MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
SHA3-384 hash: 2d6bcf0f879a0f8efd508585d3cb4defd2c73ee1b5bc4f8acf9a78570f60591846b528073aaee1021012f26f22a5c77c
SHA1 hash: 1efb30d02a0dff37f5e91c86d48d58d367db9822
MD5 hash: f8a943148f4ccf8949b317b7a8147513
humanhash: pasta-robin-table-fish
File name:f8a943148f4ccf8949b317b7a8147513.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:207'872 bytes
First seen:2024-04-29 13:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 01898177ba9cb8dd836c1011eeda6231 (9 x Stealc, 2 x Arechclient2, 1 x MarsStealer)
ssdeep 3072:32lSK9paukcsbet5OMpFpFN2nEuA2U5Q1Pd:3Sh3vsbeBf/N0Dd1
TLSH T16F14CF0572B0C472D69758B459B5C2ED5A3FB833B7A0918B724027AE0E71FD11A363AE
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 64d29a9889a989a9 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.151/7043a0c6a68d9c65.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 13:25:38 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/c8c2d55f-e234-4068-afce-0dd4fea87252

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
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/662f9fef54bafb7d21e5fc8e/reports/10956bdf-4c05-463c-bdd2-332425fbb325/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f8f0e92-c4db-4447-9daa-dde2b42a5606
Result
Threat name:
Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433385
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 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
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 13:26:05 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gecs5f5554zebyjeuhr3pwzmprc2ebwrx7if7wayz7r5lddukigq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/240429-qpkbssca4v/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://185.172.128.151
Unpacked files
SH256 hash:
34191242a36acb1932dde13416a12b5206a1688bbf48ee00b4a735fbec31e49c
MD5 hash:
dddbeb717a8347ba8a4f3cc1b7f0a823
SHA1 hash:
7e546bc5c38d5434d637ee367ed7e06b04e12e9a
Detections:
stealc
Create hunting rule
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/f42243bf-14f5-451b-9917-6614ed1c11e3/
Parent samples :
828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9
2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c
b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb
34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35
ebd2762a31add17ea93d027db70242ed934bf2e7451b3a6bbe472a69d789197d
448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1
05ce414e1e8ed6bb69f76017e7daecf72375b71bdf5e2f8b8ec294c5887aa8b7
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
d75944f20168d0585058bd5b7035c79c4728cda469bf1edee6f62bfd2847ea67
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
5582b042cd5654b5fe130a0ecb5c1e6a4acafc2699e43623625d0ec1393e7439
fba5ceee28251849d9109dc3d0a84207f71983d378786b1c0f0f4b5d38371e33
806e53a683ec3126336abe61b387f8f9f94d7bae0b0f2389751764f8b4ab18ec
c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9
373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49
SH256 hash:
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
MD5 hash:
f8a943148f4ccf8949b317b7a8147513
SHA1 hash:
1efb30d02a0dff37f5e91c86d48d58d367db9822
Link:
https://www.unpac.me/results/f42243bf-14f5-451b-9917-6614ed1c11e3/
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/31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Stealc

Executable exe 31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2810818/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2754939/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetConsoleDisplayMode
KERNEL32.dll::SetConsoleTitleW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments