MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cbdb7e611c27bd4344a10668b38005a97ac8033a2d0de66a679c3c0d1d1baa0. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 1cbdb7e611c27bd4344a10668b38005a97ac8033a2d0de66a679c3c0d1d1baa0
SHA3-384 hash: 1d7f0bfc4104f92f5ef5ac4a9e8fecabfae7c9ae67995f6fb8f54e8a0914578dd118eb7ba074da48e6c8c0f5ead6662f
SHA1 hash: 987dc6c4acd7211cfcfdcaac4cc7c7ab21223f91
MD5 hash: d66c44543879a1d56eac0ea9a975ca89
humanhash: mirror-triple-fanta-single
File name:file
Download: download sample
Signature Stealc
File size:211'968 bytes
First seen:2023-11-20 17:01:59 UTC
Last seen:2023-11-20 18:20:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 238e0fa0f52afef2ef7eb9659d95319e (4 x Smoke Loader, 1 x Stealc, 1 x Tofsee)
ssdeep 3072:tnj5zbZPPs7CwOAL1BKOU5j/C/SDs6AHZ9k6oKlkMJtR7jFZbvChdj:HxPSC/ABBKOSj/oSDs6AHZ9jZJjHU
TLSH T11F24BF2276E1C073F3674934AAB282655A377CE18771DADF2B841B7E0E212D1CB79316
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0490d24842404442 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://194.49.94.48/timeSync.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
337
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
https://colombianosprofesionalesenontario.com/wp-content/upgrade/reliase_091.rar
Verdict:
Malicious activity
Analysis date:
2023-11-20 18:21:16 UTC
Tags:
privateloader evasion opendir loader risepro stealer stealc vidar redline tofsee botnet smoke sinkhole autoit miner ransomware stop lumma trojan

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

Behaviour
Сreating synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Searching for the window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed
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
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)
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.Trojan.Privateloader
Status:
Malicious
First seen:
2023-11-20 17:02:06 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
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://danielhamerling.icu
Unpacked files
SH256 hash:
fced7adf4f6517742c788d7c85453d103f0f432d7322575dbf64e8f8b6979045
MD5 hash:
e7c3d1a6c995ace57b0d112b66de64f5
SHA1 hash:
865a685f1e5d2c3ef1f6f80f90f5bfff6b6a02fe
Detections:
stealc win_stealc_bytecodes_oct_2023
SH256 hash:
1cbdb7e611c27bd4344a10668b38005a97ac8033a2d0de66a679c3c0d1d1baa0
MD5 hash:
d66c44543879a1d56eac0ea9a975ca89
SHA1 hash:
987dc6c4acd7211cfcfdcaac4cc7c7ab21223f91
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__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_stealc_w0
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Author:Matthew @ Embee_Research

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

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