MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0. 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: 7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0
SHA3-384 hash: a02a77d088f2f841f0e660710f3a4f82138523a2d8543923cb9f57918c41ae8f1f48857b1477595ad7edd9fd2c14e9aa
SHA1 hash: 4233186d6b7146e7d43ba8c6dd6d80d4ee66918b
MD5 hash: 1761ef7ed51ffcb538bf083f85e3181d
humanhash: hotel-zebra-texas-fish
File name:18.exe
Download: download sample
Signature MassLogger
File size:540'160 bytes
First seen:2025-08-06 11:08:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F3NJst29ivhvY/IkSGO9shEzmWgnWEz+oYq25gEeDqd:dNet26yW9GWgnX+oY1s2
Threatray 3'661 similar samples on MalwareBazaar
TLSH T1E5B402662554C957D4902BF185B3E339037C1D5EE642D30EEBEEBDEB391F2614A28382
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 d9b8e8e8e96982ce (6 x SnakeKeylogger, 4 x AgentTesla, 4 x Formbook)
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0.exe
Verdict:
Malicious activity
Analysis date:
2025-08-06 11:09:18 UTC
Tags:
evasion snake keylogger stealer ims-api generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.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 Telegram RAT
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-08-05 12:58:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
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/bot8102271568:AAFMLIpgRl9Y9-vMi-6yfKv0hWCLCK72Wzo/sendMessage?chat_id=7162179174
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Unpacked files
SH256 hash:
7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0
MD5 hash:
1761ef7ed51ffcb538bf083f85e3181d
SHA1 hash:
4233186d6b7146e7d43ba8c6dd6d80d4ee66918b
SH256 hash:
d89e13df31fd5a3d102febe07b87a8d35c6e04dea12c77c0574126654bf43007
MD5 hash:
9c7c5e5cdb6b6cb0300f72c8689d2234
SHA1 hash:
2943a414d4359a09f56e73c86e55fa47a541a30f
SH256 hash:
3d19bd09fb9821162915c978f003e0f141e14f98520240d3e2c2175fb8cfa973
MD5 hash:
cdf12649ff7915b20d32f81df04ac955
SHA1 hash:
7c329b8c1cd61e8bd9c0bd35b9d08956817da2d9
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b626b022d19120f29057d24a24284f5e0db0966c695fcddd48c559e007344d05
MD5 hash:
75badf051f3591d563ffcdb6dd396094
SHA1 hash:
9529a1ce091b7c591b9acb42a5569dfda85f09fd
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Malware family:
MassLogger
Verdict:
Malicious
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
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

MassLogger

Executable exe 7a5543f6686b1fd9aed2ab28a668e52a5e2e279eb07335e2c0f2f41b8d8f29b0

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments