MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7
SHA3-384 hash: 500ecf25f50d4e5768fa7a130b81cd4760d12c5369044fd02f3f7f10f20f190673644159b60fb4695ddb049946d5dec8
SHA1 hash: a4d81f0d71f6e26ac4673db25aa312407221c707
MD5 hash: 62682dd05ce9c8d39825c021ed80bbbd
humanhash: papa-island-johnny-cup
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:271'360 bytes
First seen:2023-11-03 08:17:13 UTC
Last seen:2023-11-03 11:14:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ee827750429cc6977e10fe712ee76a8f (2 x Stealc, 2 x MarsStealer, 1 x Smoke Loader)
ssdeep 3072:/DuFuMxDFtkZAUo4iOYxRW5kYXLgQ/ws1/wNb8Tobsyxd:KuMxjkZA/4TYmtXEQpwlIy
TLSH T1EE444B7352B17C62E526C7328E1EC7F87A1EB9608F4537EA12659E2F09701F1C27271A
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 0424110b11110105 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


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

Intelligence

File Origin
# of uploads :
3
# of downloads :
328
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/458004/
Detection(s):
SecuriteInfo.com.W32.Kryptik.KZU.gen.Eldorado.23292.30149.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed
Link:
https://www.filescan.io/uploads/6544acc7bc703e36b098ff66/reports/3d2d1bca-d676-4a8e-b171-1fa726f47891/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7
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:
Stealc
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4644554c-8ed4-4550-90da-15156ebe36be
Result
Threat name:
Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1336546
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
Leaks process information
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1336546 Sample: file.exe Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 20 henryjackson.icu 2->20 24 Snort IDS alert for network traffic 2->24 26 Multi AV Scanner detection for domain / URL 2->26 28 Found malware configuration 2->28 30 9 other signatures 2->30 8 file.exe 13 2->8         started        signatures3 process4 dnsIp5 22 henryjackson.icu 193.106.175.190, 49713, 49714, 49715 IQHOSTRU Russian Federation 8->22 32 Detected unpacking (changes PE section rights) 8->32 34 Detected unpacking (overwrites its own PE header) 8->34 36 Self deletion via cmd or bat file 8->36 38 2 other signatures 8->38 12 cmd.exe 1 8->12         started        14 WerFault.exe 22 16 8->14         started        signatures6 process7 process8 16 conhost.exe 12->16         started        18 timeout.exe 1 12->18         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2023-11-03 08:18:04 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rc2ilmsql6squuc5bto3n57kccta2e36acfa4knajymo7rr2dtlq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231103-j69vfsgd86/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Checks installed software on the system
Reads user/profile data of web browsers
Stealc
Malware Config
C2 Extraction:
http://henryjackson.icu
Unpacked files
SH256 hash:
22a31b33dde471c830798c72f35a05094db27698ac8335d7f3ca918f76b69719
MD5 hash:
963f7dc69a03f4dcd51383cdd17f95f6
SHA1 hash:
b7f5167413880edb786e9ea915b96047c69a6344
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/cfc3adde-1502-49f2-b12d-135b498ff299/
Parent samples :
e62ad7ec11bb6ee1930f9339553274bb890d70e07b3141e124973a8e6927b5c1
88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7
SH256 hash:
88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7
MD5 hash:
62682dd05ce9c8d39825c021ed80bbbd
SHA1 hash:
a4d81f0d71f6e26ac4673db25aa312407221c707
Link:
https://www.unpac.me/results/cfc3adde-1502-49f2-b12d-135b498ff299/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88b485b2505f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/88b485b2505fa50a505d0cddb6f7ea10a60d137e008a0e29a04e18efc63a1cd7

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
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
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/458004/

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