MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b10b71158bb79449f65666341c27da1066f2ba04d85ebc0971906dc8dbfc5f91. 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



VIPKeylogger


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: b10b71158bb79449f65666341c27da1066f2ba04d85ebc0971906dc8dbfc5f91
SHA3-384 hash: 7c6f318a902127f95f1b9ef59d3ec418000a7ab77cb64dca0078d4e51d9d03ec429790b05849a2b9e1679a1907f128a0
SHA1 hash: e5c7a7bf8b9e9beacc27230df607913d2ef0df17
MD5 hash: f5f2728f66eed23cd419810873280bd1
humanhash: enemy-alaska-bluebird-pasta
File name:PR2681-TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ_xlsx.exe
Download: download sample
Signature VIPKeylogger
File size:710'144 bytes
First seen:2025-03-18 10:46:35 UTC
Last seen:2025-03-18 11:41:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:r9NPINJhO5LEFT4yYnA2boYplZiE1RjJ9cNS7RM4U/iHtNp5OhtsURgIBLyF:RNPCO54FT4yYA2VZiE15Tg/qNNp4tp
Threatray 4'547 similar samples on MalwareBazaar
TLSH T125E412B853C9DB24ECA81B701A72E6B057B5BD8DE424C35A8AC9FCDB7C323146525393
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 VIPKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
496
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PR2681-TEKLİF İSTEĞİ - TUSAŞ TÜRK HAVACILIK UZAY SANAYİİ_xlsx.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-18 10:51:27 UTC
Tags:
autorun-sched

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
underscore shell virus 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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 capture screen (.Net source)
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1641652 Sample: 130_xlsx.exe Startdate: 18/03/2025 Architecture: WINDOWS Score: 100 51 reallyfreegeoip.org 2->51 53 api.telegram.org 2->53 55 2 other IPs or domains 2->55 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 81 13 other signatures 2->81 8 130_xlsx.exe 7 2->8         started        12 HlRNkzHAozFkr.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 77 Tries to detect the country of the analysis system (by using the IP) 51->77 79 Uses the Telegram API (likely for C&C communication) 53->79 process4 dnsIp5 41 C:\Users\user\AppData\...\HlRNkzHAozFkr.exe, PE32 8->41 dropped 43 C:\...\HlRNkzHAozFkr.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp7EFE.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\130_xlsx.exe.log, ASCII 8->47 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 8->83 85 Adds a directory exclusion to Windows Defender 8->85 87 Injects a PE file into a foreign processes 8->87 17 powershell.exe 23 8->17         started        20 130_xlsx.exe 15 2 8->20         started        23 powershell.exe 23 8->23         started        29 2 other processes 8->29 89 Multi AV Scanner detection for dropped file 12->89 25 HlRNkzHAozFkr.exe 12->25         started        27 schtasks.exe 12->27         started        63 127.0.0.1 unknown unknown 14->63 49 C:\ProgramData\Microsoft49etwork\...\qmgr.jfm, COM 14->49 dropped file6 signatures7 process8 dnsIp9 65 Loading BitLocker PowerShell Module 17->65 31 conhost.exe 17->31         started        33 WmiPrvSE.exe 17->33         started        57 checkip.dyndns.com 132.226.8.169, 49682, 49685, 49686 UTMEMUS United States 20->57 59 api.telegram.org 149.154.167.220, 443, 56638, 56644 TELEGRAMRU United Kingdom 20->59 61 reallyfreegeoip.org 104.21.112.1, 443, 49683, 49684 CLOUDFLARENETUS United States 20->61 35 conhost.exe 23->35         started        67 Tries to steal Mail credentials (via file / registry access) 25->67 69 Tries to harvest and steal browser information (history, passwords, etc) 25->69 37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2025-03-18 10:47:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
13 of 22 (59.09%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
b10b71158bb79449f65666341c27da1066f2ba04d85ebc0971906dc8dbfc5f91
MD5 hash:
f5f2728f66eed23cd419810873280bd1
SHA1 hash:
e5c7a7bf8b9e9beacc27230df607913d2ef0df17
SH256 hash:
a93a99c3cbffcf187432d9e696561e43308e12ba9258952294819063f4dfa20c
MD5 hash:
b917a3d17b3b3518550beab9e28c9b04
SHA1 hash:
6dad640b3411d2d1ce8a2f04a03205209b229381
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
18b31eacb720e1263205ef7a00073368a53825b289a0cb8f9d8dae5e5c4309ee
MD5 hash:
a52486262d781e5930443567fe5ffd59
SHA1 hash:
a8ca6f324eae479aa05efd0d98ffccde9988a584
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
9459b74f3be66755f3cc19c6ebb72fcf18b70d243d3db03a1a7989cd413a8df4
MD5 hash:
f2ead64ad50f5e5c05e0b23bac331b28
SHA1 hash:
b2c5caf9b7fcb230927f7c7ec083be424e06d82d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
SnakeKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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

VIPKeylogger

Executable exe b10b71158bb79449f65666341c27da1066f2ba04d85ebc0971906dc8dbfc5f91

(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

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