MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45
SHA3-384 hash: b565ca22763922e06e27aa3a691e73c19794a1b0ba633d8ff763f558b8ea399bcfbd51878a41ef19ba2e2729bd302c9a
SHA1 hash: 1474197373c4397382f38af78daf851f549c4d83
MD5 hash: 4b7b08a553e5cb241300166c28d6aa70
humanhash: sierra-mike-delta-iowa
File name:file.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:12'359'144 bytes
First seen:2025-04-02 10:05:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6d553134d98389290f2edff504fcd1f6 (2 x ACRStealer, 1 x GOBackdoor)
ssdeep 196608:GS3KIGf2jJB+y+x3+w1Nec9olk34WXFLOyomFHKnPQ4QEWPv4HIpen1tvF:G2KV+jJB+V1cIXFt4PWIH+UV
TLSH T126C6E0007E687CB6EC6315715A7AAE39947EFDA11324D2E35281375D9F312C2383B26E
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 1e0f2733331b0f87 (3 x ACRStealer, 1 x GOBackdoor)
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence

File Origin
# of uploads :
1
# of downloads :
26
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://195.82.146.34/888.exe
Verdict:
Malicious activity
Analysis date:
2025-04-01 14:41:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a69432c8-399f-4a86-a355-79517eb74c5b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/169/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ed0ec1855e5ec5240c2af0
Tags:
dropper xtreme smtp
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context crypto expand explorer fingerprint invalid-signature keylogger lolbin microsoft_visual_cc packed packed packer_detected remote signed
Link:
https://www.filescan.io/uploads/67ed0c2bf274bf2d8e2e1ed6/reports/388aadaf-ac47-4985-b731-91db4b3807e3/overview
Verdict:
Malicious
Labled as:
Trojan.GenHeur
Link:
https://www.hybrid-analysis.com/sample/3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/94fa3fc9-4679-45f8-a757-26937227cc1a
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1654565
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1654565 Sample: file.exe Startdate: 02/04/2025 Architecture: WINDOWS Score: 68 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected GO Backdoor 2->43 45 Connects to many ports of the same IP (likely port scanning) 2->45 47 Joe Sandbox ML detected suspicious sample 2->47 7 file.exe 1 2->7         started        11 file.exe 2->11         started        13 file.exe 2->13         started        15 svchost.exe 1 1 2->15         started        process3 dnsIp4 29 77.238.237.190, 15760, 49691 TELERU-ASRU Russian Federation 7->29 31 46.8.232.106, 443, 49682, 49694 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 7->31 49 Suspicious powershell command line found 7->49 17 powershell.exe 1 11 7->17         started        33 91.212.166.19, 443, 49702, 49706 MOBILY-ASEtihadEtisalatCompanyMobilySA United Kingdom 11->33 35 193.187.172.163, 443, 49698, 49704 ITOS-ASRU Russian Federation 11->35 39 3 other IPs or domains 11->39 19 powershell.exe 11->19         started        21 powershell.exe 13->21         started        37 127.0.0.1 unknown unknown 15->37 signatures5 process6 process7 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 21->27         started       
Score:
35%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-01 09:04:14 UTC
File Type:
PE (Exe)
Extracted files:
901
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hecgesxbkou4x62oerwlk6exfuaguv3q4d5ciqp245aihcc2f5cq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250402-l5ap3svtgz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/af14d07a-a72c-4f46-9253-fef0c14b0ef4
Unpacked files
SH256 hash:
3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45
MD5 hash:
4b7b08a553e5cb241300166c28d6aa70
SHA1 hash:
1474197373c4397382f38af78daf851f549c4d83
Link:
https://www.unpac.me/results/069879cf-0454-493c-8c44-877947ac13b9/
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/3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45

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:Agent_BTZ
Create hunting rule
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:DebuggerCheck__API
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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: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: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:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

GOBackdoor

Executable exe 3904624ae153a9cbfb4e246cb578972d006a5770e0fa2441fae74083885a2f45

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3481114/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169/

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
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoFreeUnusedLibraries
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
gdiplus.dll::GdipCreateFromHDC
MULTIMEDIA_APICan Play MultimediaWINMM.dll::PlaySoundW
GDI32.dll::StretchDIBits
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
SHELL32.dll::SHCreateDirectoryExW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertDuplicateCertificateContext
CRYPT32.dll::CertEnumCertificatesInStore
CRYPT32.dll::CertFindCertificateInStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertGetCertificateContextProperty
CRYPT32.dll::CertOpenStore
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::freeaddrinfo
WS2_32.dll::getaddrinfo
WS2_32.dll::getnameinfo
WS2_32.dll::WSAIoctl
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::CreateMenu
ole32.dll::OleCreateMenuDescriptor
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW

Comments