MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179
SHA3-384 hash: ac12afa5c14b3443176b19d2f00d19276205e41ca78d2ce17e85b3d97cc3e1b2c66de7bedb67a07ea477ad86a17ad90c
SHA1 hash: 00daa94d2e1039e28ca412652c71a3e0c9b8e29f
MD5 hash: a06bfcf6ebbeca5a6445b5d08655bd3d
humanhash: maryland-crazy-speaker-pasta
File name:888.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:14'734'336 bytes
First seen:2025-04-10 18:54:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 393f45d4511956b8be551d9867b69ee5 (3 x GOBackdoor, 1 x LummaStealer)
ssdeep 196608:DDgsNu8OfKIWNGvg6PjI82+WsiznxUHMVaWNIT:xNu8uKfGvg6PjI82+WsizniHMBqT
TLSH T140E6F661A6808F7EE33E9B77527E9AD930242BFA43471CC7AA34D4585532AC2463173F
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 b0d4d4d4c8e8e871 (1 x GOBackdoor)
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence

File Origin
# of uploads :
1
# of downloads :
459
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888.exe
Verdict:
No threats detected
Analysis date:
2025-04-10 22:15:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1a9b0a9e-904b-46a7-9f6e-f8e051f24733

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/1734/
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f81ada1dba888a93cf96b8
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt fingerprint keylogger microsoft_visual_cc
Link:
https://www.filescan.io/uploads/67f814102d430c849e122215/reports/a3ba8323-107f-4e99-9908-cebbc61af34e/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179
Malware family:
PDF-XChange Co Ltd.
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/81e3c7f0-1c41-41f8-a1e1-daaf6d9a6d33
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1662417
Signature
Antivirus / Scanner detection for submitted sample
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: 1662417 Sample: 888.exe Startdate: 10/04/2025 Architecture: WINDOWS Score: 76 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected GO Backdoor 2->31 33 2 other signatures 2->33 7 888.exe 1 2->7         started        11 888.exe 2->11         started        13 888.exe 2->13         started        process3 dnsIp4 23 212.34.130.72, 18327, 49693 RAN-NETWORKSES Spain 7->23 25 46.8.232.106, 443, 49692, 49694 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 7->25 35 Suspicious powershell command line found 7->35 15 powershell.exe 1 11 7->15         started        17 powershell.exe 11->17         started        signatures5 process6 process7 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started       
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2025-04-10 00:13:27 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=is2r5ea2f64xmqg65nsh3hr34sium3nbiwje4uyhrt4jlrwfgf4q._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250410-xkxjwszxcx/
Behaviour
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9760fffa-ed52-462c-b556-24935b95d05b
Unpacked files
SH256 hash:
44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179
MD5 hash:
a06bfcf6ebbeca5a6445b5d08655bd3d
SHA1 hash:
00daa94d2e1039e28ca412652c71a3e0c9b8e29f
Link:
https://www.unpac.me/results/51d6997d-7005-4743-a41d-7b5aa292c29d/
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/44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179

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: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:DebuggerHiding__Active
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:ThreadControl__Context
Create hunting rule
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 44b51e901a2fb97640deeb647d9e3be491466da145924e53078cf895c6c53179

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/1734/
  
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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::AttachConsole
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::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFile2
KERNEL32.dll::DeleteFileA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW

Comments