MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
SHA3-384 hash: 0e36a49069fe16e82a158a16a66b31a706f9c5ee9eb5951076fcd75a536c88a3273bd781a8f678ecc3dff0cf0f7d83d4
SHA1 hash: ddcf17c954e7dab5059be86202b9c856f55ace48
MD5 hash: edb1582f432aa2989cb72b89d999bed7
humanhash: friend-blue-item-white
File name:edb1582f432aa2989cb72b89d999bed7.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:207'360 bytes
First seen:2024-04-29 10:15:25 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 3072:7bQ9DBqG+V40wkrqgBirS/15Q+PKWxjko:7K0a0z3LY+SWR3
TLSH T1B014DF3132F0C476D6A798B00474DA915A3EB8736BF4819FB2A81FAE4F323D15639356
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 64d29a98a989a981 (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 :
329
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:30:04 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/9cc8ece5-04d0-4f5c-85aa-c07fcc56b9e4

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)
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/662f736554bafb7d21e5be48/reports/6dc8686e-3f4f-4f22-8b8c-21224b7ec871/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
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/735fc38c-b95c-4426-9dfc-9404549958bd
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/1433281
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433281 Sample: XZgB1jxfkl.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 8 other signatures 2->48 6 XZgB1jxfkl.exe 10 69 2->6         started        11 chrome.exe 1 2->11         started        13 chrome.exe 2->13         started        process3 dnsIp4 36 185.172.128.151, 49753, 80 NADYMSS-ASRU Russian Federation 6->36 24 C:\ProgramData\nss3.dll, PE32 6->24 dropped 26 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 6->26 dropped 28 C:\Users\user\AppData\...\softokn3[1].dll, PE32 6->28 dropped 30 9 other files (none is malicious) 6->30 dropped 50 Detected unpacking (changes PE section rights) 6->50 52 Detected unpacking (overwrites its own PE header) 6->52 54 Tries to steal Mail credentials (via file / registry access) 6->54 56 7 other signatures 6->56 15 WerFault.exe 21 16 6->15         started        38 192.168.2.4, 138, 443, 49731 unknown unknown 11->38 40 239.255.255.250 unknown Reserved 11->40 17 chrome.exe 11->17         started        20 chrome.exe 11->20         started        22 chrome.exe 13->22         started        file5 signatures6 process7 dnsIp8 32 www.google.com 172.217.4.196, 443, 49731, 49732 GOOGLEUS United States 17->32 34 142.250.190.132, 443, 49756 GOOGLEUS United States 20->34
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 10:16:05 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dqbvgtsv6iy4ih3yvwnbcc6dshrmsfo2uv7tu3gbcwaz72vdgbdq._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-masg3sgb73/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
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/2806b63e-3df5-4237-80e5-ab8077d497ea/
Parent samples :
828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9
2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c
b708baa9b529adc2da4c9dfeef1a7c62d1a9cc231cb82561334de8c0a99cbbdb
34a227d57e2a5a5b5057ce5080476ce18b07927ac25bd7f843ad2f4eae3f7d35
ebd2762a31add17ea93d027db70242ed934bf2e7451b3a6bbe472a69d789197d
448cba856613f4575d176e1ad44f6988fa55dd48a02c09ed6a60b9fcaac7ccb1
05ce414e1e8ed6bb69f76017e7daecf72375b71bdf5e2f8b8ec294c5887aa8b7
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
d75944f20168d0585058bd5b7035c79c4728cda469bf1edee6f62bfd2847ea67
31052e97bdef3240e124a1e3b7db2c7c45a206d1bfd05fd818cfe3d58c74520d
5582b042cd5654b5fe130a0ecb5c1e6a4acafc2699e43623625d0ec1393e7439
fba5ceee28251849d9109dc3d0a84207f71983d378786b1c0f0f4b5d38371e33
806e53a683ec3126336abe61b387f8f9f94d7bae0b0f2389751764f8b4ab18ec
c867d9e400d87f94d2debce45faf45fb305597de3c5cb71a600d5dcf10ffa0f9
373fdc4b1219c8bd03862099f5f7bc85c46d77b727ee79553fcf978fbcafcc49
SH256 hash:
1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047
MD5 hash:
edb1582f432aa2989cb72b89d999bed7
SHA1 hash:
ddcf17c954e7dab5059be86202b9c856f55ace48
Link:
https://www.unpac.me/results/2806b63e-3df5-4237-80e5-ab8077d497ea/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c03534e55f2/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/1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047

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 1c03534e55f231c41f78ad9a110bc391e2c915daa57f3a6cc115819feaa33047

(this sample)

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

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_NXMissing Non-Executable Memory Protectioncritical
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

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