MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5f49c0f566a114b529138f8bd222865c9fa9fa95f96ec1ded50700764a1d4e7. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: c5f49c0f566a114b529138f8bd222865c9fa9fa95f96ec1ded50700764a1d4e7
SHA3-384 hash: ef7f0d57563c92864e01bbc1fd494abedfea60c23a247daf2de9972176613eb9402d827fe455171767acc325e68b270f
SHA1 hash: 15ca8d66aa1404edaa176ccd815c57effea7ed2f
MD5 hash: 0f6d6ef9b82ece9dbbdc711ac00b5e6a
humanhash: shade-speaker-eleven-eighteen
File name:mamona_sample.exe
Download: download sample
File size:185'856 bytes
First seen:2025-03-19 21:43:49 UTC
Last seen:2025-03-20 09:34:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bea0fe4f47a3540e17a85006a21d644c
ssdeep 3072:GsrPf+odptGM3Nu6L6C4/nFBCkAhyhtsijLrlH5AeJl2a/18OS:GsrPWodR6CIikAhyDhvBSc18
TLSH T16B047D10FED2C431E4B70A701AF9E7F5953E79140B3099DFA7900B69AE30AD286357B6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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
Reporter Merlax_
Tags:exe Mamona MamonaRIP Ransomware

Intelligence


File Origin
# of uploads :
3
# of downloads :
625
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dec_built.zip
Verdict:
Malicious activity
Analysis date:
2025-03-19 21:45:57 UTC
Tags:
arch-exec ransomware xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Changing a file
Modifies multiple files
Connection attempt
Network activity
Creating a file in the mass storage device
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd evasive lolbin microsoft_visual_cc mpcmdrun obfuscated
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:
n/a
Detection:
malicious
Classification:
rans.troj.evad
Score:
80 / 100
Signature
Contains functionalty to change the wallpaper
Creates files in the recycle bin to hide itself
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Modifies existing user documents (likely ransomware behavior)
Self deletion via cmd or bat file
Sigma detected: Suspicious Ping/Del Command Combination
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes a notice file (html or txt) to demand a ransom
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Mamona
Status:
Malicious
First seen:
2025-03-19 21:44:10 UTC
File Type:
PE (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery ransomware
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Sets desktop wallpaper using registry
Enumerates connected drives
Deletes itself
Renames multiple (192) files with added filename extension
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c5f49c0f566a114b529138f8bd222865c9fa9fa95f96ec1ded50700764a1d4e7
MD5 hash:
0f6d6ef9b82ece9dbbdc711ac00b5e6a
SHA1 hash:
15ca8d66aa1404edaa176ccd815c57effea7ed2f
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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

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::RevertToSelf
NET_SHARE_APICan access Network ShareNETAPI32.dll::NetShareEnum
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
IPHLPAPI.DLL::IcmpCloseHandle
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
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::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesIPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
ADVAPI32.dll::BackupEventLogW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptGenRandom
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::InetNtopW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceStatusEx
ADVAPI32.dll::StartServiceW

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