MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85. 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: 10


Intelligence 10 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85
SHA3-384 hash: 63cfe381c4fead179b6d5b32651cda27240e9175658a2eba46b26d2a8c6a0f248173b0946456ec7475ca08a8d1034458
SHA1 hash: 47585aba6cb4964524a6cc5e7dfb533b7795043f
MD5 hash: 091ec286e1afcba6da4fc2343c21ba7d
humanhash: diet-louisiana-maryland-vegan
File name:888.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:24'502'096 bytes
First seen:2025-03-18 09:06:01 UTC
Last seen:2025-03-18 12:22:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a594319a0d69dbc452e748bcf05892e (21 x ParallaxRAT, 20 x Gh0stRAT, 15 x NetSupport)
ssdeep 393216:HDYlskfv0Sxrzo9egYdmzg1QJrZ0bw19e9O/u7IlR1s+Gcq7a:jIskkSxrlV31QYMyO229G2
TLSH T17C371227F288692FC0AB1B315A778290A8377A6279128C7797FC394CCF355506E3E746
TrID 39.3% (.EXE) Inno Setup installer (107240/4/30)
21.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
15.7% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.8% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter JAMESWT_WT
Tags:195-82-146-34 exe GOBackdoor

Intelligence

File Origin
# of uploads :
3
# of downloads :
593
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a5e130b63059d1dbf5b5682baf9188ea6143089b8b10a65fadd8b1e08c5c1632
Verdict:
Malicious activity
Analysis date:
2025-03-18 09:08:54 UTC
Tags:
autoit stealer lumma loader autoit-loader delphi inno installer
Link:
https://app.any.run/tasks/736407ca-055b-4a56-bef4-00ca2946cedc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d94c04194f23322a70afcf
Tags:
ransomware virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Searching for the window
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd embarcadero_delphi expand fingerprint installer invalid-signature lolbin overlay packed packed regsvr32 runonce signed
Link:
https://www.filescan.io/uploads/67d9378bd2c4beeae92759fe/reports/21c3a7e3-335f-47da-9a9a-002dea660ead/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85
Result
Verdict:
UNKNOWN
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1641487
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Connects to many ports of the same IP (likely port scanning)
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected GO Backdoor
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1641487 Sample: 888.exe Startdate: 18/03/2025 Architecture: WINDOWS Score: 84 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected GO Backdoor 2->74 76 Connects to many ports of the same IP (likely port scanning) 2->76 78 AI detected suspicious PE digital signature 2->78 12 888.exe 2 2->12         started        15 jsc.exe 1 2->15         started        17 jsc.exe 2 2->17         started        process3 file4 52 C:\Users\user\AppData\Local\Temp\...\888.tmp, PE32 12->52 dropped 19 888.tmp 3 15 12->19         started        22 conhost.exe 15->22         started        24 conhost.exe 17->24         started        process5 file6 44 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 19->44 dropped 46 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 19->46 dropped 48 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 19->48 dropped 26 888.exe 2 19->26         started        process7 file8 50 C:\Users\user\AppData\Local\Temp\...\888.tmp, PE32 26->50 dropped 29 888.tmp 5 110 26->29         started        process9 file10 54 C:\Users\user\...\hyperrationally.exe (copy), PE32 29->54 dropped 56 C:\Users\user\...\qoffscreen.dll (copy), PE32+ 29->56 dropped 58 C:\Users\user\...\msys-ksba-8.dll (copy), PE32+ 29->58 dropped 60 100 other files (none is malicious) 29->60 dropped 32 hyperrationally.exe 29->32         started        process11 signatures12 66 Writes to foreign memory regions 32->66 68 Allocates memory in foreign processes 32->68 70 Injects a PE file into a foreign processes 32->70 35 jsc.exe 1 32->35         started        process13 dnsIp14 62 212.34.130.72, 13742, 49701 RAN-NETWORKSES Spain 35->62 64 46.8.232.106, 443, 49700 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 35->64 80 Suspicious powershell command line found 35->80 39 powershell.exe 1 11 35->39         started        signatures15 process16 signatures17 82 Creates an autostart registry key pointing to binary in C:\Windows 39->82 42 conhost.exe 39->42         started        process18
Score:
77%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhzx7eu7rr24fkcr6hjtdpkyolh6ihiuy46xel5v3npq6pqbn2cq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250318-k2vqeaslt5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/29a5ee5c-98a2-4367-9a99-516fd845ca7f
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/89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85

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:Borland
Create hunting rule
Author:malware-lu
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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)

File information

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

Web download

GOBackdoor

Executable exe 89f37f929f8c75c2a851f1d331bd5872cfe41d14c73d722fb5db5f0f3e016e85

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoW
kernel32.dll::GetDiskFreeSpaceW
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments