MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac. 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: 14

Intelligence 14 IOCs YARA 16 File information Comments

SHA256 hash:	f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac
SHA3-384 hash:	2cb1643233d464e4c3f86d274d9c34f3759be63dd4823784f3d8144818bdbd600bffbb7c4756a5ead3144f8b75d30ccd
SHA1 hash:	3deb740ab0e4fc48a341cb82609aaee393735da4
MD5 hash:	7313fff180d481653316e8d8adc2f6d0
humanhash:	burger-venus-yellow-papa
File name:	doc2dQie.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	657'920 bytes
First seen:	2025-04-07 07:37:51 UTC
Last seen:	2025-04-14 13:10:12 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:skrogmWP9f1OxydpD9aGlVFn49yuEola/vR2nClNFQDFOkAQGp:VtlsxydlV/uO
Threatray	3'703 similar samples on MalwareBazaar
TLSH	T1E5E4BE983650F58FC857C9729E64DE74A6206DAA9307D30391EB2DAFBD0D887DE041F2
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	30f0cccececcf030 (8 x SnakeKeylogger, 3 x MassLogger, 1 x AgentTesla)
Reporter	adrian__luca
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

1'379

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/970/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67f380e5a695a0cd1fab97ac

Tags:

backdoor virus krypt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated obfuscated packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/67f380e16258a97207fbd7e9/reports/a1d2fe1c-0e60-40d6-8781-2af6b35d5975/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/54dbab5d-7d86-4ea1-bbef-3c37faf092ae

Result

Threat name:

MSIL Logger, MassLogger RAT, PureLog Ste

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1658059

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

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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)

Yara detected AntiVM3

Yara detected MassLogger RAT

Yara detected MSIL Logger

Yara detected PureLog Stealer

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-04-04 04:51:09 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7bzdtpixisj5fm6r4vyks7eulvim4anx4srlciucfn7pt7dzvswa._file

Verdict:

malicious

Label(s):

unc_loader_037

novastealer

MassLogger

431062b66c0d6b55b34049aa675cbd69534b1680cf60578f57cebacf9d4d5bb9

MassLogger

4b3ed5cefa81dc79adf5fc75cbe448da1b89f9937e642fac40b4295714d2aad3

MassLogger

80edf30940ba58cb632cb8b5bbed7f57df1dbc9c682ddc744b9ed44af3583db8

MassLogger

+ 3'693 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

collection discovery spyware stealer

Link:

https://tria.ge/reports/250407-jgfv3ssygw/

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

Verdict:

Suspicious

Tags:

404keylogger

YARA:

n/a

Link:

https://app.threat.zone/submission/52044591-837a-4239-9deb-c1187293ed85

Unpacked files

SH256 hash:

f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac

MD5 hash:

7313fff180d481653316e8d8adc2f6d0

SHA1 hash:

3deb740ab0e4fc48a341cb82609aaee393735da4

Link:

https://www.unpac.me/results/31df5cfb-cfc5-4a1e-bb55-487208dd900b/

SH256 hash:

b95bdf5d6a0dcd59d1838e4d4dd0819b959e895a8d43638d7c1f8e77eea3bfbe

MD5 hash:

ca46d789f5daddd29d3961cdd731d8ab

SHA1 hash:

05a643052a83502938a2d08981367395042884b6

Link:

https://www.unpac.me/results/31df5cfb-cfc5-4a1e-bb55-487208dd900b/

SH256 hash:

21d7075d305ae62a9bad04f1130971506124e93485dd71cf4e48a41d10d94689

MD5 hash:

64bfcaa9df9a4a3db08af21802ee0632

SHA1 hash:

b51a6fe2318f718a0c1372f63741b78cd991b80b

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/31df5cfb-cfc5-4a1e-bb55-487208dd900b/

SH256 hash:

b13b374da798371dafe66d50b29266e5fe42f40737cb5d54b7d2ef2b3b01cf73

MD5 hash:

220c0f0e3aef0910ed2c170ef5afa52e

SHA1 hash:

f0e0e616618ddea182482c50e65fc010a73c5b84

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/31df5cfb-cfc5-4a1e-bb55-487208dd900b/

Parent samples :

69399f96737f87f2fed08cc2f632fe6099a09e53e453beb8a04bf652d76cf021
3273a94d52018736cda72d20b5a1d187479d4a6f41a178d27ca12a21ad922f07
f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac
a391bb999d34e0e74fe05c157756e1d40d083a84f7c78f822fc0c42a44f99dae
9eee28cce69f0cecb50e56a5816b04ec51bce18c0ec622f855d1298b8c5c0fdb
ad39ce838d5675f72507af938244271c015e66005fecffa8323843d374fa5efd

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/f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac

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_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 f87239bd174493d2b3d1e570a97c945d50ce01b7e4a2b122822b7ef9fc79acac

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/970/

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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