MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8b4c61975523018667cb160e89bbf3e0fedd24025818765a572cf2aa6bd9ce4. 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 1 YARA 5 File information Comments

SHA256 hash: e8b4c61975523018667cb160e89bbf3e0fedd24025818765a572cf2aa6bd9ce4
SHA3-384 hash: 476bf4a9e2143ea7d74f8b7e1c2862d143dc1ed1cae727482768eb50a84115d1f0af3bd6df171080b7b5f502e0eeb816
SHA1 hash: 6b03e41a54b8f99dd86e957f825129fd5d39594a
MD5 hash: 17031644b5a2f9474092a571f09358b3
humanhash: mirror-echo-early-fruit
File name:e8b4c61975523018667cb160e89bbf3e0fedd24025818765a572cf2aa6bd9ce4
Download: download sample
Signature Stealc
File size:4'731'810 bytes
First seen:2024-08-04 07:46:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d7e2fd259780271687ffca462b9e69b7 (6 x AsyncRAT, 6 x LummaStealer, 6 x AurotunStealer)
ssdeep 98304:cfUbrL6eN5NulK5v+CITkeWD/sfBJflWmb4Fzr7gEAVfEBNU4a57jY:cfUnfbU4Z+pwPsDNorkEAVMLU46jY
TLSH T12226233291A15032E7F106B3BE79A1343D3CA738271144AAD7D4AD1DBDE8086A7FB257
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b2e1b496a6cada72 (13 x LummaStealer, 12 x AsyncRAT, 8 x Rhadamanthys)
Reporter JAMESWT_WT
Tags:45-152-112-131 exe Stealc

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.152.112.131/8ee66a3c8f19e4b5.php https://threatfox.abuse.ch/ioc/1306889/

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e8b4c61975523018667cb160e89bbf3e0fedd24025818765a572cf2aa6bd9ce4
Verdict:
Malicious activity
Analysis date:
2024-08-04 07:49:53 UTC
Tags:
stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Network Static Stealth Trojan Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching cmd.exe command interpreter
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CAB crypto expand fingerprint installer keylogger lolbin microsoft_visual_cc overlay packed packed runonce shell32
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Contains functionality to behave differently if execute on a Russian/Kazak computer
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
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1487453 Sample: SPy03xTU2F.exe Startdate: 04/08/2024 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Powershell download and execute 2->55 57 3 other signatures 2->57 10 SPy03xTU2F.exe 3 2->10         started        process3 file4 41 C:\Windows\Temp\...\SPy03xTU2F.exe, PE32 10->41 dropped 13 SPy03xTU2F.exe 12 10->13         started        process5 file6 43 C:\Windows\Temp\...\RegisterIdr.dll, PE32 13->43 dropped 45 C:\Windows\Temp\...\ProductStatistics3.dll, PE32 13->45 dropped 47 C:\Windows\Temp\...\Presidio.dll, PE32 13->47 dropped 49 C:\Windows\Temp\...49ewfts.exe, PE32 13->49 dropped 85 Multi AV Scanner detection for dropped file 13->85 17 Newfts.exe 8 13->17         started        signatures7 process8 file9 33 C:\Users\user\AppData\...\RegisterIdr.dll, PE32 17->33 dropped 35 C:\Users\user\...\ProductStatistics3.dll, PE32 17->35 dropped 37 C:\Users\user\AppData\Roaming\...37ewfts.exe, PE32 17->37 dropped 59 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 17->59 61 Contains functionality to behave differently if execute on a Russian/Kazak computer 17->61 63 Switches to a custom stack to bypass stack traces 17->63 65 Found direct / indirect Syscall (likely to bypass EDR) 17->65 21 Newfts.exe 1 17->21         started        signatures10 process11 signatures12 67 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->67 69 Maps a DLL or memory area into another process 21->69 71 Switches to a custom stack to bypass stack traces 21->71 73 Found direct / indirect Syscall (likely to bypass EDR) 21->73 24 cmd.exe 2 21->24         started        process13 file14 39 C:\Users\user\AppData\Local\...\kdrtcsdryjuvs, PE32 24->39 dropped 75 Injects code into the Windows Explorer (explorer.exe) 24->75 77 Writes to foreign memory regions 24->77 79 Found hidden mapped module (file has been removed from disk) 24->79 81 Switches to a custom stack to bypass stack traces 24->81 28 explorer.exe 24->28         started        31 conhost.exe 24->31         started        signatures15 process16 signatures17 83 Switches to a custom stack to bypass stack traces 28->83
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2024-08-03 23:27:00 UTC
File Type:
PE (Exe)
Extracted files:
153
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:meowsterioland1 credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Deletes itself
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Stealc
Malware Config
C2 Extraction:
http://45.152.112.131
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
SH256 hash:
055538f64cc92a7ffdccfb195fab6dba40b4367ef4dbc9c95dcafde38e2511e4
MD5 hash:
56a67c0bb2b5c7422ab42204693ba7f9
SHA1 hash:
fe810c6e8cceb785686b0ba92ebc1bbed5108ba1
SH256 hash:
f3c05b76b65863f2718793992e8dc59aaeb376c87957d19f0255da5e4b7f1941
MD5 hash:
0a1c9b021938bc228ed60e69015f0917
SHA1 hash:
9743fc308b5d5cd2b27786cb774eb6192151eb8a
SH256 hash:
9e69bb3c05461535e5a507ef1890404588d77c9154933f9476c38c96f974f927
MD5 hash:
f8ab3bf2e5b88606c71ff1bb09c7657a
SHA1 hash:
c0a7b247fcbe561c83dcd8817480f4e95055e8c7
SH256 hash:
e8b4c61975523018667cb160e89bbf3e0fedd24025818765a572cf2aa6bd9ce4
MD5 hash:
17031644b5a2f9474092a571f09358b3
SHA1 hash:
6b03e41a54b8f99dd86e957f825129fd5d39594a
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_detect_tls_callbacks

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetNamedSecurityInfoW
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
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::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt FilesADVAPI32.dll::DecryptFileW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextW
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptGetHashParam
ADVAPI32.dll::CryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
ADVAPI32.dll::QueryServiceStatus
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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