MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
SHA3-384 hash: ab53355e2a56e257b522c1ba6b3790502ee602bfbcee20925548d687b3d4f053eeeda0b3ac20713f07dc24a75a7af2d9
SHA1 hash: 31f0fb1d9f56c550dd5e57c8d2a4ef4eda7088c4
MD5 hash: db4a68595a233355c743a556ad897ecd
humanhash: seventeen-zulu-batman-connecticut
File name:ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
Download: download sample
Signature MassLogger
Create hunting rule
File size:653'824 bytes
First seen:2025-06-10 08:28:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:pbEltf7VyGAx3nicKYy1DaEXcefwIEUp1krjeki3T0nSlVnjzt9:pbElFPanibYQaEZfLEMQj8TOSrH
Threatray 1'283 similar samples on MalwareBazaar
TLSH T1A3D412245218DC22C4AA17B40DB2EABA2B7D5EDCE812C743CFED7EE7BC3A6491445351
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 :
1
# of downloads :
389
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
Verdict:
Malicious activity
Analysis date:
2025-06-10 09:11:10 UTC
Tags:
snake keylogger evasion stealer netreactor ims-api generic
Link:
https://app.any.run/tasks/dcd49b9c-8cb0-4039-9ab6-54d54d4018b0

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/8315/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6847ecee07b5e8c1cfe60773
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Restart of the analyzed sample
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
DNS request
Reading critical registry keys
Unauthorized injection to a recently created process
Blocking the Windows Defender launch
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8bbe04f4-4e8b-4aa4-8dee-21f1625bfe97
Result
Threat name:
MSIL Logger, MassLogger RAT, PureLog Ste
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1711737
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 threadpools to delay analysis
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711737 Sample: 8o7eSUe5H7.exe Startdate: 11/06/2025 Architecture: WINDOWS Score: 100 36 reallyfreegeoip.org 2->36 38 checkip.dyndns.org 2->38 40 checkip.dyndns.com 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 54 12 other signatures 2->54 8 8o7eSUe5H7.exe 4 2->8         started        signatures3 52 Tries to detect the country of the analysis system (by using the IP) 36->52 process4 file5 30 C:\Users\user\AppData\...\8o7eSUe5H7.exe.log, ASCII 8->30 dropped 64 Adds a directory exclusion to Windows Defender 8->64 66 Injects a PE file into a foreign processes 8->66 68 Uses threadpools to delay analysis 8->68 12 8o7eSUe5H7.exe 3 8->12         started        15 powershell.exe 22 8->15         started        18 8o7eSUe5H7.exe 8->18         started        signatures6 process7 file8 32 C:\Users\user\AppData\Local\Temp\newnew.exe, PE32 12->32 dropped 34 C:\Users\user\AppData\Local\Temp\ROLLS.exe, PE32 12->34 dropped 20 ROLLS.exe 14 2 12->20         started        24 newnew.exe 15 2 12->24         started        70 Loading BitLocker PowerShell Module 15->70 26 conhost.exe 15->26         started        28 WmiPrvSE.exe 15->28         started        signatures9 process10 dnsIp11 42 checkip.dyndns.com 132.226.247.73, 49692, 49693, 80 UTMEMUS United States 20->42 44 reallyfreegeoip.org 104.21.96.1, 443, 49694, 49695 CLOUDFLARENETUS United States 20->44 56 Antivirus detection for dropped file 20->56 58 Multi AV Scanner detection for dropped file 20->58 60 Tries to steal Mail credentials (via file / registry access) 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f/
Threat name:
ByteCode-MSIL.Trojan.Vipkeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-05-21 13:28:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vqnipd4cvgj4k5ir67cvn5edrdpf4m26mqblilpgwj622arkz5hq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
34247d28fcf043370191c1d262f69a4da9665736aa9a5de5ff03fa6a64c71b06
MassLogger
7652d55f845a4914f76058c418df4da0c65f7df5f0febb2aded459ae0b75be61
MassLogger
779065a001ee3006e880df587c823741e372eeeddbb5725dd53cb35349c79d89
MassLogger
7ac2afbdd0bdfed4481c49171a5c4e814a3ad878b8887fa2594a011620e49b3d
MassLogger
9654cbd553df628f50a99ec6f8b405901898c3c9eb99c8a3ba4fbd586290948b
MassLogger
ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
MassLogger
cb45d6a207ad4218619ad1b7e1001b55201894ef21f717588e5f3df5122c0583
MassLogger
ddc6b2bd4382d1ae45bee8f3c4bb19bd20933a55bdf5c2e76c8d6c46bc1516ce
MassLogger
error
MassLogger
+ 1'273 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery evasion execution spyware stealer trojan
Link:
https://tria.ge/reports/250610-kdpt9avnt7/
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
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Modifies Windows Defender DisableAntiSpyware settings
Malware Config
C2 Extraction:
https://api.telegram.org/bot7626939566:AAF7aLEqxRPkTJ__rK5VZGmqIrS4FLG2djw/sendMessage?chat_id=805410216
https://api.telegram.org/bot7944442205:AAGz48g2hOFFQ3_Ieaxuh08zFVzSCec2-xA/sendMessage?chat_id=8008584601
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0b5af4f6-4bc3-47e4-a76b-995df9632277
Unpacked files
SH256 hash:
ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
MD5 hash:
db4a68595a233355c743a556ad897ecd
SHA1 hash:
31f0fb1d9f56c550dd5e57c8d2a4ef4eda7088c4
Link:
https://www.unpac.me/results/e3b7d0cb-2c9f-4610-9065-fc82813014cb/
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
Link:
https://www.unpac.me/results/e3b7d0cb-2c9f-4610-9065-fc82813014cb/
SH256 hash:
2dda5bb915878cc5958298d8a09608b9aece0f918b01485dae18a47540e007df
MD5 hash:
2d65eb77f7107cbec96aa209c10b2dbd
SHA1 hash:
3177d4b7b74635644bb5a701457c3ea2f66f9ee0
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Link:
https://www.unpac.me/results/e3b7d0cb-2c9f-4610-9065-fc82813014cb/
Parent samples :
ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
eade91a91cfb37da846b62e7b1d25060446ebffaa32f119b844276c0bb28b5ff
3d59374d5e5093053ae37007061ab0d17c964d40d6917345b162acc2334b3e76
SH256 hash:
6f3dc14d124404fa819b5e63a4df8b0ed527ac6509cc05c786d2c1132fefc182
MD5 hash:
73e1b44218b4ff80adc77165407d72f8
SHA1 hash:
7b467cf8f250687920213af1843673692e1f9deb
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Link:
https://www.unpac.me/results/e3b7d0cb-2c9f-4610-9065-fc82813014cb/
Parent samples :
ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f
eade91a91cfb37da846b62e7b1d25060446ebffaa32f119b844276c0bb28b5ff
3d59374d5e5093053ae37007061ab0d17c964d40d6917345b162acc2334b3e76
SH256 hash:
555fc8c09676ad09deaa26367923edb3bd8d8a44d79b3b5080916e8ccb038c62
MD5 hash:
df822c6b92357204698e1c7baec3571e
SHA1 hash:
f286c133c6b761053b3d3edb3d8cd60954b7af9f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/e3b7d0cb-2c9f-4610-9065-fc82813014cb/
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/ac1a878f82a993c57511f7c556f48388de5e335e6402b42de6b27dad022acf4f

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
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
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)

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/8315/

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 (HIGH_ENTROPY_VA)high

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