MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments

SHA256 hash: a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0
SHA3-384 hash: f4577d64e348bc345ca4771fd79a3219400b378918b6ed21873a69c388a092f15b21d7c02e9dbaf0cf42c2e6056704c2
SHA1 hash: 5105f89898a3d9e5b5b52ddcd7d0a3b167aaf701
MD5 hash: 731ff38afbc5a664f5a458e222d91f84
humanhash: batman-sixteen-illinois-sixteen
File name:file
Download: download sample
Signature Stealc
File size:2'799'840 bytes
First seen:2024-05-10 16:34:22 UTC
Last seen:2024-05-11 17:22:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f6df573862725a7261d77e9eebaebd3a (1 x AgentTesla, 1 x Stealc, 1 x Glupteba)
ssdeep 24576:3RoBHi3buy4toE1jC6Ayo2xhWLbSPlqRvc68XzRVGvxB5VA0UC1dUUKj/OZ8j3g3:BoKmo4jC6TovDRUC1doj/Tg3
Threatray 15 similar samples on MalwareBazaar
TLSH T1C6D5AE16D3F401A5D47BD634CA2D8733D6B0B8561B34E28B0A09D7962F73A928B7F721
TrID 45.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
33.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter Bitsight
Tags:exe signed Stealc

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-05-10T11:17:29Z
Valid to:2025-05-10T11:17:29Z
Serial number: 100914045ea7b98446f230f4afc1c812
Thumbprint Algorithm:SHA256
Thumbprint: 34fe3ebfff05780c9102d784a8fa5e4f258d67f132d14f81ceb62a8f35d606cc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://5.42.96.78/files/Isetup2.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
367
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0.exe
Verdict:
Malicious activity
Analysis date:
2024-05-10 16:35:39 UTC
Tags:
opendir loader gcleaner adware neoreklami

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Connection attempt to an infection source
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin overlay packed regedit remote shell32
Result
Threat name:
Neoreklami, PrivateLoader
Detection:
malicious
Classification:
rans.troj.adwa.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops script or batch files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Neoreklami
Yara detected PrivateLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1439750 Sample: file.exe Startdate: 10/05/2024 Architecture: WINDOWS Score: 100 102 Malicious sample detected (through community Yara rule) 2->102 104 Antivirus detection for URL or domain 2->104 106 Antivirus detection for dropped file 2->106 108 6 other signatures 2->108 10 file.exe 1 2->10         started        13 cmd.exe 2->13         started        process3 signatures4 114 Writes to foreign memory regions 10->114 116 Allocates memory in foreign processes 10->116 118 Sample uses process hollowing technique 10->118 120 Injects a PE file into a foreign processes 10->120 15 RegAsm.exe 15 324 10->15         started        20 conhost.exe 10->20         started        22 conhost.exe 13->22         started        process5 dnsIp6 82 5.42.96.78 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 15->82 84 185.172.128.59 NADYMSS-ASRU Russian Federation 15->84 86 8 other IPs or domains 15->86 56 C:\Users\...\xuvVVsAHbAQROVNjPRriWX06.exe, PE32 15->56 dropped 58 C:\Users\...\vS7DMfdfyFir8qMKyKiJDSBc.exe, PE32 15->58 dropped 60 C:\Users\...\u8ao7HXXoOjErr9Jf4CFNMkb.exe, PE32 15->60 dropped 62 195 other malicious files 15->62 dropped 96 Drops script or batch files to the startup folder 15->96 98 Creates HTML files with .exe extension (expired dropper behavior) 15->98 100 Writes many files with high entropy 15->100 24 3OBALS9V7UizAx9bVxvA7ujd.exe 15->24         started        27 8x4REvZd3ekQaTkshuR10UQF.exe 15->27         started        29 aSbARLupoEDTEtic19MvBlVT.exe 6 15->29         started        31 27 other processes 15->31 file7 signatures8 process9 dnsIp10 76 3 other malicious files 24->76 dropped 35 Install.exe 24->35         started        64 C:\Users\user\AppData\Local\...\changepk.exe, PE32+ 27->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\calc.exe, PE32+ 27->66 dropped 68 C:\Users\user\AppData\Local\...\Install.exe, PE32 27->68 dropped 38 Install.exe 27->38         started        78 3 other malicious files 29->78 dropped 40 Install.exe 29->40         started        88 185.172.128.228 NADYMSS-ASRU Russian Federation 31->88 90 185.172.128.90 NADYMSS-ASRU Russian Federation 31->90 70 C:\Users\user\AppData\Local\Temp\u5oc.0.exe, PE32 31->70 dropped 72 C:\Users\user\AppData\Local\...\changepk.exe, PE32+ 31->72 dropped 74 C:\Users\user\AppData\Local\Temp\...\calc.exe, PE32+ 31->74 dropped 80 13 other malicious files 31->80 dropped 92 Detected unpacking (changes PE section rights) 31->92 94 Detected unpacking (overwrites its own PE header) 31->94 42 Install.exe 31->42         started        44 Install.exe 31->44         started        file11 signatures12 process13 signatures14 110 Multi AV Scanner detection for dropped file 35->110 112 Modifies Windows Defender protection settings 35->112 46 cmd.exe 35->46         started        48 forfiles.exe 35->48         started        50 cmd.exe 38->50         started        process15 process16 52 conhost.exe 46->52         started        54 conhost.exe 50->54         started       
Result
Malware family:
Score:
  10/10
Tags:
family:glupteba family:stealc family:zgrat discovery dropper evasion execution loader persistence rat rootkit spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Drops Chrome extension
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Modifies boot configuration data using bcdedit
Detect ZGRat V1
Glupteba
Glupteba payload
Modifies Windows Defender Real-time Protection settings
Stealc
Windows security bypass
ZGRat
Malware Config
C2 Extraction:
http://185.172.128.150
Unpacked files
SH256 hash:
a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0
MD5 hash:
731ff38afbc5a664f5a458e222d91f84
SHA1 hash:
5105f89898a3d9e5b5b52ddcd7d0a3b167aaf701
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:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0

(this sample)

  
Dropped by
Privateloader
  
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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::RevertToSelf
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
ADVAPI32.dll::RegSetValueExA

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