MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a77c551998354eeea91190ec614dd194a7f4755a69b4affb298cd6b446b81f30. 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: 10
| SHA256 hash: | a77c551998354eeea91190ec614dd194a7f4755a69b4affb298cd6b446b81f30 |
|---|---|
| SHA3-384 hash: | e921912080aa22896a8e9ba1e167d58ef98715376754f5f705f0d89b745e8513131ba2cc958b48040c4668592c965500 |
| SHA1 hash: | c2c576803cfd905edd939e36f2f18ac7e020e093 |
| MD5 hash: | a1ea0a4565a2a98e58a4d5124b08cba5 |
| humanhash: | nevada-pasta-william-black |
| File name: | file |
| Download: | download sample |
| File size: | 423'224 bytes |
| First seen: | 2025-11-25 22:46:48 UTC |
| Last seen: | 2025-11-25 22:48:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 931ef8f125083955463e19aeea6e1fca |
| ssdeep | 6144:nyaYqzC4eqV8QfMSK/Puzm2cWHKWple8fti1BFxpP:5Yqne68GMZ+z9Fple8ViDJ |
| TLSH | T106947D26FB919CF9E05BC07582564632EA3378D90B21E6EF039853352F65AE15F3CB18 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 signed |
Code Signing Certificate
| Organisation: | egj1dBMs |
|---|---|
| Issuer: | egj1dBMs |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-22T12:42:29Z |
| Valid to: | 2026-11-22T12:52:29Z |
| Serial number: | 1961a89152ae2aa349da881168ffdb20 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b730b52a1de1b12b176e6df841155399d48d4eb71ac7b56f69f073b70fede624 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
155
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_a77c551998354eeea91190ec614dd194a7f4755a69b4affb298cd6b446b81f30.exe
Verdict:
Malicious activity
Analysis date:
2025-11-25 22:48:17 UTC
Tags:
anti-evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
keylog word hype
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm fingerprint keylogger microsoft_visual_cc packed signed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Clean
File Type:
exe x64
First seen:
2025-11-25T19:51:00Z UTC
Last seen:
2025-11-25T19:56:00Z UTC
Hits:
~10
Verdict:
Suspicious
Score:
91%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Win64.Malware.Generic
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2025-11-25 22:47:18 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
11 of 24 (45.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
defense_evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks for VMWare drivers on disk
Enumerates VirtualBox DLL files
Looks for VirtualBox drivers on disk
Looks for VirtualBox executables on disk
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a77c551998354eeea91190ec614dd194a7f4755a69b4affb298cd6b446b81f30
MD5 hash:
a1ea0a4565a2a98e58a4d5124b08cba5
SHA1 hash:
c2c576803cfd905edd939e36f2f18ac7e020e093
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
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: | Check_Debugger |
|---|
| 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: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| 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: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe a77c551998354eeea91190ec614dd194a7f4755a69b4affb298cd6b446b81f30
(this sample)
Dropped by
Amadey
Delivery method
Distributed via web download
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