MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27a27f7a05d98177ca443f7341412869205ce10deaec52148989f4ded45605fc. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 27a27f7a05d98177ca443f7341412869205ce10deaec52148989f4ded45605fc
SHA3-384 hash: 81943fcd64ecc843918eff937644662e04396cbd9b935b5a77994409aaddbdb5898b814f23e4bc2ae6e01e9639d8c101
SHA1 hash: a63a8485ef89c17dc52ebd2becece3ce0611f820
MD5 hash: a3094d8d79d3b10a780b34f7aa33b5a5
humanhash: oxygen-march-spaghetti-fruit
File name:factura número 55242.exe
Download: download sample
Signature VIPKeylogger
File size:450'367 bytes
First seen:2024-08-27 15:07:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57e98d9a5a72c8d7ad8fb7a6a58b3daf (60 x GuLoader, 20 x AZORult, 12 x RemcosRAT)
ssdeep 12288:qcFfMljqwiITfk5AzYPB8phW3af7mIucSICc71RQ:qcJMlj7roJ2phse7mIpa
TLSH T147A4011E3141C4E6FA5C83741B2B5F0B4AAF79432142059737B1ABBABB346D7D90E9C1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 8883b69d19c6c3c0 (38 x GuLoader, 6 x RemcosRAT, 6 x VIPKeylogger)
Reporter abuse_ch
Tags:exe VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
386
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
factura número 55242.rar
Verdict:
Malicious activity
Analysis date:
2024-08-04 03:18:39 UTC
Tags:
guloader loader evasion snake keylogger telegram stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Execution Nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Result
Verdict:
MALICIOUS
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:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
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 GuLoader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1499842 Sample: factura n#U00famero 55242.exe Startdate: 27/08/2024 Architecture: WINDOWS Score: 100 34 reallyfreegeoip.org 2->34 36 api.telegram.org 2->36 38 5 other IPs or domains 2->38 44 Found malware configuration 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for dropped file 2->48 54 6 other signatures 2->54 8 factura n#U00famero 55242.exe 22 2->8         started        signatures3 50 Tries to detect the country of the analysis system (by using the IP) 34->50 52 Uses the Telegram API (likely for C&C communication) 36->52 process4 file5 22 C:\Users\user\AppData\...\Demiskrdderiers.Bug, ASCII 8->22 dropped 56 Suspicious powershell command line found 8->56 12 powershell.exe 20 8->12         started        signatures6 process7 file8 24 C:\Users\...\factura n#U00famero 55242.exe, PE32 12->24 dropped 26 factura n#U00famer...exe:Zone.Identifier, ASCII 12->26 dropped 58 Writes to foreign memory regions 12->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 12->60 62 Powershell drops PE file 12->62 16 wab.exe 15 8 12->16         started        20 conhost.exe 12->20         started        signatures9 process10 dnsIp11 28 api.telegram.org 149.154.167.220, 443, 58832 TELEGRAMRU United Kingdom 16->28 30 reallyfreegeoip.org 188.114.96.3, 443, 58817, 58818 CLOUDFLARENETUS European Union 16->30 32 3 other IPs or domains 16->32 40 Tries to steal Mail credentials (via file / registry access) 16->40 42 Tries to harvest and steal browser information (history, passwords, etc) 16->42 signatures12
Threat name:
Win32.Spyware.Snakekeylogger
Status:
Malicious
First seen:
2024-07-31 16:00:49 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
cloudeye
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection credential_access discovery execution keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
VIPKeylogger
Unpacked files
SH256 hash:
aa6ede4f1649b9855ff66867b5f8ab11a0971aa12018455981954c09f0697caa
MD5 hash:
89a2228fa6afe5101d63c83cf6bd17b1
SHA1 hash:
2e9c81268394fdfd0be34856112832a1ac11e475
SH256 hash:
27a27f7a05d98177ca443f7341412869205ce10deaec52148989f4ded45605fc
MD5 hash:
a3094d8d79d3b10a780b34f7aa33b5a5
SHA1 hash:
a63a8485ef89c17dc52ebd2becece3ce0611f820
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:NSIS_GuLoader
Author:NDA0E
Description:Detects GuLoader using NSIS

File information


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

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments