MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486
SHA3-384 hash: ff439887d27099dd10ffcb6b75ed08d8730ea1d85dbbfa151b2e6f85974077c32e6ce7ef3ae9890abb81d796007fa5c6
SHA1 hash: a4c68707008e7b548b0d30c45ba6d0f15677eca8
MD5 hash: ed7f4db754df6728771df18294ed7851
humanhash: nine-stream-fanta-eight
File name:888.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:15'573'504 bytes
First seen:2025-04-29 05:56:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b928511264583b5ee93e0922c4262ebf (1 x GOBackdoor)
ssdeep 98304:AWIOObL1ybcK5liA+HYabpi4mWVZyJuYzte8fvzPWNH:VIOObLgbc4JIb44mWVZ+NfvY
Threatray 27 similar samples on MalwareBazaar
TLSH T156F6273015D3D318C4A27237E26B6BE93CAA3BB2939E6BCB95F343628514DC145F2497
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10522/11/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 71e8d4f0ccccf071 (1 x njrat, 1 x GOBackdoor)
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence

File Origin
# of uploads :
1
# of downloads :
413
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888.exe
Verdict:
No threats detected
Analysis date:
2025-04-29 06:47:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a4ff216e-f265-495d-b733-b69c1abf5341

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/4890/
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68107007cc5fb3600cc44d38
Tags:
virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/68106a3e46fe05453ca99657/reports/3ce54b7a-9e45-4e75-b3fa-8a6548465193/overview
Verdict:
Malicious
Labled as:
Midie.Generic
Link:
https://www.hybrid-analysis.com/sample/a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486
Malware family:
PDF-XChange Co Ltd.
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3095d28d-fed3-4891-9842-641efa6fe322
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1676964
Signature
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: 1676964 Sample: 888.exe Startdate: 29/04/2025 Architecture: WINDOWS Score: 64 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected GO Backdoor 2->25 27 Joe Sandbox ML detected suspicious sample 2->27 7 888.exe 1 2->7         started        11 888.exe 2->11         started        13 888.exe 2->13         started        process3 dnsIp4 19 193.187.172.163, 443, 49692 ITOS-ASRU Russian Federation 7->19 21 91.84.106.132, 18800, 49693 ECLIPSEGB United Kingdom 7->21 29 Suspicious powershell command line found 7->29 15 powershell.exe 1 11 7->15         started        signatures5 process6 process7 17 conhost.exe 15->17         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486/
Threat name:
Win32.Trojan.Midie
Create hunting rule
Status:
Malicious
First seen:
2025-04-28 05:56:55 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfeyz4yqvkzq2fowhbxzmo6cf3sw5d3bnq75tlpr4o4lq67qesda._file
Verdict:
malicious
Label(s):
ghostsocks
Create hunting rule
Similar samples:
2e0edfcdad380a4f483858e996cddab015b53ed326e079ffa160b1137c9bad05
GOBackdoor
357d73cb4755b349bc37c412e4119783f0f5ae4c9ce005e51c944559ab69b4df
GOBackdoor
4a779929ccf4a51d0268fce9c7b44143d7fb4690811939c6c1913cdefc38a813
GOBackdoor
854d5ac4352c653dbb566a39de26f260181a666c01dc8f26347585bcd129a99d
GOBackdoor
89839bba21e3aa810183a943dd0da81011314cb75e6401e0797ee7710953fe6c
GOBackdoor
90b3a30668871e1af9a1b449466589aa7f1096c7ec4a016394565d7d156f4451
GOBackdoor
93c71027c0484c7be95f7285b2fe668b60b3bec52b0f57d0deb01fcdfe111a89
GOBackdoor
a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486
GOBackdoor
error
GOBackdoor
f3584fb954571db60dddaad92fc8cd0f52446ab3d136d4f6e8aba63aa6bdb2f1
GOBackdoor
+ 17 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250429-gnrj2svvbs/
Behaviour
Program crash
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3c82df0a-00a7-4af9-8c1a-9ecb760a1e37
Unpacked files
SH256 hash:
a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486
MD5 hash:
ed7f4db754df6728771df18294ed7851
SHA1 hash:
a4c68707008e7b548b0d30c45ba6d0f15677eca8
Link:
https://www.unpac.me/results/249b16d5-7f21-4d8b-b588-437a60f17f64/
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/a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486

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
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:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution

File information

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

Web download

GOBackdoor

Executable exe a9498cf310aab30d15d6386f963bc22ee56e8f616c3fd9adf1e3b8b87bf02486

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3481114/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/4890/

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::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFile2
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

Comments