MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89
SHA3-384 hash: ff9688bd84602fce7ff9d12310bb1b8456a3fb13f78cfce06ce7af9ab129203d9dae96a77bf924bdb0152c36ed0e876b
SHA1 hash: 44d4df6b076eae9917163a365a878b9a312f777e
MD5 hash: bf15c68df0cae4731bbd973cb07ce8b4
humanhash: oklahoma-virginia-california-video
File name:file
Download: download sample
Signature MarsStealer
Create hunting rule
File size:278'016 bytes
First seen:2023-11-22 00:24:59 UTC
Last seen:2023-11-22 04:59:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash edffd74b291a0c850c46a44e0038abd5 (1 x LummaStealer, 1 x MarsStealer, 1 x Smoke Loader)
ssdeep 6144:FXRIKr8D2LFDhMBFvvOfj5TJ0oXKWFR4q:Fh/8D2LneF0jJJ0qKWFRb
TLSH T1A5445C125391B861E6134E328E2BC6E7665DBB618F15E7AB2334EA2F04711E1CF63F11
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 0808084211151410 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


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

Intelligence

File Origin
# of uploads :
10
# of downloads :
370
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/459628/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.10864.9391.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin packed
Link:
https://www.filescan.io/uploads/655d4a5f3507331bae33d12e/reports/7c463b83-aec6-4d15-af1b-362bd9c1d293/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e493369-db3b-4dea-8e14-51e31f045df9
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346166
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 domain / URL
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2023-11-22 00:25:05 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eu24cfuy5h3oglw7cqdoxrq7eeasefumc76orjbvd7yi7yg6bseq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231122-aqly1sab7z/
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
Create hunting rule
win_stealc_bytecodes_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/5c958780-5388-4c7a-89c4-af16607b972c/
Parent samples :
6c92d4783045aee396d42a4d9c93d61689d61021d3988b5f12c8ad9f2b0ab233
1cbdb7e611c27bd4344a10668b38005a97ac8033a2d0de66a679c3c0d1d1baa0
1bf63c1adb88498687aa8e1f11fc3c407428f53d01777a57af7f98c8df9321d4
698d0121ad84456cad91925ad212150e1184e62a62944f3d77742afc9deef181
87311ed80951cc053586af2a334c92fbb2a31ed42333d033c28619943c1f1bc7
b2ae2cf6d1b4cd0e5a2c48189930395f00b59be375dd3e7933b3a4027b4e8bc0
04ee31ace9e5b55806f4cb1e83cc10ea5387bb637e95e6931edde9fa2a1de97c
ed4c0534aae3c2614926b2dcffa2d1c2b7421087d46248c8d6c1bfdbb9ef6ffc
40431e3f0e148bfed6f665b8c02ccef4060f8c943a69f5df435bfe51fff40e9a
3d574af4a43dd7ae7244cdbb6381af34fbad237a93627c47b6ca07ff7a8f04c6
846447da1f4248b8ee8c02825f49afef8fe9ece913217531678d1e82b7ea987c
29a016d1e9b67479b8ec62a2abdd36cd8a92afbc767d11b8573a8b4309739a02
2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89
6901ec63c2d421d936a33503232e60a3b80316220c0b29e52622e5c9ceff8994
68f6ce06f665b89a0f03385ae3b6ecfd399d259c78f614c571be462f527c43da
4530a5f93255f6cc636a719a65300fff24a84e217432ecd15db5151eda930bc8
78c845f53d2bf914d20c871e2cd6a41d617d7e6316d9e235abee02a45b8ded86
f4f6e26c82aebae328be74a76c4cd83c62a47159a29e0fc673be000a74c45c91
a4cb8f801a1ffd8245756b273de1eb9d39331248b0caa10b1ca6a4eac1d9a676
1c922d5d98f3333762eeea86319db57bef6ccf320f48b05b59166bc1451eb86c
0dbb4b2aa0a5f807e079f89b341dd2e1dba6f6e8b1b0ebbc75fa71dd850b2df6
2ad35ee0bca9bfd6fdcf4e613ef58d12e2ea611cb561283bacc1d75bb85a514a
SH256 hash:
2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89
MD5 hash:
bf15c68df0cae4731bbd973cb07ce8b4
SHA1 hash:
44d4df6b076eae9917163a365a878b9a312f777e
Link:
https://www.unpac.me/results/5c958780-5388-4c7a-89c4-af16607b972c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2535c11698e9/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/2535c11698e9f6e32edf1406ebc61f210122168c17fce8a4351ff08fe0de0c89

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: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/459628/
  
URLhaus
https://urlhaus.abuse.ch/url/2728025/

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