MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 159dc9de2d297a560eda6f1a1b861d4fe52a285aa475137fc32688ccde8de7e5. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments 1

SHA256 hash: 159dc9de2d297a560eda6f1a1b861d4fe52a285aa475137fc32688ccde8de7e5
SHA3-384 hash: d8cfc84a4c0904ed4d363975d1f47d472f13b56948b8440a5bd28b328405b83f31683d04f69a7084ce1f4a4e6a095856
SHA1 hash: b393fb6bd99b85dfd8153f7dbc522a752d079e6b
MD5 hash: 8708fb302d86f255e1bdd52db82d7470
humanhash: quiet-jupiter-ack-virginia
File name:8708fb302d86f255e1bdd52db82d7470
Download: download sample
Signature Stealc
File size:1'907'678 bytes
First seen:2024-03-08 08:39:42 UTC
Last seen:2024-03-08 10:34:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 187b3ae62ff818788b8c779ef7bc3d1c (14 x Stealc, 1 x GCleaner)
ssdeep 49152:tIiiK2SeUsVNLFns91sPv+cMFw4HCmCv45tZoTIUT5VcLd:qiiK2pUaNhzOcMFw8Cmu457oTI06Ld
Threatray 17 similar samples on MalwareBazaar
TLSH T15B952206E96B38B5C8EB1C758716D33A49B54E80026DCB21EBDA3C73FDB9695C9C0711
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 :
2
# of downloads :
452
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
159dc9de2d297a560eda6f1a1b861d4fe52a285aa475137fc32688ccde8de7e5.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 08:45:15 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Reading critical registry keys
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
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:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
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
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)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405287 Sample: bRPX91fiHu.exe Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 8 other signatures 2->59 8 bRPX91fiHu.exe 1 34 2->8         started        process3 dnsIp4 47 185.172.128.90, 49704, 80 NADYMSS-ASRU Russian Federation 8->47 49 185.172.128.187, 49705, 80 NADYMSS-ASRU Russian Federation 8->49 33 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\INetC.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\...\BroomSetup.exe, PE32 8->37 dropped 12 syncUpd.exe 56 8->12         started        17 BroomSetup.exe 2 5 8->17         started        file5 process6 dnsIp7 51 185.172.128.145, 49706, 80 NADYMSS-ASRU Russian Federation 12->51 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->41 dropped 43 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->43 dropped 45 9 other files (5 malicious) 12->45 dropped 63 Antivirus detection for dropped file 12->63 65 Detected unpacking (changes PE section rights) 12->65 67 Detected unpacking (overwrites its own PE header) 12->67 71 9 other signatures 12->71 19 WerFault.exe 19 16 12->19         started        69 Multi AV Scanner detection for dropped file 17->69 22 cmd.exe 1 17->22         started        file8 signatures9 process10 file11 31 C:\ProgramData\Microsoft\...\WER98CC.tmp.dmp, Mini 19->31 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 22->61 25 conhost.exe 22->25         started        27 schtasks.exe 1 22->27         started        29 chcp.com 1 22->29         started        signatures12 process13
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-03-08 08:40:12 UTC
File Type:
PE (Exe)
Extracted files:
225
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer upx
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
Program crash
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
SH256 hash:
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
MD5 hash:
2b342079303895c50af8040a91f30f71
SHA1 hash:
b11335e1cb8356d9c337cb89fe81d669a69de17e
SH256 hash:
15e057922ac2460a3768492627aec793c2aaa4e04be18e99778fda53c2f0e777
MD5 hash:
3d8d9938beb046956e38436c23224913
SHA1 hash:
19544cfb26448e8158a258eacbfc25b50e008ddd
SH256 hash:
d8c8dae53f4e5f3dafde4e91908aae0bf1808a00c13c91c38a26d80b70f55f4a
MD5 hash:
7ff59b1b565a882f7c87618b8557181f
SHA1 hash:
841960262878b68e4e9ed67ed17d0c42fa7811c2
SH256 hash:
159dc9de2d297a560eda6f1a1b861d4fe52a285aa475137fc32688ccde8de7e5
MD5 hash:
8708fb302d86f255e1bdd52db82d7470
SHA1 hash:
b393fb6bd99b85dfd8153f7dbc522a752d079e6b
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:Borland
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

File information


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

Web download

Stealc

Executable exe 159dc9de2d297a560eda6f1a1b861d4fe52a285aa475137fc32688ccde8de7e5

(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 2024-03-08 08:39:43 UTC

url : hxxp://185.172.128.126/InstallSetup5.exe