MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa. 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: 16

Intelligence 16 IOCs YARA 18 File information Comments

SHA256 hash:	b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa
SHA3-384 hash:	c3e357c8300479004c85493c0a87d7600bfc51bd6b5a0878f0761c92cad45bb96ada25f12a19191356f71e3baea0245b
SHA1 hash:	ad1303c43216936b3e8b11de5083697db2620e20
MD5 hash:	4947f452082bd2777d7dc32cf51035e5
humanhash:	colorado-black-king-music
File name:	FORTUNE RICH_PARTICULARS.pdf.scr
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	222'720 bytes
First seen:	2025-01-07 04:01:23 UTC
Last seen:	2025-01-07 04:57:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:+rIOgeLRN9KkUFBlFdXcowGj8VJx72TJEJ2WTi56q51vb4:+rIOgelGrfgGjQJ2km
Threatray	128 similar samples on MalwareBazaar
TLSH	T19824E6153795412DE569EEB894510BC22FBFBB1EA02F770C7B0CE466F6892CD0582A1F
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
File icon (PE):
dhash icon	00586cb46a323600 (3 x MassLogger)
Reporter	threatcat_ch
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

504

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

FORTUNE RICH_PARTICULARS.pdf.scr

Verdict:

Malicious activity

Analysis date:

2025-01-07 04:03:29 UTC

Tags:

evasion snake keylogger stealer

Link:

https://app.any.run/tasks/58c7f148-33cd-4ce0-9c5d-2524739d59d8

Note:

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

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.21579.28039.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=677ca810c029bd73f284fa1e

Tags:

underscore backdoor extens micro

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

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

Blocking the Windows Defender launch

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed packed packer_detected

Link:

https://www.filescan.io/uploads/677ca73c212309a703975901/reports/3051276d-836f-4662-babb-12f78e8da4e5/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

Result

Verdict:

SUSPICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Snake Keylogger

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7d0e466b-e0a1-417b-8dc1-ef73c25a6e0f

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1585108

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Machine Learning detection for 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)

Uses an obfuscated file name to hide its real file extension (double extension)

Yara detected MassLogger RAT

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa/

Threat name:

ByteCode-MSIL.Trojan.MassloggerRAT

Status:

Malicious

First seen:

2025-01-07 04:02:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wl4izohrkswf2zpkmys4viusedkylqmtjzppnfsdttqx3lunbt5a._file

Verdict:

malicious

Label(s):

snakekeylogger

MassLogger

2a47814324ff25a37d975085cf9d1a0efd993b51179d2d7cae9bdd31d48b7e5a

MassLogger

80b3c8d9dcccf09f2cd697875d417ecfd90dc7ce3132ef10bc5d6f48510d19da

MassLogger

b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

MassLogger

b74937d0f19896f2d3256daf121395e8fcea20c8a509fac8fd5ebb95306fd00b

MassLogger

be9412060a9d41f496e907a637096255fa848a8ecb4bb4b35043f2e71ca871f6

MassLogger

error

MassLogger

+ 118 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

collection discovery spyware stealer

Link:

https://tria.ge/reports/250107-elscfstkaz/

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/473f5ba4-c88e-4c9c-bd75-451e1a629872

Unpacked files

SH256 hash:

c32b1ddf060f27e99a32670ba7fadd6f8855b1e19a4cdfd450ed886ef88c93c3

MD5 hash:

2af6cbb892b2a2515c3018b97c28bbf5

SHA1 hash:

cbd37af96de7654fccd06b0a02279a1107606514

Detections:

win_masslogger_w0

win_404keylogger_g1

MAL_Envrial_Jan18_1

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

Link:

https://www.unpac.me/results/8a5fcf1a-cba7-473c-a516-51b064be6fed/

Parent samples :

b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa
72bcc45094526e37f7275f87dff9c249a26242414fe30f13d6d5359e0b7fbcac
c2c192862a68990222cacb9279cacf63370b015a429d2c39d94cbe15cf987388
8c98088aa44045c4b7a4a7bebe5d98480fe5cad627b772554ebd0a324cafa37c
3cfe012c870ebeb15a1288b7cdb3b50016e2329c7fbd63ef18f189727269d49c
7e430da9854a73aeac41d86bd6a225ec27cc681188eb70ef5eec80f737a41a91
f7c651df3bbe493431c583ee9b03a6b3c3f2fc3f6e69dd5d4ea05a75290c2254
14d370a69c8c075b14a411301bc9137d1db0683ac4ff480d25404d9f81533f66
7cbf555d0e0fada3a65efae70663a4fe2bc05d845ad533dab8da8d057b2cac7b
0c7f0ad6c4027b182c902c65592f3efa5e66e5df3904b7ff4fe884789d586d7a
fcf5a2325bf9e4d16d628bb0ead95aa587c893347f25f897e9c5ed76759bd65f
44e71677c27a5f4e7435fe0430b865138504421d206c864ca8a1dc7ca3ebe9db
c0fe9c63478075193c956996fbd557829d55bd9ab800c9a7f4857a77007cbdc3
8c4aa3de23af80966c9a5c8911daebe824bb252bc659a548535e6cf94b2d9ed9
b6d1bbc15f5ae144e4801f8188cbe4768f3ba42e2c4dd56f42a7fa5ec9638460
ffcdb62a0cc1adb7700c13310a3234fa7b25d0981a97ad089a7433c60e7f5188
b3752b8138360ee7ab6f3583c942f1d2ee806f7ede9123ada34abbf27a055633
e9dcf2288b4adbbfe01de0f952df0f050ef533fa151e77b786ceee577f51a079

SH256 hash:

e8ebfda634e10c24642537582e256449074acdf2ac5ea827b81818c111111993

MD5 hash:

5b29dbce9331e1456dcac2b8f087dfd2

SHA1 hash:

702f2aef816d7ed31559640a56919a19c0c9cc51

Link:

https://www.unpac.me/results/8a5fcf1a-cba7-473c-a516-51b064be6fed/

SH256 hash:

fd7b0c9b5e3a93a3a7e705ea3f0884a62f924e30080ca3de123f6df59d92b888

MD5 hash:

6b238b00cf95b4f3dc9224305b8f3f26

SHA1 hash:

6a2c87e5631003332aa157052158c9f27c37e4d8

Link:

https://www.unpac.me/results/8a5fcf1a-cba7-473c-a516-51b064be6fed/

SH256 hash:

b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

MD5 hash:

4947f452082bd2777d7dc32cf51035e5

SHA1 hash:

ad1303c43216936b3e8b11de5083697db2620e20

Link:

https://www.unpac.me/results/8a5fcf1a-cba7-473c-a516-51b064be6fed/

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/b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

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:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

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_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

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 b2f88cb8f154ac5d65ea6625caa29220d585c1934e5ef696439ce17dae8d0cfa

(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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