MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c. 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


Meterpreter


Vendor detections: 11


Intelligence 11 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c
SHA3-384 hash: e44fcc5209924712de7c451a8dd1bcbebb6eb3a1c4da8943483df0d225caaab08a7f560aef5439e2915975e35e87c812
SHA1 hash: 10cb1da3d27d7c1009824a2700ccdbd90bca8759
MD5 hash: 12cd6481aa5f0aa3d3fdbf6a42dca282
humanhash: seventeen-lemon-island-california
File name:wlbsctrl.dll
Download: download sample
Signature Meterpreter
Create hunting rule
File size:9'216 bytes
First seen:2025-06-13 06:33:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57d6e7112c8e716cfe2eb0ff9f36763c (15 x Meterpreter, 2 x CobaltStrike, 1 x Cobalt Strike)
ssdeep 48:q0r+l6O5aXyn/hNhx4/jC/VaE9nSDoqUjWZCIxb0E:dX0ACS8qUjmCI
TLSH T12A128566FB1620F6ED3996B649437A1FB755B02833322FD78A45100B2E12DE57C3DB12
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter juroots
Tags:exe Meterpreter

Intelligence

File Origin
# of uploads :
1
# of downloads :
467
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
wlbsctrl.dll
Verdict:
No threats detected
Analysis date:
2025-06-13 07:17:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/174e3174-f2a5-4dfb-9b4c-06a610cd527e

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/9285/
Detection(s):
Win.Trojan.MSShellcode-6
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684bc8678bd5d68a12e8621e
Tags:
cobaltstrike cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Connection attempt
Launching cmd.exe command interpreter
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
ShellCode.Metasploit.Marte.2.Generic
Link:
https://www.hybrid-analysis.com/sample/308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c
Malware family:
Metasploit Framework
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f94d351-b6b6-49a1-9013-7219aaeb93df
Result
Threat name:
Metasploit
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1713875
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to start reverse TCP shell (cmd.exe)
Found malware configuration
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sets debug register (to hijack the execution of another thread)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Rundll32 Execution Without Parameters
System process connects to network (likely due to code injection or exploit)
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c/
Threat name:
Win64.Backdoor.Meterpreter
Create hunting rule
Status:
Malicious
First seen:
2025-06-13 06:37:30 UTC
File Type:
PE+ (Dll)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcbzr3zs4w6w24luny46tk553lrfbq5mfllxenpgax2r52vm3sga._file
Verdict:
malicious
Label(s):
metasploit
Create hunting rule
meterpreter
Create hunting rule
Similar samples:
error
Meterpreter
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/250613-hbwhxawsht/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Verdict:
Malicious
Tags:
red_team_tool cobalt_strike metasploit Win.Trojan.MSShellcode-6
YARA:
CobaltStrike_Resources_Reverse64_Bin_v2_5_through_v4_x Windows_Trojan_Metasploit_7bc0f998 Windows_Trojan_Metasploit_c9773203 Windows_Trojan_Metasploit_91bc5d7d
Link:
https://app.threat.zone/submission/7919860b-2d2c-4aa0-b83c-0da92f31182a
Unpacked files
SH256 hash:
308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c
MD5 hash:
12cd6481aa5f0aa3d3fdbf6a42dca282
SHA1 hash:
10cb1da3d27d7c1009824a2700ccdbd90bca8759
Link:
https://www.unpac.me/results/49a7be8e-3193-4de0-bde4-31cd453182e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.42
Link:
https://yomi.yoroi.company/submissions/308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c

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:CobaltStrike_Resources_Reverse64_Bin_v2_5_through_v4_x
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's resources/reverse64.bin signature for versions v2.5 to v4.x
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike__Resources_Reverse64_Bin_v2_5_through_v4_x
Create hunting rule
Author:gssincla@google.com
Rule name:metasploit_rev_tcp_64
Create hunting rule
Author:Javier Rascon
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Metasploit_7bc0f998
Create hunting rule
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_7bc0f998
Create hunting rule
Author:Elastic Security
Description:Identifies the API address lookup function leverage by metasploit shellcode
Rule name:Windows_Trojan_Metasploit_91bc5d7d
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Metasploit_c9773203
Create hunting rule
Description:Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm
Rule name:Windows_Trojan_Metasploit_c9773203
Create hunting rule
Author:Elastic Security
Description:Identifies the 64 bit API hashing function used by Metasploit. This has been re-used by many other malware families.
Reference:https://github.com/rapid7/metasploit-framework/blob/04e8752b9b74cbaad7cb0ea6129c90e3172580a2/external/source/shellcode/windows/x64/src/block/block_api.asm

File information

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

Web download

Meterpreter

Executable exe 308398ef32e5bd6d71746e39e9abbddae250c3ac2ad77235e605f51eeaacdc8c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/9285/
  
URLhaus
https://urlhaus.abuse.ch/url/3561854/
  
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::CreateProcessA
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle

Comments