MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690
SHA3-384 hash: 436e5cfc28d38d5650a4f663a448378ac64affc5162e8ad034be64370a351d1ac71d9e4d005093c20123aa49e770160f
SHA1 hash: 3299e6ea75ec1f5a38f35f68237f428e6e289c95
MD5 hash: 6acf28eb9bba8248305a8bf9b48b9761
humanhash: saturn-steak-berlin-alaska
File name:6acf28eb9bba8248305a8bf9b48b9761.exe
Download: download sample
Signature GOBackdoor
Create hunting rule
File size:1'479'680 bytes
First seen:2025-05-06 06:17:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e2a6ecfffc5d43a7565ef87874e92c4 (49 x LummaStealer, 13 x Vidar, 3 x Stealc)
ssdeep 24576:zno9eS8cpPajtZ/d991qsv/vYCF1xJsZ/d991qsv/vYCF1xJ:LSLStZVYsvXZfYZVYsvXZf
TLSH T18465015CC362A5DEFD1680B64A616211B123BD3AC7381FFF1398E3221E523D06E7A765
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe GOBackdoor

Intelligence

File Origin
# of uploads :
1
# of downloads :
431
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6acf28eb9bba8248305a8bf9b48b9761.exe
Verdict:
Malicious activity
Analysis date:
2025-05-06 06:33:53 UTC
Tags:
stealc stealer github autoit
Link:
https://app.any.run/tasks/22cc59fb-3efe-4d62-9a3f-925c388c4e86

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.14304.7652.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6819aab08474cc94a4e45588
Tags:
injection virus crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/6819a9a50b64e174c4195946/reports/16fca5c0-e6f7-4d11-badf-c5d4d797843a/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0c1c1f1c-ca8b-45ad-b992-ff2c626b72c0
Result
Threat name:
GO Backdoor
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1681826
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Search for Antivirus process
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes many files with high entropy
Writes to foreign memory regions
Yara detected GO Backdoor
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1681826 Sample: MLg9dZYxug.exe Startdate: 06/05/2025 Architecture: WINDOWS Score: 100 74 raw.githubusercontent.com 2->74 76 pki-goog.l.google.com 2->76 78 3 other IPs or domains 2->78 96 Antivirus / Scanner detection for submitted sample 2->96 98 Multi AV Scanner detection for submitted file 2->98 100 Yara detected GO Backdoor 2->100 102 6 other signatures 2->102 13 MLg9dZYxug.exe 2->13         started        16 Script.com 2->16         started        signatures3 process4 signatures5 124 Writes to foreign memory regions 13->124 126 Allocates memory in foreign processes 13->126 128 Injects a PE file into a foreign processes 13->128 18 MSBuild.exe 23 13->18         started        23 MSBuild.exe 13->23         started        process6 dnsIp7 80 41.216.182.65, 49683, 80 AS40676US South Africa 18->80 82 github.com 140.82.113.4, 443, 49695 GITHUBUS United States 18->82 84 raw.githubusercontent.com 185.199.111.133, 443, 49696 FASTLYUS Netherlands 18->84 58 C:\Users\user\...\TrademarksAvatar[1].exe, PE32 18->58 dropped 60 C:\Users\user\AppData\...\KkOMEtvRlcBM.exe, PE32 18->60 dropped 106 Found many strings related to Crypto-Wallets (likely being stolen) 18->106 108 Tries to harvest and steal browser information (history, passwords, etc) 18->108 110 Writes to foreign memory regions 18->110 116 4 other signatures 18->116 25 KkOMEtvRlcBM.exe 84 18->25         started        29 conhost.exe 18->29         started        31 chrome.exe 18->31         started        112 Writes many files with high entropy 23->112 114 Switches to a custom stack to bypass stack traces 23->114 file8 signatures9 process10 file11 66 C:\Users\user\AppData\Local\...\Leather.xlm, COM 25->66 dropped 68 C:\Users\user\AppData\Local\...\Infinite.xlm, COM 25->68 dropped 70 C:\Users\user\AppData\Local\Temp\Xanax.xlm, data 25->70 dropped 72 64 other files (63 malicious) 25->72 dropped 122 Writes many files with high entropy 25->122 33 cmd.exe 3 25->33         started        signatures12 process13 file14 56 C:\Users\user\AppData\Local\...\Script.com, PE32 33->56 dropped 92 Drops PE files with a suspicious file extension 33->92 94 Writes many files with high entropy 33->94 37 Script.com 33->37         started        40 cmd.exe 2 33->40         started        43 extrac32.exe 19 33->43         started        45 9 other processes 33->45 signatures15 process16 file17 118 Suspicious powershell command line found 37->118 120 Injects a PE file into a foreign processes 37->120 47 Script.com 37->47         started        62 C:\Users\user\AppData\Local\Temp\386815\k, data 40->62 dropped 64 C:\Users\user\AppData\Local\Temp64, data 43->64 dropped signatures18 process19 dnsIp20 86 193.187.172.163, 443, 49698 ITOS-ASRU Russian Federation 47->86 88 91.84.106.132, 24090, 49699 ECLIPSEGB United Kingdom 47->88 90 Suspicious powershell command line found 47->90 51 powershell.exe 47->51         started        signatures21 process22 signatures23 104 Found many strings related to Crypto-Wallets (likely being stolen) 51->104 54 conhost.exe 51->54         started        process24
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690/
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-05-06 06:18:23 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gmqo6y27xi7ij57lkeaj3vza6oyqquv4wkh5pknna776zbhyk2ia._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence spyware
Link:
https://tria.ge/reports/250506-g2n13swzby/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bebc1972-c6a0-4f81-aa6a-9d891a1c2e33
Unpacked files
SH256 hash:
3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690
MD5 hash:
6acf28eb9bba8248305a8bf9b48b9761
SHA1 hash:
3299e6ea75ec1f5a38f35f68237f428e6e289c95
Link:
https://www.unpac.me/results/08c4a533-2dd0-4905-8969-5b3270c87e5b/
Malware family:
CypherIt
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3320ef635fba/report/overview.html
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/3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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 3320ef635fba3e84f7eb51009dd720f3b10852bcb28fd7a9ad07ffec84f85690

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3536058/
  
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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments