	725'504 bytes
First seen:	2025-08-14 14:21:04 UTC
Last seen:	2025-08-14 15:17:27 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:oDLOwUNuug9HI15WULTBJ2ZP3B8lslIoCAYjvcQHNPwn0OlU7TeaFdihbYW24wyr:oDBtr25bA8uIuAUQgRUXbs8453rf
Threatray	2'554 similar samples on MalwareBazaar
TLSH	T1BDF412952661DA13C1E25BF09DB1D3BC57A90ECE7C01D31A9EFABDDB39327881580293
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
Reporter	SecuriteInfoCom
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

_e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0.exe

Verdict:

Malicious activity

Analysis date:

2025-08-14 14:25:58 UTC

Tags:

snake keylogger evasion netreactor telegram stealer ims-api generic

Link:

https://app.any.run/tasks/13778389-d109-4a39-891b-3e50dc8c91d8

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/21421/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3392.27145.6240.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689df0fcb0026751df5c66cb

Tags:

backdoor spawn shell

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET 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:

packed

Link:

https://www.filescan.io/uploads/689df10a9ef4d2ff7cfd2427/reports/8ad7ca04-9772-492e-9b1c-677544d56d48/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d84afd49-0c38-4312-b822-ecf2110b308a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0/

Verdict:

Malicious

Threat:

Family.SNAKE

Link:

https://tip.neiki.dev/file/e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2025-08-14 14:21:42 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4evvxau4ywbb674z7hoyueosfwqvp2zslgzjyqfi5jq2zxj34sya._file

Verdict:

malicious

Label(s):

vipkeylogger

unc_loader_037

MassLogger

633326457f86d0a12d3ff263f3a2f4f2d8325ef94fe3f20e6d74c3f1e72f6aa6

MassLogger

9a94e891e348c3b34f1087fc5bd0f4d54f01f7ac6c6e58ae558d24e25013587b

MassLogger

d7364c65d5ab68af62326f3e4d495278a7e9389e6c3bb3ae54cae85fff5dfec5

MassLogger

e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

MassLogger

error

MassLogger

+ 2'544 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/250814-rpayssak5y/

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

Malware Config

C2 Extraction:

https://api.telegram.org/bot7783104153:AAHSNrERDQS2NzJ45eSQXKJ1B2uwYNSeUQ4/sendMessage?chat_id=5630866666

Verdict:

Malicious

Tags:

404Keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/b4f41de2-c069-4cda-9081-263d09d67a93

Unpacked files

SH256 hash:

e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

MD5 hash:

a4ae5681d5a758fb8257de67fdb22e19

SHA1 hash:

54320f46e1dd1f316d398bf6e048afa66a9a5b54

Link:

https://www.unpac.me/results/e343d897-f083-4f91-b36f-05c98e590c83/

SH256 hash:

b98a5bc2c71377c46e35439ec713f35b2413dcda6318772e891e954e769d44c9

MD5 hash:

0f46ca6ed9bb2524051daf2f4b8148e4

SHA1 hash:

0b03b3302bd6234c6ae1e8524c099944db6d5f3d

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/e343d897-f083-4f91-b36f-05c98e590c83/

SH256 hash:

460cf4c4d4cfe4b310e0c81d240e1bf2311b5476c4c91748a8d4d0e8ebcc59e4

MD5 hash:

19f12013706b3a92e6ae1046d91b6106

SHA1 hash:

949d1e523c477aa657705bace7391ba4df66a077

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/e343d897-f083-4f91-b36f-05c98e590c83/

Parent samples :
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SH256 hash:

89877d2e4e7632fb00d163c7503fabf0eb7a2cdcdaa326ca1ebde1e6b9e12a72

MD5 hash:

63a24408ea9cc97dbd542a3758827d61

SHA1 hash:

a85704a0ff14828fb35ab7d93fdc150ed783bc05

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/e343d897-f083-4f91-b36f-05c98e590c83/

Parent samples :

376d3dfd6f2d205e6a48bbeb3984d4b5f383d08c7cc71bd3d5487a633a13a0a5
e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0
544afe8840ec6a6f9db0062d6713264aabe6ffc9afbd4fd6438e0f3c76c3d2ae

Malware family:

SnakeKeylogger

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/e12b5b829cc5/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/e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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_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:	matiex Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked matiex malware samples.

Rule name:	NET 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_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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.

Web download

MassLogger

exe e12b5b829cc5821f7f99f9dd8a11d22da157eb3259b29c40a8ea61acdd3be4b0

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3602931/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/21421/

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 (GUARD_CF)	high

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