MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c1062e65701fdea8fa0eca0884f974b8c9e6cfe70391dfc33fcbf5594b1ebf8. 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



MarsStealer


Vendor detections: 15


Intelligence 15 IOCs YARA 10 File information Comments

SHA256 hash: 1c1062e65701fdea8fa0eca0884f974b8c9e6cfe70391dfc33fcbf5594b1ebf8
SHA3-384 hash: 30bf1862f8583acdef2ee1773e71cf4cea2d14e5887d8ff387cafd85cbad6f723e605e0a7abc5c87775d881d1a609bdd
SHA1 hash: 7c87761be8d70236c80c4780f633241557ec9088
MD5 hash: 27695c4b9737a5cf0fcd78604e2b9292
humanhash: sixteen-leopard-cola-beer
File name:file
Download: download sample
Signature MarsStealer
File size:182'272 bytes
First seen:2023-10-25 00:31:13 UTC
Last seen:2023-10-25 04:48:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4a29bea1f6157bee80d443c8ac974ac6 (1 x MarsStealer, 1 x TeamBot, 1 x Tofsee)
ssdeep 3072:yHBN7RxrIuql08tXVNr3Eip/ONA9xv7C+aEwK+tGIpxFxl:iH5jE08tXVNr1p20JCGw/tGS
Threatray 4 similar samples on MalwareBazaar
TLSH T11504D02272D1D072D1A399301A71D2B22E3FBD326B7595CF37940A3D5E707D0AA7A392
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0a4a4a4a4a4b0b2 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://jamesjordan.top/timeSync.exe

Intelligence


File Origin
# of uploads :
9
# of downloads :
327
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-25 00:34:06 UTC
Tags:
stealc stealer oski

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

Behaviour
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-25 00:32:05 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Checks installed software on the system
Stealc
Unpacked files
SH256 hash:
1c1062e65701fdea8fa0eca0884f974b8c9e6cfe70391dfc33fcbf5594b1ebf8
MD5 hash:
27695c4b9737a5cf0fcd78604e2b9292
SHA1 hash:
7c87761be8d70236c80c4780f633241557ec9088
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:DebuggerException__SetConsoleCtrl
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

Comments