MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f357a584720cb07a1b782e55a550f613033cfe49e8dadd7309e5466bc1ab034b. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: f357a584720cb07a1b782e55a550f613033cfe49e8dadd7309e5466bc1ab034b
SHA3-384 hash: 1a98a200df6e128c070115887950c72c36794e028522f0e7fa9aa550c12d386f2e4917a1300be5814ba86198dfd18130
SHA1 hash: 143eefa7322a22b18b00fb2c2228e8f6844dbb7f
MD5 hash: 386106dbe7bb1c3a0eeabefa712ed981
humanhash: delaware-arizona-berlin-twenty
File name:f357a584720cb07a1b782e55a550f613033cfe49e8dadd7309e5466bc1ab034b
Download: download sample
File size:60'774'376 bytes
First seen:2024-08-18 08:57:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 1572864:0V+wxbHllmCnvEqwrClPgciZ8yAspbAigtAB:0VRvtv0Oi8Nu
TLSH T19ED7333D1F2CE2EEE1AA36FDBD7DD7188A219C92205F2036AAA637C0D550414FAF11D5
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon a055aca4d479aa14
Reporter JAMESWT_WT
Tags:exe KUD LIMITED signed

Code Signing Certificate

Organisation:KUD LIMITED
Issuer:Sectigo Public Code Signing CA EV R36
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-15T00:00:00Z
Valid to:2026-04-15T23:59:59Z
Serial number: f57c3228816cc23635de24c3604c5c41
Intelligence: 10 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: ced2c045f1d63970456602c2a02f3e2bc003af7ee6cd29564171b5e29860692e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f357a584720cb07a1b782e55a550f613033cfe49e8dadd7309e5466bc1ab034b
Verdict:
Malicious activity
Analysis date:
2024-08-18 09:10:02 UTC
Tags:
xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Execution Generic Network Stealth
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
suspicious
Classification:
troj.evad
Score:
34 / 100
Signature
Adds extensions / path to Windows Defender exclusion list
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1494395 Sample: O49mGWNV4Q.exe Startdate: 18/08/2024 Architecture: WINDOWS Score: 34 51 tmall.com 2->51 53 taobao.com 2->53 55 15 other IPs or domains 2->55 79 Multi AV Scanner detection for submitted file 2->79 81 Uses ping.exe to sleep 2->81 83 Uses ping.exe to check the status of other devices and networks 2->83 85 2 other signatures 2->85 8 WeBuff.exe 67 2->8         started        12 O49mGWNV4Q.exe 13 223 2->12         started        15 WeBuff.exe 2->15         started        signatures3 process4 dnsIp5 67 203.107.1.33, 65026, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 8->67 69 127.0.0.1 unknown unknown 8->69 87 Uses ping.exe to sleep 8->87 89 Adds extensions / path to Windows Defender exclusion list 8->89 17 powershell.exe 8->17         started        20 PING.EXE 8->20         started        23 PING.EXE 8->23         started        25 12 other processes 8->25 71 api.webuff.app.eo.dnse1.com 43.175.232.49, 49715, 65025, 80 LILLY-ASUS Japan 12->71 73 buff-files.cdn.namejin.com.eo.dnse1.com 43.175.233.48, 443, 65011, 65012 LILLY-ASUS Japan 12->73 75 client.webuff.app.eo.dnse1.com 43.175.233.49, 443, 49713, 49714 LILLY-ASUS Japan 12->75 43 C:\Program Files\...\WeBuff.exe, PE32+ 12->43 dropped 45 C:\Users\user\AppData\Local\...\installer.exe, PE32 12->45 dropped 47 C:\Users\user\AppData\Local\...\nsis7z.dll, PE32 12->47 dropped 49 26 other files (none is malicious) 12->49 dropped file6 signatures7 process8 dnsIp9 77 Loading BitLocker PowerShell Module 17->77 27 conhost.exe 17->27         started        29 WmiPrvSE.exe 17->29         started        57 tmall.com 59.82.44.30 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 20->57 31 conhost.exe 20->31         started        59 baidu.com 39.156.66.10 CMNET-GDGuangdongMobileCommunicationCoLtdCN China 23->59 33 conhost.exe 23->33         started        61 qq.com 203.205.254.157 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 25->61 63 taobao.com 59.82.122.130 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 25->63 65 13 other IPs or domains 25->65 35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 conhost.exe 25->39         started        41 conhost.exe 25->41         started        signatures10 process11
Gathering data
Verdict:
malicious
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Loads dropped DLL
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

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
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments