MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d381efbc2ea684b34bd852804284d9a9a27ce458be61ee375268d76681bec748. 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 2 File information Comments

SHA256 hash: d381efbc2ea684b34bd852804284d9a9a27ce458be61ee375268d76681bec748
SHA3-384 hash: 9ff110a4d315b6a5b6231c82d6fae541cbee3a83b7ea502775e18d1aaa900205ac79c4a5f36c6f34083533eb07be5802
SHA1 hash: ee4570ff9012accd0f314024c6b0610e8538d6e6
MD5 hash: 4406e9c6faab7ab95c4e0550d7756dbc
humanhash: sad-winter-indigo-eight
File name:file
Download: download sample
Signature Stealc
File size:342'528 bytes
First seen:2023-11-24 22:42:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5c80077e1547ffc6f55b1869a125ea4a (4 x Smoke Loader, 1 x Stealc)
ssdeep 3072:iJVu4ae7hI4Z3Fk5gPFMmbdhmSt4Z8f+5Fxo87SqD54KVhiTrYdke0:v4aeP3F0CdhmSt4ZX7u8hiTGx
TLSH T15D74A64386E13D44EE278B729F2FC6EC7B1DF6518E4A7B6A12189E2F44B1272D163710
TrID 38.7% (.EXE) InstallShield setup (43053/19/16)
28.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 000818080a0a0400 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://noahhausner.icu/timeSync.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
366
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2023-11-24 22:43:06 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://finnmanninger.icu
Unpacked files
SH256 hash:
3dfbec388b15267cbed80e5287f674b5047bd57c74e292beae4ccf8905441a51
MD5 hash:
381f4376ca32031b8006b9e6d2d82f57
SHA1 hash:
e989f6ce84f1847a35b8168b8e92d4b2a1186e76
Detections:
stealc win_stealc_a0 win_stealc_bytecodes_oct_2023
SH256 hash:
d381efbc2ea684b34bd852804284d9a9a27ce458be61ee375268d76681bec748
MD5 hash:
4406e9c6faab7ab95c4e0550d7756dbc
SHA1 hash:
ee4570ff9012accd0f314024c6b0610e8538d6e6
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments