MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119. 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: 12


Intelligence 12 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119
SHA3-384 hash: 6a4f0b2b38f9d09b649bca2093a24dad9215876dfbcf92b03a48849d6ee6b50076e292cdc214868510d1d440c8bb1841
SHA1 hash: a8d245a17cf13ec310fb17641d345cd15ca9da2a
MD5 hash: 82e727db6536a085295e303cc8a16e91
humanhash: equal-item-saturn-one
File name:82e727db6536a085295e303cc8a16e91.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:657'784 bytes
First seen:2023-10-29 22:20:32 UTC
Last seen:2023-10-29 23:47:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 63dcf426cf592d540da4a68f9741991e (13 x Stealc)
ssdeep 12288:JHQ4R78rGcukgmWRjAeQuqtoCldl4Dol9:1HhZcw95jlCloDg9
Threatray 915 similar samples on MalwareBazaar
TLSH T15AE49D12A2B1823BD07E3A3C981B56BD98697D41F7A8E4CAEFD05D4C5E35F813491393
TrID 38.9% (.SCR) Windows screen saver (13097/50/3)
29.7% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
13.3% (.EXE) Win32 Executable (generic) (4505/5/1)
6.0% (.EXE) OS/2 Executable (generic) (2029/13)
5.9% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://bidbur.com/b5c586aec2e1004c.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/456959/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6082.26513.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin overlay packed replace shell32
Link:
https://www.filescan.io/uploads/653edacfb38131f117aa720a/reports/22dbd2de-6851-483b-aeb3-1b1ecaeaef22/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119
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:
Oski Stealer
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2eba7a1b-48e0-4771-a6fb-2d728d5183bf
Result
Threat name:
CryptOne, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1333931
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 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)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected CryptOne packer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1333931 Sample: LTLJPEqu7b.exe Startdate: 29/10/2023 Architecture: WINDOWS Score: 100 33 bidbur.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 9 other signatures 2->43 8 LTLJPEqu7b.exe 32 2->8         started        signatures3 process4 dnsIp5 35 bidbur.com 68.170.2.83, 49713, 80 AS17054US United States 8->35 25 C:\ProgramData\nss3.dll, PE32 8->25 dropped 27 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->27 dropped 29 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->29 dropped 31 9 other files (none is malicious) 8->31 dropped 45 Detected unpacking (changes PE section rights) 8->45 47 Detected unpacking (overwrites its own PE header) 8->47 49 Self deletion via cmd or bat file 8->49 51 3 other signatures 8->51 13 cmd.exe 1 8->13         started        15 WerFault.exe 16 8->15         started        17 WerFault.exe 16 8->17         started        19 3 other processes 8->19 file6 signatures7 process8 process9 21 conhost.exe 13->21         started        23 timeout.exe 1 13->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2023-10-29 22:21:05 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=442iqhb6pneqxuaq6ikupiethp4iyokqlxl6jmynnaun3dqswemq._file
Verdict:
malicious
Similar samples:
004c712a89c92d20a1b5b95cac905c45d53afbdb8568744bace098fc849f6830
Stealc
1c1062e65701fdea8fa0eca0884f974b8c9e6cfe70391dfc33fcbf5594b1ebf8
Stealc
4bfc364074b20dd2cc778fff6fbda1941cdbb195178ee19ee5fb3e065dd0eea9
Stealc
60c362f073df8d07e13eb47a3cffaf20f89caaf3a5617279deb5b14221652152
Stealc
64489e0d20826dc8ca25c85b28b4b7e6b6d85f9aa7d5500939952f358ba77592
Stealc
6989e1aa1d2b1432d21f0d606ee7c2dde9e39f73e762890dcf051c4c5faf0a99
Stealc
7217ad57b053373c9dec1728de52487b9968616acba2be9223aaed275090be4b
Stealc
7e04c56866f825de5621cf8074ce8235b49e7cc2bd2410ac75bbc9d1da9a5b67
Stealc
a85528d4fcbc101d6c0fc37aad3e1859ad6e8a2556883900627f5e5f455f4f0d
Stealc
ee14c3519c9ff46b675af5ffe701e0515e6707583b11b1deb8031a99b984aa2a
Stealc
+ 905 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/231029-19mmrshe4y/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
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
Unpacked files
SH256 hash:
e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119
MD5 hash:
82e727db6536a085295e303cc8a16e91
SHA1 hash:
a8d245a17cf13ec310fb17641d345cd15ca9da2a
Link:
https://www.unpac.me/results/660b92de-553d-47fa-b0db-6b0446ca2c06/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e734881c3e7b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
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:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
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
Rule name:yara_template
Create hunting rule

File information

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

Web download

Stealc

Executable exe e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2723302/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/456959/

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