MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86ccbff05056433ad05dcc8dfcf5b9b89bda2b2bbbe74a609e1d333f38cee3e4. 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 1 File information Comments

SHA256 hash: 86ccbff05056433ad05dcc8dfcf5b9b89bda2b2bbbe74a609e1d333f38cee3e4
SHA3-384 hash: f8b36a696dad3552594af202114b6f7282df27a26c0dc74c571028829dbf36c9ec97d816cabb3d6ffe5fa7f1ff90495f
SHA1 hash: 67dce838cd0e8410ba30b243520dc06f31c1bae6
MD5 hash: 00af1a53860550f8db3f1b250436b78a
humanhash: lion-shade-earth-low
File name:1719859269.0326595_setup.exe
Download: download sample
Signature Stealc
File size:4'569'908 bytes
First seen:2024-07-01 22:04:00 UTC
Last seen:2024-07-01 22:18:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 448b6888b26145ced7ce018aab459303 (4 x PrivateLoader, 2 x RiseProStealer, 2 x Stealc)
ssdeep 98304:BmByncbMrvVWTLkWzE/KORxJCFDDuVI+d0l2ETsmV9:nrvVljxGSVXEs+9
Threatray 1 similar samples on MalwareBazaar
TLSH T145262292288AC1F8C416CBB4D522B8FCB4797F76C9354D67B88A3E06BEF35005D26791
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 64646ae2c2d2d240 (1 x Stealc)
Reporter Chainskilabs
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
358
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
86ccbff05056433ad05dcc8dfcf5b9b89bda2b2bbbe74a609e1d333f38cee3e4.exe
Verdict:
Malicious activity
Analysis date:
2024-07-02 05:56:48 UTC
Tags:
evasion privateloader

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
Modifying a system file
Using the Windows Management Instrumentation requests
Connection attempt
Replacing files
Launching a service
Launching a process
Sending a UDP request
Sending an HTTP GET request
DNS request
Sending a custom TCP request
Forced system process termination
Reading critical registry keys
Blocking the Windows Defender launch
Adding exclusions to Windows Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
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.
Result
Threat name:
LummaC Stealer, Mars Stealer, PureLog St
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list (Registry)
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the document folder of the user
Exclude list of file types from scheduled, custom, and real-time scanning
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Group Policy settings
Modifies power options to not sleep / hibernate
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Disable power options
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected LummaC Stealer
Yara detected Mars stealer
Yara detected MSILDownloaderGeneric
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465682 Sample: 1719859269.0326595_setup.exe Startdate: 02/07/2024 Architecture: WINDOWS Score: 100 110 service-domain.xyz 2->110 112 ellaboratepwsz.xyz 2->112 114 30 other IPs or domains 2->114 136 Found malware configuration 2->136 138 Malicious sample detected (through community Yara rule) 2->138 140 Antivirus detection for URL or domain 2->140 144 26 other signatures 2->144 9 1719859269.0326595_setup.exe 11 40 2->9         started        14 WinTrackerSP.exe 2->14         started        16 svchost.exe 2->16         started        18 4 other processes 2->18 signatures3 142 Performs DNS queries to domains with low reputation 112->142 process4 dnsIp5 128 a.884736279.xyz 79.174.95.43 HOSTING-COMPANY-ASRU Russian Federation 9->128 130 vk.com 87.240.132.78, 49718, 49719, 49725 VKONTAKTE-SPB-AShttpvkcomRU Russian Federation 9->130 134 15 other IPs or domains 9->134 102 C:\Users\...\yTXn1eeuAPe6JeFa5Kfn6hMY.exe, PE32+ 9->102 dropped 104 C:\Users\...\yHP2Z5SFUIZjI8pAKB_H3QUP.exe, PE32 9->104 dropped 106 C:\Users\...\kUJOpvLlbhqCDkTlllfRFIPb.exe, PE32 9->106 dropped 108 15 other malicious files 9->108 dropped 184 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 9->184 186 Drops PE files to the document folder of the user 9->186 188 Creates HTML files with .exe extension (expired dropper behavior) 9->188 196 7 other signatures 9->196 20 H1pBxuA3W1wJGbhYT2DZXaLH.exe 2 9->20         started        23 Lbg6Jgx2PuK0JimgGIFCI5UU.exe 37 9->23         started        27 yHP2Z5SFUIZjI8pAKB_H3QUP.exe 3 9->27         started        31 8 other processes 9->31 190 Multi AV Scanner detection for dropped file 14->190 192 Query firmware table information (likely to detect VMs) 14->192 194 Tries to detect sandboxes and other dynamic analysis tools (window names) 14->194 198 4 other signatures 14->198 29 WerFault.exe 16->29         started        132 127.0.0.1 unknown unknown 18->132 file6 signatures7 process8 dnsIp9 84 C:\Users\...\H1pBxuA3W1wJGbhYT2DZXaLH.tmp, PE32 20->84 dropped 33 H1pBxuA3W1wJGbhYT2DZXaLH.tmp 20->33         started        124 85.28.47.4 GES-ASRU Russian Federation 23->124 126 77.91.77.81 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 23->126 86 C:\Users\user\AppData\...\AAAAKJKJEB.exe, PE32 23->86 dropped 88 C:\Users\user\AppData\...\softokn3[1].dll, PE32 23->88 dropped 90 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 23->90 dropped 98 11 other files (7 malicious) 23->98 dropped 162 Multi AV Scanner detection for dropped file 23->162 164 Detected unpacking (changes PE section rights) 23->164 166 Tries to steal Mail credentials (via file / registry access) 23->166 180 5 other signatures 23->180 168 Writes to foreign memory regions 27->168 170 Allocates memory in foreign processes 27->170 172 Injects a PE file into a foreign processes 27->172 36 MSBuild.exe 27->36         started        92 C:\Users\user\AppData\...\PowerExpertNT.exe, PE32 31->92 dropped 94 C:\Users\user\AppData\Local\...\Install.exe, PE32 31->94 dropped 96 C:\Users\user\AppData\Local\...\Install.exe, PE32 31->96 dropped 100 3 other malicious files 31->100 dropped 174 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 31->174 176 Query firmware table information (likely to detect VMs) 31->176 178 Uses schtasks.exe or at.exe to add and modify task schedules 31->178 182 5 other signatures 31->182 40 RegAsm.exe 31->40         started        42 Install.exe 31->42         started        44 Install.exe 31->44         started        46 11 other processes 31->46 file10 signatures11 process12 dnsIp13 66 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 33->66 dropped 68 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 33->68 dropped 70 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 33->70 dropped 82 34 other files (23 malicious) 33->82 dropped 48 mp3doctorfree32_64.exe 33->48         started        116 t.me 149.154.167.99 TELEGRAMRU United Kingdom 36->116 118 77.105.132.27 PLUSTELECOM-ASRU Russian Federation 36->118 122 2 other IPs or domains 36->122 72 C:\Users\user\AppData\...\lumma2806[1].exe, PE32 36->72 dropped 74 C:\Users\user\AppData\Local\...\sqlt[1].dll, PE32 36->74 dropped 76 C:\ProgramData\FCBFBGDBKJ.exe, PE32 36->76 dropped 148 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->148 150 Tries to harvest and steal ftp login credentials 36->150 152 Tries to harvest and steal browser information (history, passwords, etc) 36->152 154 Tries to harvest and steal Bitcoin Wallet information 36->154 120 77.105.135.107 PLUSTELECOM-ASRU Russian Federation 40->120 156 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 40->156 158 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 40->158 160 Tries to steal Crypto Currency Wallets 40->160 78 C:\Users\user\AppData\Local\...\Install.exe, PE32 42->78 dropped 51 Install.exe 42->51         started        80 C:\Users\user\AppData\Local\...\Install.exe, PE32 44->80 dropped 54 Install.exe 44->54         started        56 conhost.exe 46->56         started        58 conhost.exe 46->58         started        60 conhost.exe 46->60         started        62 5 other processes 46->62 file14 signatures15 process16 file17 64 C:\ProgramData\...\AIRP Next Stage 7.1.66.exe, PE32 48->64 dropped 146 Multi AV Scanner detection for dropped file 51->146 signatures18
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2024-07-01 21:42:41 UTC
File Type:
PE+ (Exe)
Extracted files:
20
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Drops file in System32 directory
Looks up external IP address via web service
Modifies firewall policy service
Unpacked files
SH256 hash:
86ccbff05056433ad05dcc8dfcf5b9b89bda2b2bbbe74a609e1d333f38cee3e4
MD5 hash:
00af1a53860550f8db3f1b250436b78a
SHA1 hash:
67dce838cd0e8410ba30b243520dc06f31c1bae6
Please note that we are no longer able to provide a coverage score for Virus Total.

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:maldoc_indirect_function_call_3
Author:Didier Stevens (https://DidierStevens.com)

File information


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

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 (NX_COMPAT)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments