MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f91b79e3699ef2eb397f65717116da36f978126b78786b260466fc9e1390afef. 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: 14
| SHA256 hash: | f91b79e3699ef2eb397f65717116da36f978126b78786b260466fc9e1390afef |
|---|---|
| SHA3-384 hash: | 8e51a90dda8d9f1b63e429bd6f28c469e2ccd8c51a3fc34f731fac2960f8989656d42371266c08cc577d4f312396ca33 |
| SHA1 hash: | 5217d9312259ddd962672062fdf771ab59a557bc |
| MD5 hash: | afb477b02aa1cfb5dd7a9267a99f2c31 |
| humanhash: | music-tango-quebec-seventeen |
| File name: | f91b79e3699ef2eb397f65717116da36f978126b78786b260466fc9e1390afef.exe |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 5'223'936 bytes |
| First seen: | 2026-08-15 20:14:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 35171f6f6a1bfee47cbc04cb345c411f (86 x CoinMiner) |
| ssdeep | 98304:Cf0F9I3QIw22S6OGJy+6rp0/4tbEwxBF+7VeTW6mHXMVvmidAz5uuNhqtf:pF91ha8Jl6rpxAOHvTW6eXxlhqt |
| TLSH | T1143633E699C21174C062C3B9895B35ADF13A7BB0C6617D2B39DC1E289E9FE05543E3C2 |
| TrID | 33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  Tuxxin |
| Tags: | CoinMiner exe whack.sh |
Intelligence
File Origin
# of uploads :
1
# of downloads :
196
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-08-15 20:21:11 UTC
Tags:
uac-bypass
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a service
Launching a service
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Deleting a recently created file
Creating a file in the system32 subdirectories
Searching for synchronization primitives
Enabling autorun for a service
Moving of the original file
Disabling the operating system update service
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-15T17:59:00Z UTC
Last seen:
2026-08-16T23:01:00Z UTC
Hits:
~10
Verdict:
Unknown
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Wacatac
Status:
Suspicious
First seen:
2026-08-15 20:15:29 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:xmrig defense_evasion execution miner persistence
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Power Settings
Creates new service(s)
Cryptocurrency Miner
Deletes itself
Disables service(s)
Executes dropped EXE
Stops running service(s)
Command and Scripting Interpreter: PowerShell
Server Software Component: Terminal Services DLL
Sets service image path in registry
XMRig Miner payload
Family: xmrig
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
f91b79e3699ef2eb397f65717116da36f978126b78786b260466fc9e1390afef
MD5 hash:
afb477b02aa1cfb5dd7a9267a99f2c31
SHA1 hash:
5217d9312259ddd962672062fdf771ab59a557bc
Malware family:
XMRig
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
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__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | PUA_Crypto_Mining_CommandLine_Indicators_Oct21 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects command line parameters often used by crypto mining software |
| Reference: | https://www.poolwatch.io/coin/monero |
| 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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