MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90b3a30668871e1af9a1b449466589aa7f1096c7ec4a016394565d7d156f4451. 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 5 File information Comments

SHA256 hash: 90b3a30668871e1af9a1b449466589aa7f1096c7ec4a016394565d7d156f4451
SHA3-384 hash: 4b2f93545b558899d56f6a29d389869050df86a02c0e5a698ad378088db2f63953c32a8703871e971b1c85abb3fa4372
SHA1 hash: be5ec04dab210f32e490c563ae8b5ef1f5d84448
MD5 hash: 6ac252e99bccf80421b8afecf99b6532
humanhash: july-orange-wyoming-mississippi
File name:LWUN5H1ZEUBNSNFQWTH.exe
Download: download sample
Signature GOBackdoor
File size:14'601'216 bytes
First seen:2025-04-12 07:04:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a0831dc23f2c9459c6ad73f18d490ee8 (1 x Amadey, 1 x GOBackdoor)
ssdeep 196608:1Q/J5YeaTG1rdHJgMCSa1r8PPNtwpXlQYHbEwDfzZ26e1Z:UYV8Ad7Ewg1Z
TLSH T19AE6E5F262B0532DE352B5B62ED956E074670EF7431B4CC3AD9C58688426FD24630FAB
TrID 38.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
24.6% (.EXE) Win64 Executable (generic) (10522/11/4)
11.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 82b28e9692b2b28e (1 x GOBackdoor)
Reporter JAMESWT_WT
Tags:195-82-146-34 195-82-147-98 46-8-232-106 brightplf-digital exe GOBackdoor

Intelligence


File Origin
# of uploads :
1
# of downloads :
568
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
udemy - aws certified cloud practitioner exam.zip
Verdict:
Malicious activity
Analysis date:
2025-04-12 06:44:30 UTC
Tags:
autoit stealer lumma loader autoit-loader amadey botnet arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context fingerprint keylogger 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.Malware.Heuristic
Status:
Malicious
First seen:
2025-04-12 01:04:20 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
20 of 36 (55.56%)
Threat level:
  2/5
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:
90b3a30668871e1af9a1b449466589aa7f1096c7ec4a016394565d7d156f4451
MD5 hash:
6ac252e99bccf80421b8afecf99b6532
SHA1 hash:
be5ec04dab210f32e490c563ae8b5ef1f5d84448
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:DebuggerHiding__Active
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:ThreadControl__Context
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

GOBackdoor

Executable exe 90b3a30668871e1af9a1b449466589aa7f1096c7ec4a016394565d7d156f4451

(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::SetProcessShutdownParameters
KERNEL32.dll::CloseHandle
AVRT.dll::AvRtCreateThreadOrderingGroup
AVRT.dll::AvRtCreateThreadOrderingGroupExW
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleInputW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::ReadConsoleOutputAttribute
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetTempFileNameW
KERNEL32.dll::SetVolumeMountPointA
KERNEL32.dll::SetVolumeMountPointW
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment
KERNEL32.dll::SetSystemTime
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::OpenClipboard
USER32.dll::OpenInputDesktop

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