MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b971a5c1915861d611bf56d718f084406325890e5f47d9a1f64e982481e3b2b8. 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
| SHA256 hash: | b971a5c1915861d611bf56d718f084406325890e5f47d9a1f64e982481e3b2b8 |
|---|---|
| SHA3-384 hash: | 420c27aacc2dd70a565e1eb6191a2466c61f65d859e66b4772480f8af1966320c629dd7a18a85db3e4399db0fdc7b2fe |
| SHA1 hash: | 1d6ad41bccb0ec36acb66e3f71cfb7fbb320be51 |
| MD5 hash: | 410678ec5bf42c8cb11efa4dfb3818c6 |
| humanhash: | spring-alaska-october-juliet |
| File name: | HowToFishTrainer.exe |
| Download: | download sample |
| File size: | 2'420'224 bytes |
| First seen: | 2026-08-31 05:46:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | cf4276a70f071efbf419d732f8793de1 |
| ssdeep | 49152:3KmHg20Ah5S06dIMK16HdVUC6JYFyrDoQU4h3Ww4:agc1fKE |
| TLSH | T11CB5CF15E3E412A4D92BCB78CA168333D7B178925720D58F0699E6462F33EE19B7F312 |
| TrID | 37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| Reporter |  vlyu |
| Tags: | dropper exe game-trainer trojanized uac-bypass |
vlyu
First-stage dropper, trojanised game trainer. UAC bypass via ICMLuaUtil COM moniker (no prompt), adds Defender exclusions, then drops and runs the RuntimeBroker.exe loader. Related analysis: https://github.com/Lv-Max/runtimebroker-loader-analysisIntelligence
File Origin
# of uploads :
1
# of downloads :
61
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
HowToFishTrainer.exe
Verdict:
Malicious activity
Analysis date:
2026-08-22 07:34:44 UTC
Tags:
n/a
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:
96.5%
Tags:
virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Restart of the analyzed sample
Creating a process with a hidden window
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto exploit explorer lolbin microsoft_visual_cc
Verdict:
Malicious
Labled as:
Yogi.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-22T04:25:00Z UTC
Last seen:
2026-09-01T18:03:00Z UTC
Hits:
~100
Malware family:
Rhadamanthys
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Exploit.BypassUac
Status:
Malicious
First seen:
2026-08-22 09:18:54 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 36 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
Checks for VirtualBox DLLs, possible anti-VM trick
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
b971a5c1915861d611bf56d718f084406325890e5f47d9a1f64e982481e3b2b8
MD5 hash:
410678ec5bf42c8cb11efa4dfb3818c6
SHA1 hash:
1d6ad41bccb0ec36acb66e3f71cfb7fbb320be51
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__MemoryWorkingSet |
|---|---|
| Author: | Fernando Mercês |
| Description: | Anti-debug process memory working set size check |
| Reference: | http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/ |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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: | 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: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe b971a5c1915861d611bf56d718f084406325890e5f47d9a1f64e982481e3b2b8
(this sample)
Delivery method
Distributed via web download
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