MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546. 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: 794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
SHA3-384 hash: d4f04d484ca5fc78848628a5b7481a797fdf005ba2a32d052bcbbb31b7600677ea43a04bafe72e630a250c40a594edb7
SHA1 hash: e0e1898a3761be06484f4ad9a5cfa0681bca2c6e
MD5 hash: 2d8fd8864560c064504709aa1b21d1ab
humanhash: august-maryland-winner-east
File name:bcmkHEAtULXzRyG.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:515'584 bytes
First seen:2025-03-10 12:52:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:DjybI1JDRpFPuSskbMq9u36BDBUMHg0xLd4lS6bvLnWYSc0nhgJWZ4b89gLo1jAg:ffaqn9Uyd4lxSYh4gWZ4xo1jAtgeD
Threatray 4'596 similar samples on MalwareBazaar
TLSH T119B4F254B55DDF72DEE507F00922E23603A99FAEE421C35A4DEBACF73421B561848B83
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 lowmal3
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
355
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bcmkHEAtULXzRyG.exe
Verdict:
Malicious activity
Analysis date:
2025-03-11 00:12:48 UTC
Tags:
evasion snake keylogger stealer
Link:
https://app.any.run/tasks/01f2892c-22fd-4809-b4f3-bed6c75bd6c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cefb040d1b39e3a208c596
Tags:
backdoor shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67cee0bd3c5f644bd94b391d/reports/d08c5bae-257c-4a41-b153-801634a24232/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
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.
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633925
Signature
.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
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 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)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1633925 Sample: bcmkHEAtULXzRyG.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 26 reallyfreegeoip.org 2->26 28 checkip.dyndns.org 2->28 30 checkip.dyndns.com 2->30 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 44 10 other signatures 2->44 8 bcmkHEAtULXzRyG.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 26->42 process4 file5 24 C:\Users\user\...\bcmkHEAtULXzRyG.exe.log, ASCII 8->24 dropped 46 Adds a directory exclusion to Windows Defender 8->46 48 Injects a PE file into a foreign processes 8->48 12 bcmkHEAtULXzRyG.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        18 bcmkHEAtULXzRyG.exe 8->18         started        signatures6 process7 dnsIp8 32 checkip.dyndns.com 193.122.6.168, 49687, 80 ORACLE-BMC-31898US United States 12->32 34 reallyfreegeoip.org 104.21.96.1, 443, 49688 CLOUDFLARENETUS United States 12->34 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Loading BitLocker PowerShell Module 16->54 20 conhost.exe 16->20         started        22 WmiPrvSE.exe 16->22         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 10:36:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pff7ccyxoqrykurwjqjzlvkyu2jwd4xoyfzh7va7g3fo73j2uvda._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
081ac62c1a586905a31013cde41b73255650a037652c9eafcc58b801d1853c1c
MassLogger
0c0971539edbe03cca06bcaf61f5041d99a4056d20190f582de50a87e8a3c6ce
MassLogger
a883ec7d3df1913ccd847c0ab5d521170adb967cb09cd5b3845e04b50aa4240c
MassLogger
aac33041fefe8ce37a64b94c622ee3c8c5c3e19018f09df1421f8b7f4e5bffc6
MassLogger
b05e5ee243b2262ccc4a0bd0aeb9e95d2dab3f6dcd0dae097621ec3bee8a0040
MassLogger
error
MassLogger
+ 4'586 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250310-p382msvzby/
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/14071c4c-655c-4ea1-933d-d2ea3235504f
Unpacked files
SH256 hash:
794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546
MD5 hash:
2d8fd8864560c064504709aa1b21d1ab
SHA1 hash:
e0e1898a3761be06484f4ad9a5cfa0681bca2c6e
Link:
https://www.unpac.me/results/0b40bf04-dbbe-4e7c-aaf8-d6841552541b/
SH256 hash:
1ae70e9920316346f39648486fe46b70ea00f90b9595cfc0a78958cee45b9224
MD5 hash:
f0884d03aca538d5f2b208d9aaf7874c
SHA1 hash:
132212e8a27c756ae62d926f6b62c91e226e768a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/0b40bf04-dbbe-4e7c-aaf8-d6841552541b/
Parent samples :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 hash:
a61fbe84a8249c28493f3500b090532c4ebedaedc335c3ac14ea6a2587ec1e38
MD5 hash:
ab1a513e370ed9d07fc4c1dad8246109
SHA1 hash:
8ea9e15c374a9663d1b516a4cd0d1172bd2874d7
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
Link:
https://www.unpac.me/results/0b40bf04-dbbe-4e7c-aaf8-d6841552541b/
Parent samples :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 hash:
0f7cd080d060bf768971d3308e664e16169a5b304dbfec507d6881345b360601
MD5 hash:
d9b360814cdffedbf96f69073fd3045d
SHA1 hash:
ff4c6424c709ae67313f96f66c6c9d2b0dd52d5e
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/0b40bf04-dbbe-4e7c-aaf8-d6841552541b/
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/794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546

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: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.

Malspam

MassLogger

Executable exe 794bf10b1774238552364c1395d558a69361f2eec1727fd41f36caefed3aa546

(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 (HIGH_ENTROPY_VA)high

Comments