MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca06fdcde3535302c06a3e448ae72c15006f0653e4775693988510d2a56f91f. 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



ResolverRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 24 File information Comments

SHA256 hash: 1ca06fdcde3535302c06a3e448ae72c15006f0653e4775693988510d2a56f91f
SHA3-384 hash: 6665190600cbff5ef4f1c4a03c8306d994ba538a50ce7dc3b22235b38d03b790964289d1eca68e16cb6bd0dac8ccbec2
SHA1 hash: e7b4aadb8f0715ba1f8ecf5c34364e25e9508cd2
MD5 hash: f1c6fa77fb988c55b569f42752c97397
humanhash: triple-east-oranges-lemon
File name:f1c6fa77fb988c55b569f42752c97397.exe
Download: download sample
Signature ResolverRAT
File size:58'453'504 bytes
First seen:2025-06-16 12:06:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b88b26d50717225c0b69c16621a27b41 (3 x ResolverRAT)
ssdeep 786432:0eYXSGTAyfHgZUADoUJB0gN17TCuFeeyuTZAYRki9iSPFkGx:0MGcr9DoUUgNhCuF/yIZAYRki9iNI
Threatray 291 similar samples on MalwareBazaar
TLSH T173D78D23B8415035D7D343B2CEADB9689AFCAE30037595E7579C2C55ABB18D2B332683
TrID 53.5% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
13.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.8% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
6.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 2959b92c20b8b206 (3 x ResolverRAT)
Reporter abuse_ch
Tags:exe ResolverRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
f1c6fa77fb988c55b569f42752c97397.exe
Verdict:
Malicious activity
Analysis date:
2025-06-16 12:27:31 UTC
Tags:
nodejs stealer auto-reg netreactor purehvnc rat asyncrat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Result
Threat name:
PureCrypter, ResolverRAT
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Allocates memory in foreign processes
Detected PureCrypter Trojan
Drops PE files to the document folder of the user
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Writes to foreign memory regions
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-06-04 20:32:00 UTC
File Type:
PE (Exe)
Extracted files:
98
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
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:Borland
Author:malware-lu
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:reverse_http
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

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::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
ADVAPI32.dll::ConvertStringSidToSidW
ADVAPI32.dll::CopySid
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::EqualSid
MULTIMEDIA_APICan Play MultimediaWINMM.dll::midiInAddBuffer
WINMM.dll::midiInClose
WINMM.dll::midiInGetDevCapsW
WINMM.dll::midiInGetErrorTextW
WINMM.dll::midiInGetID
WINMM.dll::midiInGetNumDevs
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CreateRestrictedToken
ADVAPI32.dll::DuplicateToken
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetKernelObjectSecurity
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateAnonymousToken
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::SetThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetCommModemStatus
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::AssignProcessToJobObject
KERNEL32.dll::GetConsoleScreenBufferInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::DeleteFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGenRandom
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptSignHashW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegDisablePredefinedCache
ADVAPI32.dll::RegNotifyChangeKeyValue
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo
WS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEnumNetworkEvents
WS2_32.dll::WSAEventSelect
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CloseDesktop
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW
USER32.dll::OpenClipboard
USER32.dll::OpenInputDesktop

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