MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852
SHA3-384 hash: 792f245e1847acb10d45aa7b39050a70ebdcfaaca978c9676da1dd517b50a96cda1d3fd9b0a10f5050c70fc58bd57a6c
SHA1 hash: 110a8bb8b0d84ce9ce5cc2f1c802d2c71e4bf0f7
MD5 hash: 0e54e84a8c86c0003708e9058e95bf11
humanhash: utah-september-fix-maryland
File name:Update.exe
Download: download sample
File size:2'172'680 bytes
First seen:2025-03-07 15:07:47 UTC
Last seen:2025-03-07 16:01:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0814a4b0009b6c4672695d6b0911b0ec
ssdeep 49152:wnFVuLjbqum7qyp6EmB5kHkf+F9rydhevapXddf:0yWRESouvINdf
TLSH T18AA54A52F78549DEC429C1B48247A332FA71B8894734BBEB4B948A713E15FD16F3C298
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter aachum
Tags:exe signed

Code Signing Certificate

Organisation:Hangzhou Rongyi Network Technology Co., Ltd.
Issuer:Certum Extended Validation Code Signing 2021 CA
Algorithm:sha256WithRSAEncryption
Valid from:2024-09-27T07:50:46Z
Valid to:2025-09-27T07:50:45Z
Serial number: 1616f14fba9c87ab97ad25861ee7a9dc
Intelligence: 12 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 77fc563cabfd503f4387f0903ed6b592c41d5d9b7ee0270dffbe60641c479c52
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
iamaachum
https://github.com/VeraImage/EngineBinary

Intelligence

File Origin
# of uploads :
2
# of downloads :
391
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Update.exe
Verdict:
No threats detected
Analysis date:
2025-03-07 18:29:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8da20059-c70c-4a6a-845b-83c104a116f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cb0c98c8d04e92a4bfc685
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the Program Files subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd lolbin microsoft_visual_cc remote revoked-cert signed update xor-url xor-url
Link:
https://www.filescan.io/uploads/67cb0be33c5f644bd947fe3f/reports/b0618d63-a537-4b03-948b-93077014285c/overview
Verdict:
Malicious
Labled as:
Trojan[Downloader]/Rugmi.ajr
Link:
https://www.hybrid-analysis.com/sample/758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852
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/3c13f291-9efc-4be0-98fb-e79dff9df886
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
42 / 100
Link:
https://www.joesandbox.com/analysis/1631892
Signature
AI detected suspicious PE digital signature
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852/
Threat name:
Win64.Trojan.BadCert
Create hunting rule
Status:
Malicious
First seen:
2025-03-07 15:08:13 UTC
File Type:
PE+ (Exe)
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owgg3ff5xbxyhwwq6zb7hcuyt44uiimsx5xo3oq7flx4yd2grbja._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250307-shya7asnx8/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/519c506d-9be4-493b-ad30-a64cdcc87d17
Unpacked files
SH256 hash:
758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852
MD5 hash:
0e54e84a8c86c0003708e9058e95bf11
SHA1 hash:
110a8bb8b0d84ce9ce5cc2f1c802d2c71e4bf0f7
Link:
https://www.unpac.me/results/f5fb76d3-537f-408f-aef7-a8736a979093/
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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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

Executable exe 758c6d94bdb86f83dad0f643f38a989f39442192bf6eedba1f2aefcc0f468852

(this sample)

  
Link
https://tria.ge/250307-r43mcssmv6/behavioral5
  
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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SS_APIUses SS APIsecur32.dll::AcceptSecurityContext
secur32.dll::AcquireCredentialsHandleA
secur32.dll::ApplyControlToken
secur32.dll::DecryptMessage
secur32.dll::DeleteSecurityContext
secur32.dll::QueryContextAttributesW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
ntdll.dll::NtCreateFile
ntdll.dll::NtDeviceIoControlFile
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_CRYPT_APIUses Windows Crypt APIcrypt32.dll::CertAddCertificateContextToStore
crypt32.dll::CertDuplicateCertificateChain
crypt32.dll::CertDuplicateCertificateContext
crypt32.dll::CertDuplicateStore
crypt32.dll::CertEnumCertificatesInStore
crypt32.dll::CertFreeCertificateChain
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_SOCK_APIUses Network to send and receive dataws2_32.dll::bind
ws2_32.dll::closesocket
ws2_32.dll::connect
ws2_32.dll::freeaddrinfo
ws2_32.dll::getaddrinfo
ws2_32.dll::getpeername

Comments