MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92
SHA3-384 hash: df1fb781315b14aca81ba0e204a63527a1b6f8646352bc322b6d99b87dad62ee7025bd69a2d20cf1b7a25f02a1bddaee
SHA1 hash: cbac7cdb0b393a64a25726c09c718616e83ffa8f
MD5 hash: 8cca6d631010620a368ddc7925c0649c
humanhash: utah-tango-undress-golf
File name:setup.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:298'496 bytes
First seen:2023-03-20 12:08:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c901cf1b33a79cac7fcfec57ffb66976 (4 x Amadey, 4 x Smoke Loader, 3 x Stealc)
ssdeep 3072:2D2H6X9LmnZiTw5aX/ifwSYt3pkki/c9yEh+vp5nbrSLJhCe:MX9LmnMTlX/iYSYPkR/cWvzvohC
Threatray 15 similar samples on MalwareBazaar
TLSH T1F354F853F2E17D44E926CB728E2FC6E8761DF6509E59BB6D321CAA3B04B00B2C163715
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0088a05248504000 (1 x Stealc)
Reporter Chainskilabs
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-20 12:10:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ac485091-2e9c-4142-a76c-e9b88ee40905

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/375922/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74272/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed ransomx
Link:
https://www.filescan.io/uploads/64184cdf28f6cfd59136c85c/reports/9064ebc3-a451-4455-9893-ed8c382589cb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92
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/8fb42806-2215-4f60-b1b3-591a36a2587c
Result
Threat name:
Laplas Clipper, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1197785
Signature
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 many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Laplas Clipper
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 830681 Sample: setup.exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 9 other signatures 2->57 8 setup.exe 19 2->8         started        13 ntlhost.exe 2->13         started        15 ntlhost.exe 2->15         started        process3 dnsIp4 41 45.87.154.30, 49698, 80 ASN-POSTLTDRU Russian Federation 8->41 43 185.119.196.167, 49699, 80 IN2IP-ASNL France 8->43 37 C:\Users\user\AppData\...\AFHDBGHJKF.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\lap[1].exe, PE32 8->39 dropped 67 Detected unpacking (changes PE section rights) 8->67 69 Detected unpacking (overwrites its own PE header) 8->69 71 Tries to steal Mail credentials (via file / registry access) 8->71 73 4 other signatures 8->73 17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        file5 signatures6 process7 process8 21 AFHDBGHJKF.exe 1 2 17->21         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 timeout.exe 1 19->29         started        file9 35 C:\Users\user\AppData\Roaming\...\ntlhost.exe, PE32 21->35 dropped 59 Multi AV Scanner detection for dropped file 21->59 61 Detected unpacking (changes PE section rights) 21->61 63 Detected unpacking (overwrites its own PE header) 21->63 65 Machine Learning detection for dropped file 21->65 31 ntlhost.exe 21->31         started        signatures10 process11 dnsIp12 45 45.87.154.105, 49702, 49704, 49705 ASN-POSTLTDRU Russian Federation 31->45 47 Detected unpacking (changes PE section rights) 31->47 49 Detected unpacking (overwrites its own PE header) 31->49 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-19 20:23:29 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvjzunj5ln7brod3gd3rorknyjoeeymvjwl266ivs3vetlfr7kja._file
Verdict:
malicious
Similar samples:
04fd3794814871b31fef000b51e51b6c20ad7646b3c74a585a668f95cf14fa06
Stealc
0cfc62e9e3fb70c9319f2b5785dba4a7632b137daf8e0268a557ba9f70e403b3
Stealc
34bb4acf55ee9866edad0f31075c09276dbb303b004b63a1ce00b3504e7c9bc3
Stealc
61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd
Stealc
8384eb97c0fd7d916cdb454b2212794a8eafa37fe6c7165644d02e8d9bfe5237
Stealc
9e1cc2a7e7a7cc723e5b5f7a8c168444dbe69250621ab831d255cef422a5b210
Stealc
b0b43ad37b67f195e91262b2c26983cab6a449c0da779f932a6557a9366e2a24
Stealc
be17c8aac5b1f95da13702092d5d3c37c98f12d0ff7704f163f43a2ab890bcc6
Stealc
ccd1cde08e07f3be31008ea2b7ace4190317f179c3a75e0b9e88670aa70626cb
Stealc
efd930a05e3497d82dec3bf394060900c09945105250b2207326f396bc921ea9
Stealc
+ 5 additional samples on MalwareBazaar
Result
Malware family:
laplas
Create hunting rule
Score:
  10/10
Tags:
family:laplas clipper discovery persistence spyware stealer
Link:
https://tria.ge/reports/230320-pbfwsadd74/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
GoLang User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Laplas Clipper
Malware Config
C2 Extraction:
http://45.87.154.105
Unpacked files
SH256 hash:
c69ee2ee64b59296b180c5360c6712126ceada878f7e4208852d4eafe77541bc
MD5 hash:
8d7eb02c55decb94bc7035b6876f144a
SHA1 hash:
4b68feda43c4b4c36e81c7effa65c98c5ec182ca
Link:
https://www.unpac.me/results/ef9e2661-64f5-4872-8506-6b73f8ec3053/
SH256 hash:
15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92
MD5 hash:
8cca6d631010620a368ddc7925c0649c
SHA1 hash:
cbac7cdb0b393a64a25726c09c718616e83ffa8f
Link:
https://www.unpac.me/results/ef9e2661-64f5-4872-8506-6b73f8ec3053/
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/15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2575099/
Cape
Cape
https://www.capesandbox.com/analysis/375922/

Comments