MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f8626f86d774c3d65f29ae1c31c77eae9101ebc135446989307754498fb15bfa. 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: | f8626f86d774c3d65f29ae1c31c77eae9101ebc135446989307754498fb15bfa |
|---|---|
| SHA3-384 hash: | f3d1a8db5995655ca1feaa0c22c7619237ec5fb719283abfe4a9f54757a7a9044b2d3eec8cac7c7040c8c7045435401a |
| SHA1 hash: | 107ed710a8f794c16265277dd8ac9b1fde1f0bfc |
| MD5 hash: | b0fdbd8263b6ed11ec2eae95f3361402 |
| humanhash: | sierra-twelve-comet-sierra |
| File name: | system_uac.exe |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 5'488'640 bytes |
| First seen: | 2025-08-09 22:48:08 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b237ac2118704db9e7609540658f5790 (28 x CoinMiner) |
| ssdeep | 98304:PQ9WFQnEzeqeiHOH98XavNuGlIBgm1z0ElLg/zXzCfockTM0FDuuu:L/zeqsH9qBGWBpHpgrAoHM0F8 |
| Threatray | 195 similar samples on MalwareBazaar |
| TLSH | T1C94623E2B4C1295CD0564576802ED84C8BCDBA5577B5A0EB33C8B3A6D76DE92073CEE0 |
| TrID | 49.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 31.8% (.EXE) Win64 Executable (generic) (10522/11/4) 6.1% (.EXE) OS/2 Executable (generic) (2029/13) 6.0% (.EXE) Generic Win/DOS Executable (2002/3) 6.0% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  skocherhan |
| Tags: | CoinMiner exe github-Lems-are-falling |
Intelligence
File Origin
# of uploads :
1
# of downloads :
60
Origin country :
GBVendor Threat Intelligence
Malware family:
xmrig
ID:
1
File name:
system_uac.exe
Verdict:
Malicious activity
Analysis date:
2025-08-09 22:53:08 UTC
Tags:
miner pastebin xmrig upx
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:
90.9%
Tags:
spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Running batch commands
Launching a process
Creating a service
Creating a file
Launching a service
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Forced system process termination
DNS request
Connecting to a cryptocurrency mining pool
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Setting browser functions hooks
Enabling autorun for a service
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Changing the hosts file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Labled as:
Tedy.Generic
Malware family:
XMRig Miner
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.XMRIG
Threat name:
Win64.Trojan.Reflo
Status:
Malicious
First seen:
2025-08-09 22:53:19 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
r77rootkit
unc_loader_055
Similar samples:
+ 185 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
defense_evasion execution persistence
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Drops file in Drivers directory
Stops running service(s)
Verdict:
Malicious
Tags:
Win.Trojan.Genkryptik-10016533-0
YARA:
n/a
Unpacked files
SH256 hash:
f8626f86d774c3d65f29ae1c31c77eae9101ebc135446989307754498fb15bfa
MD5 hash:
b0fdbd8263b6ed11ec2eae95f3361402
SHA1 hash:
107ed710a8f794c16265277dd8ac9b1fde1f0bfc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CoinMiner
Score:
0.60
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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Windows_Generic_Threat_e8abb835 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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