MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05cb6e4b16538caf570b0636f7462a8c923c5103d35036d2c96d283fb6d3f8ba. 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 4 File information Comments 1

SHA256 hash: 05cb6e4b16538caf570b0636f7462a8c923c5103d35036d2c96d283fb6d3f8ba
SHA3-384 hash: ce380205f54e2103f82d8b66614aa3f0bc844749f73c9470c751b01ed5aa9430b285bb12d230e7fb50bd14c1236e58a9
SHA1 hash: b88f523f5fd8d64e68e47075e857bbee14907074
MD5 hash: 8575786b4cb54a3f18222bc553d6b800
humanhash: mississippi-lithium-nine-mountain
File name:8575786b4cb54a3f18222bc553d6b800
Download: download sample
Signature Stealc
File size:419'840 bytes
First seen:2024-10-30 02:34:35 UTC
Last seen:2024-10-30 04:25:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash badfb6fadfeccc7ec69f82ecbeac88f5 (2 x Stealc)
ssdeep 6144:h+5cESdCCpU6uhuWXMs6kbPUhEhs/2epfLljPuyBK:U5cFwBhufkbPUhmCpzljB
Threatray 364 similar samples on MalwareBazaar
TLSH T11A94E05176F58136F7F74A749878B3981E77F8A37934818F225492AE0E326D19EB2303
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10522/11/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon c6c3c18d8f86ad8d (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
463
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8575786b4cb54a3f18222bc553d6b800
Verdict:
Malicious activity
Analysis date:
2024-10-30 02:35:11 UTC
Tags:
loader stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
exploit cobalt extens agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Result
Verdict:
SUSPICIOUS
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:
Stealc, Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1545065 Sample: Uviv7rEtnt.exe Startdate: 30/10/2024 Architecture: WINDOWS Score: 100 35 198.187.3.20.in-addr.arpa 2->35 37 post-to-me.com 2->37 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 12 other signatures 2->51 8 Uviv7rEtnt.exe 1 17 2->8         started        signatures3 process4 dnsIp5 39 176.113.115.37, 49731, 80 SELECTELRU Russian Federation 8->39 41 post-to-me.com 172.67.179.207, 443, 49730 CLOUDFLARENETUS United States 8->41 23 C:\Users\user\AppData\Local\...\A985.tmp.exe, PE32 8->23 dropped 25 C:\Users\user\...\ScreenUpdateSync[1].exe, PE32 8->25 dropped 53 Detected unpacking (overwrites its own PE header) 8->53 13 A985.tmp.exe 46 8->13         started        file6 signatures7 process8 dnsIp9 43 62.204.41.177, 49732, 80 TNNET-ASTNNetOyMainnetworkFI United Kingdom 13->43 27 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->27 dropped 29 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->29 dropped 31 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->31 dropped 33 9 other files (5 malicious) 13->33 dropped 55 Antivirus detection for dropped file 13->55 57 Multi AV Scanner detection for dropped file 13->57 59 Detected unpacking (changes PE section rights) 13->59 61 10 other signatures 13->61 18 WerFault.exe 21 16 13->18         started        file10 signatures11 process12 file13 21 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->21 dropped
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-10-30 02:35:06 UTC
File Type:
PE (Exe)
Extracted files:
31
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default9_cap discovery stealer
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Stealc
Stealc family
Malware Config
C2 Extraction:
http://62.204.41.177
Unpacked files
SH256 hash:
2f841285068467a1b17875763849bd7d0fd88f732351cd2ce9f000239fbdc34c
MD5 hash:
8855493f8be066bd5b5aa6804925b674
SHA1 hash:
948ff7c8832b5d27c6dd9268004aa46f4f21b69e
SH256 hash:
05cb6e4b16538caf570b0636f7462a8c923c5103d35036d2c96d283fb6d3f8ba
MD5 hash:
8575786b4cb54a3f18222bc553d6b800
SHA1 hash:
b88f523f5fd8d64e68e47075e857bbee14907074
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:DebuggerHiding__Active
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 05cb6e4b16538caf570b0636f7462a8c923c5103d35036d2c96d283fb6d3f8ba

(this sample)

  
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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::VirtualAllocEx
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetConsoleCursorPosition
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleFontSize
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetSystemWow64DirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments



Avatar
zbet commented on 2024-10-30 02:34:36 UTC

url : hxxp://176.113.115.37/InstallSetup.exe