MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb
SHA3-384 hash: 18552419b7133306b0b2e4918720d13855a6d0e7bac63d4ff74cba1e95234c44620003e90ba42d838204688283424a82
SHA1 hash: 63315f8b521294af405f13b9c5f799594618bca8
MD5 hash: f42f3f9269b9ce09c215ab481989bc76
humanhash: freddie-texas-uniform-snake
File name:HUROK PO-3 - F-070225-1 - PROFORMA INVOICE.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:544'776 bytes
First seen:2025-03-17 12:16:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:BPvglvcNQwlkkuPPv8YI+/UtIDbkHdapqv45EkR:BPvgFcl2PPv8R1AglAV
TLSH T1D8C4F060A6A9C517DEA217F41671F2B11375AEBCB820D3DA8EDCACDB70813207B04367
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
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
429
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HUROK PO-3 - F-070225-1 - PROFORMA INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2025-03-17 12:31:06 UTC
Tags:
snake keylogger evasion autorun-sched stealer
Link:
https://app.any.run/tasks/48e36abc-5eef-46be-a721-4462c2fc410f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d823d808116ce42571c8ed
Tags:
kryptik shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/96abd77b-1e89-4fd9-8ac9-b8d9fb7fd934
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/1640594
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
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: 1640594 Sample: HUROK PO-3 - F-070225-1 - P... Startdate: 17/03/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 13 other signatures 2->64 8 HUROK PO-3 - F-070225-1 - PROFORMA INVOICE.exe 7 2->8         started        12 VvdLAX.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 46->62 process4 file5 38 C:\Users\user\AppData\Roaming\VvdLAX.exe, PE32 8->38 dropped 40 C:\Users\user\...\VvdLAX.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE535.tmp, XML 8->42 dropped 44 HUROK PO-3 - F-070...RMA INVOICE.exe.log, ASCII 8->44 dropped 66 Adds a directory exclusion to Windows Defender 8->66 68 Injects a PE file into a foreign processes 8->68 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 HUROK PO-3 - F-070225-1 - PROFORMA INVOICE.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 24 VvdLAX.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 72 Loading BitLocker PowerShell Module 14->72 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 132.226.8.169, 49720, 49722, 80 UTMEMUS United States 19->52 54 reallyfreegeoip.org 104.21.112.1, 443, 49721, 49723 CLOUDFLARENETUS United States 19->54 34 conhost.exe 22->34         started        74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 36 conhost.exe 26->36         started        signatures9 process10
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb/
Threat name:
Win32.Trojan.SnakeStealer
Create hunting rule
Status:
Malicious
First seen:
2025-03-17 09:17:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=awxvu267432rrrwh7xxrnfhdv62hpfr3453que4tnivjhq66lxfq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250317-pf3lcasqs8/
Behaviour
Scheduled Task/Job: Scheduled Task
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:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/b314d9b1-a8c1-46a5-9c39-569bb5929a68
Unpacked files
SH256 hash:
05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb
MD5 hash:
f42f3f9269b9ce09c215ab481989bc76
SHA1 hash:
63315f8b521294af405f13b9c5f799594618bca8
Link:
https://www.unpac.me/results/548c6f19-273c-4ddb-bffb-848cf080f72c/
SH256 hash:
74d5cefc538a1a422883badf9caa947b48e7641adeb40e0703d12507c49bf96a
MD5 hash:
3e66e7ccfe4c1484d96bd2e3c27d4570
SHA1 hash:
3ff015d9c173f0a54d7cffac3d87c8aa8ea46f3e
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/548c6f19-273c-4ddb-bffb-848cf080f72c/
SH256 hash:
95a7e893c5d4fdf1e911bb4012f70198730ec6c69f6920a34cd0e14c4de26def
MD5 hash:
090397d898580d61182a1c98df074646
SHA1 hash:
b745affd9a1dc79cb8c370df02a36ac87f0a8464
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/548c6f19-273c-4ddb-bffb-848cf080f72c/
Parent samples :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 hash:
51ea9157b7cae4cdee16d6007e949dfdf833de7715f4b0bfbdd91b9cd1b5a82a
MD5 hash:
87b522966f156f38d9ff9fb09fe89ce2
SHA1 hash:
e0cf3a26b03e8affa99961cf95e9d5342cc5f98c
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/548c6f19-273c-4ddb-bffb-848cf080f72c/
Parent samples :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 family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/05af5a6bdfe6/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/05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 05af5a6bdfe6f518c6c7fdef1694e3afb477963be7770a13936a2a93c3de5dcb

(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