MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e45a7f9d3fa0175b8fd5bdf068934c53cc2516261b1f0b9a1f4c0ac8520e0857. 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 5 File information Comments

SHA256 hash: e45a7f9d3fa0175b8fd5bdf068934c53cc2516261b1f0b9a1f4c0ac8520e0857
SHA3-384 hash: 767ddf8d60b6a65fbe33b16ef9d8bf4d62d1d6b06b8c4e8735132965ace3acea93d333662351348a322d3a3c979f2d21
SHA1 hash: 5c20ecfa0d53b32381924c8cc87ac12013cabf18
MD5 hash: da2f9502d2bd50a53ebc7301882c5cc4
humanhash: mobile-whiskey-four-montana
File name:888.exe
Download: download sample
Signature GOBackdoor
File size:16'716'288 bytes
First seen:2025-04-10 19:15:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 393f45d4511956b8be551d9867b69ee5 (3 x GOBackdoor, 1 x LummaStealer)
ssdeep 196608:Q4Vuy0pMDo6gy0WsJia9jqs5InJk0q6K5r75oh1bU2bpEQLxBBLvjVD7ve2pGFEC:Q4VuyIMXa6jdTBZdOD
TLSH T182F6F73186C0972EEBF661BA42DA52C0B0651370531674C76D6865BCBA73CD2AB70BF3
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 f2c4686868e8c6f4 (1 x GOBackdoor)
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence


File Origin
# of uploads :
1
# of downloads :
690
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 22:43:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger microsoft_visual_cc
Malware family:
PDF-XChange Co Ltd.
Verdict:
Unknown
Result
Threat name:
GO Backdoor
Detection:
malicious
Classification:
troj
Score:
76 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1662447 Sample: 888.exe Startdate: 10/04/2025 Architecture: WINDOWS Score: 76 20 pki-goog.l.google.com 2->20 22 c.pki.goog 2->22 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected GO Backdoor 2->32 34 2 other signatures 2->34 8 888.exe 1 2->8         started        12 888.exe 2->12         started        14 888.exe 2->14         started        signatures3 process4 dnsIp5 24 212.34.130.72, 23704, 49696 RAN-NETWORKSES Spain 8->24 26 46.8.232.106, 443, 49695 FIORD-ASIP-transitoperatorinRussiaUkraineandBaltics Russian Federation 8->26 36 Suspicious powershell command line found 8->36 16 powershell.exe 1 11 8->16         started        signatures6 process7 process8 18 conhost.exe 16->18         started       
Threat name:
Win32.Trojan.Barys
Status:
Malicious
First seen:
2025-04-10 19:17:13 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
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:
e45a7f9d3fa0175b8fd5bdf068934c53cc2516261b1f0b9a1f4c0ac8520e0857
MD5 hash:
da2f9502d2bd50a53ebc7301882c5cc4
SHA1 hash:
5c20ecfa0d53b32381924c8cc87ac12013cabf18
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:meth_stackstrings
Author:Willi Ballenthin

File information


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

Web download

GOBackdoor

Executable exe e45a7f9d3fa0175b8fd5bdf068934c53cc2516261b1f0b9a1f4c0ac8520e0857

(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::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

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