MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda. 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 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda
SHA3-384 hash: 8e94d1210969abb048476aa0a89892de3cb3b8eb8dfc596881d387e32bedfe896e29dbfe39e16c03b02ac6cff87b76cb
SHA1 hash: 351b2cf64cd5b0274a7d538aa9c825e94660c6e7
MD5 hash: 3be27543345c8841c9993ab48dfffb2d
humanhash: magazine-illinois-autumn-gee
File name:888.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:11'313'472 bytes
First seen:2025-03-19 03:19:28 UTC
Last seen:2025-03-19 04:18:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5803daf1091d987bb22f3f3da3414a6b (1 x GOBackdoor)
ssdeep 196608:drjMZ5qoaCDbQF4Rm6t5NfkWdO2Jsv6tWKFdu9CiWQxKWCuVfNGfDvlwUjXys:dr2C4NPdO2Jsv6tWKFdu9ClufNG79pj7
TLSH T12AB6AD1AEA8714F4EF635672468BF7BF42306E11C821DDFBEB58F909E8732121406769
TrID 31.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
22.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
17.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.7% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
dhash icon 0b24786939296911 (1 x GOBackdoor)
Reporter skocherhan
Tags:exe GOBackdoor


Avatar
skocherhan
http://195.82.146.34/888.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
607
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
195.82.146.34
Verdict:
Malicious activity
Analysis date:
2025-03-18 16:11:43 UTC
Tags:
loader golang
Link:
https://app.any.run/tasks/64a6855c-4ef9-438f-bb3f-8a4934181986

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67da478d08116ce4257257ca
Tags:
virus spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm fingerprint invalid-signature keylogger lolbin mingw overlay packed packed packer_detected remote signed
Link:
https://www.filescan.io/uploads/67da37ee0a7899f3579d0ea9/reports/7f57e6d7-53ad-4c4b-9e99-d584abd49078/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/890c1ef5-e56e-4732-a840-52741ed5ee57
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1642527
Signature
.NET source code contains potential unpacker
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected GO Backdoor
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1642527 Sample: 888.exe Startdate: 19/03/2025 Architecture: WINDOWS Score: 100 33 pki-goog.l.google.com 2->33 35 c.pki.goog 2->35 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected GO Backdoor 2->43 45 4 other signatures 2->45 9 888.exe 2 2->9         started        12 MSBuild.exe 2 2->12         started        14 MSBuild.exe 1 2->14         started        signatures3 process4 signatures5 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->49 51 Writes to foreign memory regions 9->51 53 Injects a PE file into a foreign processes 9->53 16 MSBuild.exe 1 9->16         started        20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        process6 dnsIp7 29 46.8.232.106, 443, 49724 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 16->29 31 195.200.31.22, 11365, 49725 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 16->31 37 Suspicious powershell command line found 16->37 24 powershell.exe 1 11 16->24         started        signatures8 process9 signatures10 47 Creates an autostart registry key pointing to binary in C:\Windows 24->47 27 conhost.exe 24->27         started        process11
Score:
30%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2025-03-19 00:41:25 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6btfaagrr4pwijkv6o642c7qln3bgzt3ta6on7otwdj7vnyr7na._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250319-dvvcqs1ybs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b7eed067-f70b-4388-9de2-b379c5b70083
Unpacked files
SH256 hash:
47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda
MD5 hash:
3be27543345c8841c9993ab48dfffb2d
SHA1 hash:
351b2cf64cd5b0274a7d538aa9c825e94660c6e7
Link:
https://www.unpac.me/results/c2607b58-c3f2-4b5b-84d9-b76198814103/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/47833280068c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Trojan_Donutloader_f40e3759
Create hunting rule
Author:Elastic Security

File information

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

Web download

GOBackdoor

Executable exe 47833280068c78fb212aaf9dee685f82dbb09b33dcc1e737ee9d869fd5b88fda

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3481114/
  
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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAccessAllowedAce
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertFreeCertificateChain
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertGetCertificateChain
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegNotifyChangeKeyValue
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::gethostbyaddr
WS2_32.dll::gethostbyname
WS2_32.dll::gethostname
WS2_32.dll::getpeername
WS2_32.dll::getsockopt
WS2_32.dll::setsockopt
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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