MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28a7f38fdf5153dd1dac6a63233763450f4046faebaf69dc952fbf6393eb95ea. 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
CoinMiner
Vendor detections: 13
| SHA256 hash: | 28a7f38fdf5153dd1dac6a63233763450f4046faebaf69dc952fbf6393eb95ea |
|---|---|
| SHA3-384 hash: | 8e7c7aba40b0135f0f05306213feca09f69cc4d9bd01334aa6a1e5c7a1ea0531ad269b9ccfa2e380a6c9277dd2369009 |
| SHA1 hash: | dc3444cb91cd5854e5506aa3697121e3f29127d3 |
| MD5 hash: | cb65c62b341b22733658b87beda52427 |
| humanhash: | whiskey-mike-alanine-idaho |
| File name: | SecuriteInfo.com.Win64.MalwareX-gen.2383.15902 |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 5'271'080 bytes |
| First seen: | 2025-07-10 09:20:21 UTC |
| Last seen: | 2025-07-10 10:19:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4d97f4d8eb72145721aa257137dd4987 (10 x LummaStealer, 2 x CoinMiner, 1 x Stealc) |
| ssdeep | 98304:g1FSvJjRogYuTKIZGFkimWu530sYR+vzvvVjxiYlZGFkimWu530sYR+vzvvVjxia:Kk1TYuTKIZEvs5DVNiYlZEvs5DVNiYl |
| Threatray | 674 similar samples on MalwareBazaar |
| TLSH | T17F36222D8245A2C7FD7184BA84662151B8237E32C4281FFFD299E3729E076C15F6D39E |
| TrID | 63.5% (.EXE) Win64 Executable (generic) (10522/11/4) 12.2% (.EXE) OS/2 Executable (generic) (2029/13) 12.0% (.EXE) Generic Win/DOS Executable (2002/3) 12.0% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  SecuriteInfoCom |
| Tags: | CoinMiner exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
40
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_28a7f38fdf5153dd1dac6a63233763450f4046faebaf69dc952fbf6393eb95ea.exe
Verdict:
Malicious activity
Analysis date:
2025-07-10 09:23:24 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CoinMiner02
Verdict:
Malicious
Score:
94.9%
Tags:
autorun xtreme shell sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context crypt fingerprint invalid-signature microsoft_visual_cc packed packed signed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Suspicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-07-10 09:20:30 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donut_injector
Similar samples:
+ 664 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:xmrig execution miner persistence
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
XMRig Miner payload
Xmrig family
xmrig
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
28a7f38fdf5153dd1dac6a63233763450f4046faebaf69dc952fbf6393eb95ea
MD5 hash:
cb65c62b341b22733658b87beda52427
SHA1 hash:
dc3444cb91cd5854e5506aa3697121e3f29127d3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
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: | 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: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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.
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateFileW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::CreateWindowExA |
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