MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 357d73cb4755b349bc37c412e4119783f0f5ae4c9ce005e51c944559ab69b4df. 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



GOBackdoor


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 357d73cb4755b349bc37c412e4119783f0f5ae4c9ce005e51c944559ab69b4df
SHA3-384 hash: 2c2f86e6b2e893c05b456026fe1731e0e9c39ffeb947603a2db357121df91982769a7bc3491ea77be95af3ae28ff71e0
SHA1 hash: b639ca8e46969400a90268e5ef9109327172c492
MD5 hash: 82da37613d6bf41bc78666a348026f61
humanhash: blue-romeo-lithium-eleven
File name:888.exe
Download: download sample
Signature GOBackdoor
File size:18'830'848 bytes
First seen:2025-04-15 11:48:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a01ec155558d7515efe74cb06148b0ea (1 x GOBackdoor)
ssdeep 98304:2IMpL9Ha89oXkaumlcCLs95vG3P7mV2mHcD81bigvC7OufDcWS/raJqA9AhkRJ1i:2vtByVZJLsEP7m9jC7Ou4vtS1JA
TLSH T14D17C5735E808B88F26794B62A1A22D1356CD771D316C8C3AD784A5CC41BCE1A6F37B7
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 029aa6e2e0e0a492 (1 x GOBackdoor)
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence


File Origin
# of uploads :
1
# of downloads :
547
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888.exe
Verdict:
No threats detected
Analysis date:
2025-04-15 12:11:52 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Malware family:
PDF-XChange Co Ltd.
Verdict:
Unknown
Result
Threat name:
GO Backdoor
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Yara detected GO Backdoor
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Ghostsocks
Status:
Malicious
First seen:
2025-04-15 00:32:29 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
357d73cb4755b349bc37c412e4119783f0f5ae4c9ce005e51c944559ab69b4df
MD5 hash:
82da37613d6bf41bc78666a348026f61
SHA1 hash:
b639ca8e46969400a90268e5ef9109327172c492
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerException__SetConsoleCtrl
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

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GOBackdoor

Executable exe 357d73cb4755b349bc37c412e4119783f0f5ae4c9ce005e51c944559ab69b4df

(this sample)

  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments