MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920. 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


Stealc


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920
SHA3-384 hash: 26ff417229b06b824d61ad333d4bc8a7e8e1c36e2efe6f39103ebb51ad160475fc523c9a4a298123c55ad1fec83625c7
SHA1 hash: 918b198ad13af4c52b4518ff22a2a032e86e3679
MD5 hash: 4c5dbf388f5de761e45f268186f8be27
humanhash: october-tennessee-kentucky-red
File name:updateload.bin
Download: download sample
Signature Stealc
Create hunting rule
File size:3'216'816 bytes
First seen:2024-08-05 09:38:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 49152:DUvC/MTQYNsWy9aRV0NmZfClF/sKkTUD6CsRBJgsoDDeA:IjTQYNsWy6FClFUKkwWRBSpDDeA
TLSH T137E5AE3B71135011CC4E44328182F1B1A9AF1F4A198B952991E77FB7793CEAD923F2A7
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 67676767e76767e7 (1 x LummaStealer, 1 x Stealc)
Reporter vm001cn
Tags:45-152-112-131 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
HK HK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://pan.huang1111.cn/s/O8qBGUL
Verdict:
Malicious activity
Analysis date:
2024-08-05 09:31:30 UTC
Tags:
sharepoint possible-phishing stealer stealc
Link:
https://app.any.run/tasks/50f7b542-7464-4528-83b8-5ef53e1c9be7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b09dc6037b02d0daedaff0
Tags:
Encryption Execution Infostealer Network Static Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-vm autoit epmicrosoft_visual_cc evasive fingerprint keylogger lolbin lolbin masquerade microsoft_visual_cc overlay packed remote shell32 wmic
Link:
https://www.filescan.io/uploads/66b09dbe84afcda962651e7a/reports/f094782a-c11d-41ef-a73a-b76f3afa2c21/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920
Result
Verdict:
MALICIOUS
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/1bdb5754-bf54-4c50-a6e2-d2941c473c51
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1487910
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
76%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-08-05 08:38:59 UTC
File Type:
PE (Exe)
Extracted files:
231
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=skrbrnfwzpljnsyhngfc3ih4qv4k2h4wnkefbhrf3obh72c2feqa._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader family:stealc botnet:meowsterioland4 credential_access discovery loader spyware stealer
Link:
https://tria.ge/reports/240805-lmm8fssejl/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Deletes itself
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Stealc
Malware Config
C2 Extraction:
http://45.152.112.131
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/17befee6-d6a5-4a7d-8605-ca2663880c6b
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/6d73394f-fa09-48a5-83f5-690785d97d37/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/6d73394f-fa09-48a5-83f5-690785d97d37/
SH256 hash:
92a218b4b6cbd696cb07698a2da0fc8578ad1f966a88509e25db827fe85a2920
MD5 hash:
4c5dbf388f5de761e45f268186f8be27
SHA1 hash:
918b198ad13af4c52b4518ff22a2a032e86e3679
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/6d73394f-fa09-48a5-83f5-690785d97d37/
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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

Comments


Avatar
QVM360 commented on 2024-08-05 10:00:02 UTC

800000th sample!