MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
SHA3-384 hash: 0b6a64840acb77114e3bf4dac41e062bcc56f1646da612b13d570c8b5b0e36f0888e5c1256f3a6041cbbca5f93f620a7
SHA1 hash: f790abf7a19720415ac0458e9430f10be9402d99
MD5 hash: 7b757adf2a6a0aaaec620f2ef3f0da15
humanhash: mockingbird-monkey-double-winter
File name:7b757adf2a6a0aaaec620f2ef3f0da15
Download: download sample
Signature Stealc
Create hunting rule
File size:1'887'689 bytes
First seen:2024-03-06 03:28:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 187b3ae62ff818788b8c779ef7bc3d1c (14 x Stealc, 1 x GCleaner)
ssdeep 49152:tIiiK2Sz9NWXiy46KGHl63BJJED0JcaoAgDesnUJiCj1tckD:qiiK2mNW1r66YJHoAq1qiCj1tV
Threatray 14 similar samples on MalwareBazaar
TLSH T19B952349D85A38B9C4EB2C7A0A37D33A09B6CD40026DC9619BED3D73EDBA5C0DAD5341
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 631b86ccccd0dc5d (4 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
604
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 03:30:01 UTC
Tags:
stealer stealc
Link:
https://app.any.run/tasks/6a6d6645-8ae8-468d-b699-d83c834ca50a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

SecuriteInfo.com.Variant.Ulise.472307.25978.29547.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Searching for synchronization primitives
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Changing a file
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Stealing user critical data
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65e7e3020d181772a851eaa4/reports/dcc6afdc-c322-4eeb-8e40-21be7ee7fb2f/overview
Verdict:
Malicious
Labled as:
Dropper/DropperX
Link:
https://www.hybrid-analysis.com/sample/6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
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/b03ac33e-c366-4207-8a24-87b63c3c9d41
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/1403812
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 malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1403812 Sample: 1TroltKfDf.exe Startdate: 06/03/2024 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 7 other signatures 2->56 8 1TroltKfDf.exe 1 34 2->8         started        process3 dnsIp4 44 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->44 46 185.172.128.187, 49731, 80 NADYMSS-ASRU Russian Federation 8->46 30 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\Local\...\INetC.dll, PE32 8->32 dropped 34 C:\Users\user\AppData\...\BroomSetup.exe, PE32 8->34 dropped 12 syncUpd.exe 76 8->12         started        17 BroomSetup.exe 2 5 8->17         started        file5 process6 dnsIp7 48 185.172.128.145, 49730, 80 NADYMSS-ASRU Russian Federation 12->48 36 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->36 dropped 38 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->38 dropped 40 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->40 dropped 42 9 other files (5 malicious) 12->42 dropped 60 Detected unpacking (changes PE section rights) 12->60 62 Detected unpacking (overwrites its own PE header) 12->62 64 Tries to steal Mail credentials (via file / registry access) 12->64 68 8 other signatures 12->68 19 WerFault.exe 21 16 12->19         started        66 Multi AV Scanner detection for dropped file 17->66 21 cmd.exe 1 17->21         started        file8 signatures9 process10 signatures11 58 Uses schtasks.exe or at.exe to add and modify task schedules 21->58 24 conhost.exe 21->24         started        26 schtasks.exe 1 21->26         started        28 chcp.com 1 21->28         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2024-03-06 03:29:07 UTC
File Type:
PE (Exe)
Extracted files:
194
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mucretqitjnwldawzsbrff2dqi422r5dwbvb5alyqd5x5xizuhxq._file
Verdict:
malicious
Similar samples:
2d5f186a3d1303fe97b7fd87b2dad17051bdd17123259a06cb01e740c9dfdf70
Stealc
58978edefe687a8790141583313962ab627aefaab2278e9da3a9fba753cdb608
Stealc
6e95e17675b684ab0248beae17c5979c0dd060a9f94459bded1181b6c7fdcf22
Stealc
8ad20c4b4c312feb468a58d1748c0d7abba3dd2d0fb8e6bfbee837c47a0e8c5a
Stealc
9643edaedb1e0b2075c9d608e12477727015706f3fe670283d84fb7dae49c88d
Stealc
a863912b539cb57887b41e05ac11e17298bac7565c6c715b33fe287590848d5d
Stealc
e5be6b01b31232f0ec0059be780fd0c20cea2d8e0450c9ed30dbe8e5b789d21a
Stealc
+ 4 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer upx
Link:
https://tria.ge/reports/240306-d1x1taaa2y/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Unpacked files
SH256 hash:
8ff4e509a48d6cbcff5d325fc08ab97f37f69e5fa36fad427216b38545941661
MD5 hash:
7faf9f4744ac9a3680a6ea32ab352138
SHA1 hash:
4ec9a4769b6dccbb1a6017d08a36effc0117abe2
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
SH256 hash:
dc652095b56a5692c5f632c69ecd2ad567e149f0954140afb13d12bcb06368f4
MD5 hash:
901c77d2269ae75fc795a175e18324a1
SHA1 hash:
7ddc250d385bc0fe58e1ba68b21736ff306ec8a2
Detections:
win_stealc_auto
Create hunting rule
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
Parent samples :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 hash:
c0826bc0883de8530bec37c364495e0966e0a7afd9e955be602fd9b2fb06db44
MD5 hash:
79a91bf73bc992b5d09bb5af30ba8603
SHA1 hash:
ed081bc46aba6cb812a8bf0e6eccd807f24588ec
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
SH256 hash:
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
MD5 hash:
2b342079303895c50af8040a91f30f71
SHA1 hash:
b11335e1cb8356d9c337cb89fe81d669a69de17e
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
SH256 hash:
bdde2666f2de26fd41330f45089d59c1a3a0c48f81cfb4f9d5eb8b41b53440f2
MD5 hash:
d0db70a913ff734f28cb9e41c20fd72f
SHA1 hash:
a482232c74cfa428ca665760dc42aeaa1cf4f262
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
SH256 hash:
6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef
MD5 hash:
7b757adf2a6a0aaaec620f2ef3f0da15
SHA1 hash:
f790abf7a19720415ac0458e9430f10be9402d99
Link:
https://www.unpac.me/results/6a47b92d-9a6c-4481-93cf-b5aef19e56c5/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6505124e089a/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/6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef

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:Borland
Create hunting rule
Author:malware-lu
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:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
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 6505124e089a5b658c16cc831297438239ad47a3b06a1e817880fb7edd19a1ef

(this sample)

  
Delivery method
Distributed via web download

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
ADVAPI32.dll::SetFileSecurityA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments


Avatar
zbet commented on 2024-03-06 03:28:44 UTC

url : hxxp://185.172.128.109/InstallSetup9.exe