MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7efba5bdd57a190663d38a52ff71b525874b832cce859895adf688e9d5c41d7e. 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
| SHA256 hash: | 7efba5bdd57a190663d38a52ff71b525874b832cce859895adf688e9d5c41d7e |
|---|---|
| SHA3-384 hash: | 1517ad6ecb8deacc15943f0b8349bfe06cac162d89c910a197e52d32354d815fb85fc8e495f6c4aebe7b4d34e41e9f7d |
| SHA1 hash: | fd435b0a8bcd46d3bc0d9b24c8eee4bd60157ddb |
| MD5 hash: | 23b039f0c83b95c35f3ab5c1dbcd79c9 |
| humanhash: | crazy-lamp-charlie-fix |
| File name: | ungziped_file |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 877'568 bytes |
| First seen: | 2026-02-09 10:17:34 UTC |
| Last seen: | 2026-02-09 11:25:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'742 x Formbook, 12'286 x SnakeKeylogger) |
| ssdeep | 12288:VWGiUYFrFWiVuhgFwSsHZpfU1EWILUUIcfQdN1xI15mIExL31WtZHSN9G:PYvVmNLpfU7IjIgUNEvmIEl1W |
| Threatray | 2'123 similar samples on MalwareBazaar |
| TLSH | T11715D0D13B267716DE6C49309525DDB987B62DA8B000FAE62DDC378734BE211AA1DF03 |
| 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 |  adrian__luca |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
137
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
_7efba5bdd57a190663d38a52ff71b525874b832cce859895adf688e9d5c41d7e.exe
Verdict:
Malicious activity
Analysis date:
2026-02-09 10:20:23 UTC
Tags:
auto-startup evasion snake keylogger stealer susp-lnk
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
92.5%
Tags:
autorun spam
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-08T22:08:00Z UTC
Last seen:
2026-02-11T07:10:00Z UTC
Hits:
~1000
Detections:
VHO:Trojan-PSW.MSIL.Reline.gen Trojan-Spy.Agent.SMTP.C&C Trojan-Spy.MSIL.BPLogger.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-Spy.MSIL.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Agent.sb HEUR:Trojan.WinLNK.Powecod.e
Malware family:
Snake Keylogger
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.SNAKE
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-02-09 02:34:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 36 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 2'113 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Unpacked files
SH256 hash:
7efba5bdd57a190663d38a52ff71b525874b832cce859895adf688e9d5c41d7e
MD5 hash:
23b039f0c83b95c35f3ab5c1dbcd79c9
SHA1 hash:
fd435b0a8bcd46d3bc0d9b24c8eee4bd60157ddb
SH256 hash:
75746b68694e7fc3a1384f4ddafb36b675516d1855b4d0eb4a37fefd0c80a32c
MD5 hash:
15cdde426009768935494d7131fe4f0a
SHA1 hash:
81f0fcd13c62d614bb866388c69d643327397880
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
0a780a1c42a5776049b0c3c7a82d6b83e2278dce05782fa6fa4c0394004d729e
MD5 hash:
89595c1c724ecb4cd08b64076374ed11
SHA1 hash:
ac2d5af4f73ce9315f546bedf6c761169c4d0ba3
Detections:
win_404keylogger_g1
win_masslogger_w0
MAL_Envrial_Jan18_1
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
1c56b9b0836a8add32b2ad88e811ba617f61057a06cc63b349ff32b55590bc8b
MD5 hash:
ed95cab52cba14268b34d5e1b90b87c6
SHA1 hash:
e972fab1df95742615618b7433c9ee4850a10db6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Malware family:
MassLogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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