MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88. 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


Threat unknown


Vendor detections: 5


Intelligence 5 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88
SHA3-384 hash: 13fd03f07fd51808018008a736d9dd19c5719300631baf87f7580f454074b64dfba0268945f8d81bcfe6c1c91a1ae078
SHA1 hash: d0cd0f2cf67010a286c6865fbb38f01357e1cea4
MD5 hash: 03a285b026519ddc0d469dbcd543bf65
humanhash: bulldog-nuts-steak-ink
File name:u2ec.dll
Download: download sample
File size:317'976 bytes
First seen:2025-02-26 10:40:26 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash fefb49ef1973498629eb67695ef6432e
ssdeep 6144:qC70OnpGdhMcAV/DshLEdG1oqzTQLB1CG:qC7bpGhIwLELqzTQN4G
TLSH T17C642A11A7A19034F8FB11F835BD65ADA83C7DF0179984CB63D41AED8A24AD1BD30B1B
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter smica83
Tags:dll MustangPanda signed

Code Signing Certificate

Organisation:Electronic Team Inc.
Issuer:Electronic Team Inc.
Algorithm:sha256WithRSAEncryption
Valid from:2024-12-03T15:45:23Z
Valid to:2027-12-04T15:45:23Z
Serial number: cbd604a3eeab194c71220b80e5759f20
Thumbprint Algorithm:SHA256
Thumbprint: a109a2ab5cccb7f59304fb2fd8c9f8a5228c3ac52d765f92cea8932f30e39ef7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
534
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bef00d28ab76d43a5d3e93
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc obfuscated signed
Link:
https://www.filescan.io/uploads/67beefcd6222db7f23dc2d32/reports/e89608b4-7232-41e1-85ae-5e1bccc147de/overview
Verdict:
Suspicious
Labled as:
Trojan_Win32_Agentb_tfvj
Link:
https://www.hybrid-analysis.com/sample/b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/913196d4-5290-4055-83a1-2a542ca6dd66
Result
Threat name:
n/a
Detection:
suspicious
Classification:
n/a
Score:
26 / 100
Link:
https://www.joesandbox.com/analysis/1624567
Signature
AI detected suspicious PE digital signature
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1624567 Sample: u2ec.dll Startdate: 26/02/2025 Architecture: WINDOWS Score: 26 19 AI detected suspicious PE digital signature 2->19 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        13 rundll32.exe 7->13         started        15 37 other processes 7->15 process5 17 rundll32.exe 9->17         started       
Score:
7%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtbx4omv2x7zi5km5xkj7d6gozkerilae6szkhrxxug2aztbzwea._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250226-mq6dwawrz8/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88
MD5 hash:
03a285b026519ddc0d469dbcd543bf65
SHA1 hash:
d0cd0f2cf67010a286c6865fbb38f01357e1cea4
Link:
https://www.unpac.me/results/b8e72dfa-c82a-4e31-8a52-0a1c784115e5/
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/b4c37e3995d5ff94754cedd49f8fc6765448a16027a5951e37bd0da06661cd88

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

  
X
https://x.com/AzakaSekai_/status/1894577628583268861?t=0KuWk_JxZwVRdMMIiS7J4g&s=19

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_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::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments