MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
SHA3-384 hash: accf61a095280e84dfbfacbf52eb90bf55b02d17a14b50990ce812b837be8e92125adb73853d17bd03583e6c3f7bfa77
SHA1 hash: 8c807291fa96260b93f50f050a65c6c9f8ce33e1
MD5 hash: bb69f0df22d444c6ab4af6f2bdc3fc7c
humanhash: high-eleven-winter-monkey
File name:8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'006'592 bytes
First seen:2026-05-08 12:27:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'070 x AgentTesla, 20'026 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:/UxHClDW0oP6DFqueqsU9ILY+cdROt7EBRawp8q5AqSJ8gE9/0oSJJSHw:/UxHODW9SA+s13fwJAqSy79/XqUw
TLSH T19C25E05823A8EF02C4AB6BF41970D37447F56D999422E30B9EE17DEBBD3970169043A3
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.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 :
1
# of downloads :
62
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/479677ad-a2c8-4de6-bc85-f84785f207a6/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-08 14:36:29 UTC
Tags:
susp-lnk auto-startup stealer evasion snake keylogger
Link:
https://app.any.run/tasks/fc05f5bf-d81b-4244-9ad9-5c75d048c4c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/64993/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389-2.UNOFFICIAL
Create hunting rule

Win.Packed.Malwarex-10059921-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed tracker vbnet
Link:
https://www.filescan.io/uploads/69fdd76a86e92bda70247604/reports/3d3b09f6-5b4a-4325-b6ab-15b75ceb49fc/overview
Verdict:
Malicious
Labled as:
VIPKeylogger.Generic
Link:
https://www.hybrid-analysis.com/sample/8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-01T09:20:00Z UTC
Last seen:
2026-04-03T06:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4b50ee59-0f26-4ac3-9870-71248da0e936
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c/
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2026-04-01 13:32:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rib22jnzf2tg3e2oqpsja4vy3uiuppnht7afpm4pvsfkv6cqkzwa._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
Link:
https://tria.ge/reports/260508-ppzk2sgz7z/
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
Drops startup file
Family: MassLogger
Unpacked files
SH256 hash:
8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
MD5 hash:
bb69f0df22d444c6ab4af6f2bdc3fc7c
SHA1 hash:
8c807291fa96260b93f50f050a65c6c9f8ce33e1
Link:
https://www.unpac.me/results/f676dfdd-73e3-4564-80ca-2f925a1160ca/
SH256 hash:
7330fe1b40667d8ca67394f472d151f08abc0774a6d5b1b064bc6f26463a0244
MD5 hash:
bbf2b7752065c505815ffef5dc70f676
SHA1 hash:
39810436a474a614f136acc140e60c09ab7e955e
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
triage_snakekeylogger_infostealer
Create hunting rule
Link:
https://www.unpac.me/results/f676dfdd-73e3-4564-80ca-2f925a1160ca/
Parent samples :
d7fde69a82dd7aabc7582e97f6906ff0ee92ed4ead6a2486d7c19c6807206a9d
f91e05ca439cfe5e0e7bc5d552d9157ab449c10cd0680e6cdd1d038a3eba687c
baa7fa2f8240a086a67d051d75a007f1d015fab766b850e6cac60533323b6d85
58a5531bd59d978ac4da691ff92bc8e321a5e58200f66c10046b2e7c2edd07f4
8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c
692a4df2ae72a96a0451e5a4f8fcada0801e89fe8ee76f71c94df11ac8700e55
SH256 hash:
1c21b633c61803811bdc294a266ec52a267350d5cbced4257dfe97bd31d1a491
MD5 hash:
f03404aaee6fa7b6c1475b1332dd9c6a
SHA1 hash:
66939fa677792ce3dc67174d5d2882176dda9cac
Link:
https://www.unpac.me/results/f676dfdd-73e3-4564-80ca-2f925a1160ca/
SH256 hash:
4447fe8d112e6455f2dc2764ef66df2e8b028838c99706f2c565058d08d1bac4
MD5 hash:
a12cf68b20113c7325bcdefc4dfd9fa0
SHA1 hash:
a4d8c80cfccf2e0d45299a0de1d59520a7e3ab85
Link:
https://www.unpac.me/results/f676dfdd-73e3-4564-80ca-2f925a1160ca/
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a03ad25b92e/report/overview.html
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/8a03ad25b92ea66d934e83e49072b8dd1147bda79fc057b38fac8aaaf850566c

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/64993/

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