MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
SHA3-384 hash: 9f00cb2c949bda2319450440c8f94016c474016bf676cde1935479adedfd650169597edf623c43bcbc17ccb7a584e1d2
SHA1 hash: ee52062d05ff64cb7fc57bc647535929cbe856d9
MD5 hash: 4e4fb45c99a574849a086232116f8bfc
humanhash: yankee-high-lion-lion
File name:PO202501F.exe
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:735'840 bytes
First seen:2025-01-17 08:38:06 UTC
Last seen:2025-01-20 11:47:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ce892e0a1e55ad6398810c351751078d (1 x VIPKeylogger)
ssdeep 12288:Aoe7DH/meETdAAHOPaLsegLyjR0SxJxycahXjIC72:g7DQAC0aLoL8RNrycahTt72
Threatray 1 similar samples on MalwareBazaar
TLSH T196F419D396618460E8F3C33B44353812B873B5895EB0DD9A72977E2E9F5B346B017B82
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter cocaman
Tags:exe signed VIPKeylogger

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2025-01-17T02:22:57Z
Valid to:2026-01-17T02:22:57Z
Serial number: 14311618dc84870fba6068d335a92d0c
Thumbprint Algorithm:SHA256
Thumbprint: 6e9bdf2ca53b182e0ca99a02d67f0285470275014a0b06d4add3cc1252be3a2a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
529
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO202501F.exe
Verdict:
Malicious activity
Analysis date:
2025-01-17 08:47:54 UTC
Tags:
snake keylogger crypto-regex evasion telegram stealer
Link:
https://app.any.run/tasks/bb71edf0-7fa1-43a5-af48-fd6fa66beddc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.10813.32669.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678a16f64487910100dfbf38
Tags:
dropper virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Labled as:
Win64/Kryptik_AGeneric.MN trojan
Link:
https://www.hybrid-analysis.com/sample/b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1b2e9696-3ca7-433c-abc2-af2820675a74
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1593524
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Creates multiple autostart registry keys
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1593524 Sample: PO202501F.exe Startdate: 17/01/2025 Architecture: WINDOWS Score: 100 64 reallyfreegeoip.org 2->64 66 api.telegram.org 2->66 68 2 other IPs or domains 2->68 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 84 8 other signatures 2->84 8 SecurityAgent.exe 1 5 2->8         started        12 PrintUtility.exe 2->12         started        14 SystemScheduler.exe 2->14         started        16 3 other processes 2->16 signatures3 80 Tries to detect the country of the analysis system (by using the IP) 64->80 82 Uses the Telegram API (likely for C&C communication) 66->82 process4 file5 40 C:\Users\user\AppData\...\PrintUtility.exe, PE32+ 8->40 dropped 42 C:\Users\...\PrintUtility.exe:Zone.Identifier, ASCII 8->42 dropped 86 Multi AV Scanner detection for dropped file 8->86 88 Creates multiple autostart registry keys 8->88 90 Writes to foreign memory regions 8->90 18 AddInProcess32.exe 2 8->18         started        21 conhost.exe 8->21         started        44 C:\Users\user\AppData\...\AudioService.exe, PE32+ 12->44 dropped 46 C:\Users\...\AudioService.exe:Zone.Identifier, ASCII 12->46 dropped 92 Allocates memory in foreign processes 12->92 94 Injects a PE file into a foreign processes 12->94 23 AddInProcess32.exe 12->23         started        25 conhost.exe 12->25         started        48 C:\Users\user\AppData\...\UpdateHelper.exe, PE32+ 14->48 dropped 27 AddInProcess32.exe 14->27         started        29 conhost.exe 14->29         started        50 C:\Users\user\AppData\...\SystemScheduler.exe, PE32+ 16->50 dropped 52 C:\Users\user\AppData\...\SecurityAgent.exe, PE32+ 16->52 dropped 54 C:\...\SystemScheduler.exe:Zone.Identifier, ASCII 16->54 dropped 56 C:\...\SecurityAgent.exe:Zone.Identifier, ASCII 16->56 dropped 31 AddInProcess32.exe 16->31         started        33 AddInProcess32.exe 15 2 16->33         started        36 4 other processes 16->36 signatures6 process7 dnsIp8 70 Tries to steal Mail credentials (via file / registry access) 31->70 72 Tries to harvest and steal browser information (history, passwords, etc) 31->72 58 api.telegram.org 149.154.167.220, 443, 49796, 49836 TELEGRAMRU United Kingdom 33->58 60 checkip.dyndns.com 193.122.130.0, 49714, 49732, 49739 ORACLE-BMC-31898US United States 33->60 62 reallyfreegeoip.org 104.21.16.1, 443, 49720, 49726 CLOUDFLARENETUS United States 33->62 38 WerFault.exe 23 36->38         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77/
Threat name:
Win64.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-01-17 07:36:03 UTC
File Type:
PE+ (Exe)
Extracted files:
10
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wva5f4wd5jxg6pfsno5jx43kaa2kahf3ejphsteu76kx2cmzdz3q._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
Similar samples:
b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
VIPKeylogger
error
VIPKeylogger
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger persistence stealer
Link:
https://tria.ge/reports/250117-kkanxazmar/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7965348925:AAGe8wdrvk9A3lxr1GIjGigodJ_zZ7prhfs/sendMessage?chat_id=6848903538
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/0d312bed-0031-4c88-a9f8-700879a7ec74
Unpacked files
SH256 hash:
b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
MD5 hash:
4e4fb45c99a574849a086232116f8bfc
SHA1 hash:
ee52062d05ff64cb7fc57bc647535929cbe856d9
Link:
https://www.unpac.me/results/24c30830-1b60-488e-b637-cdfd99932842/
Malware family:
VIPKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b541d2f2c3ea/report/overview.html
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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Malspam

VIPKeylogger

zip 6f7cc91aa9fccd5e50336c8b20c016641e814cfd89e17db96d14af8a360eb294

VIPKeylogger

Executable exe b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6f7cc91aa9fccd5e50336c8b20c016641e814cfd89e17db96d14af8a360eb294
  
Dropped by
MD5 bff4a7ac060584a3afd37fc5372adf3f

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetEntriesInAclA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegSetValueExA

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