MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837. 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: 13

Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash:	ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837
SHA3-384 hash:	8e232bc4726f0848ede9dc11ffecc6665dd1fcfdaf886dee917d15302422428d179f8377f253134957caf87a91ed3ccc
SHA1 hash:	6b1c07acd96ab8000dd915d97cdf3701090f05a5
MD5 hash:	db49021c21b828ccd19078f52b94222c
humanhash:	mountain-autumn-island-alaska
File name:	ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	720'896 bytes
First seen:	2025-07-07 14:14:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:a0N4Rf6RiaGOLm+qQa9doBLbOII4N1ar3GD++Y0hud6w4MwgEBj+BhHtNVy684R4:m687vLr9CBLbbN0DGD++Y0jrh15+LVN3
Threatray	3'407 similar samples on MalwareBazaar
TLSH	T124E412B80B5ACC62CAE91BB9E860D17713799E8D5806D307CECDACF77C1335E25462A1
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika	pebin
dhash icon	0b797979e0e73f10 (5 x SnakeKeylogger, 4 x Formbook, 4 x a310Logger)
Reporter	adrian__luca
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/12793/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686bd664900df8e7f8683f99

Tags:

virus micro msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a 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

Sending a custom TCP request

Reading critical registry keys

Stealing user critical data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/686bd6470737c4165a9261ae/reports/32e3fc53-6980-43fa-b8ee-9c0f486de129/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1c9ffbab-614d-4c0e-85b1-94233eb94a46

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable PE (Portable Executable) SOS: 0.00 Win 32 Exe x86

Link:

https://app.malva.re/file/db49021c21b828ccd19078f52b94222c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2025-06-18 05:25:34 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 38 (78.95%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vm34jacvipiywkvenqoz5twemubibu3ufwkhtaqcjbsdmukvfa3q._file

Verdict:

malicious

Label(s):

unc_loader_037

novastealer

MassLogger

03260ed0ef22a3464f72a8e830d5762a789169557137f598c27cdf6de13d2dda

MassLogger

5579cd8909db7f38d563cbbec9f5ec092d0e08f6fdff35c234653f23169ddd3f

MassLogger

ceaa99440a1294e1a574941c6f1b01db99ad6d85d314264156989e893a64cd6e

MassLogger

error

MassLogger

+ 3'397 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger collection discovery spyware stealer

Link:

https://tria.ge/reports/250707-rkar8ssq17/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

MassLogger

Masslogger family

Malware Config

C2 Extraction:

https://api.telegram.org/bot8185619395:AAFoycueqDVSZD7Vj-U3AfAuKB5byVNAYJU/sendMessage?chat_id=7658880695

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c0fbbe11-d93f-4e94-b147-3450edcc5805

Unpacked files

SH256 hash:

ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837

MD5 hash:

db49021c21b828ccd19078f52b94222c

SHA1 hash:

6b1c07acd96ab8000dd915d97cdf3701090f05a5

Link:

https://www.unpac.me/results/49f80a9b-75e6-4a5e-83d8-5742dafa245c/

SH256 hash:

7c7fbb745c40b3bf1a1e2e0e81ddffb74f128cb42d90c33eefc2669339d2efd7

MD5 hash:

89218f04706178772b402ddb003927ae

SHA1 hash:

070afaf0831d4374fbb3b26b089ae0bbf4348763

Link:

https://www.unpac.me/results/49f80a9b-75e6-4a5e-83d8-5742dafa245c/

SH256 hash:

203f997aa82307df87d9d4400fb6c4803feba25424ad92009c6b8677245f7ab5

MD5 hash:

85f9928958183efa6660360d332adb61

SHA1 hash:

7bb13db2cd5da6826946cc871da0001088ee8121

Detections:

win_404keylogger_g1

win_masslogger_w0

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

Link:

https://www.unpac.me/results/49f80a9b-75e6-4a5e-83d8-5742dafa245c/

Parent samples :

4b045ea170a2d34ceeb3edec6de46c4dec90304e9a1937e28aff7cffbc44c0c8
e11e44e3d1f9f9656d7d75059bc2836cd9f8c7c370381f8d360a16b8798d990e
edccf88c03e06f24f077d14cde639f3b2d52d55e77a574086edee60494bd5760
1284bc72f0d418aff47186613d0619a22848687ec42e2686636fd5c4d9a0bd35
ab37c4805543d18b2aa46c1d9ecec4650280d3742d9479820248643651552837

SH256 hash:

7f21ac01b202e2894305533e5d9cada86d740363e993eab8550b0acd916470b6

MD5 hash:

fbae861d7939b8bb94f0200a83f5ec86

SHA1 hash:

a0131a545b7bda712305935b11357a6437215f65

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/49f80a9b-75e6-4a5e-83d8-5742dafa245c/

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.

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_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_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.

Cape

https://www.capesandbox.com/analysis/12793/

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

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample