MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ecb2d72725f69e839d4c7067bbd54e3372847042bb50f88abb550ff85575f98. 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 13 File information Comments

SHA256 hash: 2ecb2d72725f69e839d4c7067bbd54e3372847042bb50f88abb550ff85575f98
SHA3-384 hash: ab1337f3ef6d509b5016425bf98a0d7243fc99e91749eabd033f08a214f1895eaa03e6c869838afc2e832608b3b0a3f5
SHA1 hash: 89aa253b5b5432cd368f9bbef3c2d3d2cdf8c848
MD5 hash: d99809b9cfdf86cc751d7b09aab93607
humanhash: black-high-finch-one
File name:file
Download: download sample
Signature Stealc
File size:619'520 bytes
First seen:2024-05-14 17:04:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:JODi1SAha045ci3Ul9xA8Qf6ft3m57mBALtSHLGCa7Vmhe9jvI6yl3CMwkYxqAi8:Jb1/hF4bUJdQfQt3
TLSH T190D4FCDD766076DFC85BC472DEA81CA8FA6138BB931B4203942716ADDA4D897CF140F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: https://vk.com/doc5294803_669576941?hash=ESBuZe3BUC5Pao6rvFn77WZu2xjVFKuZIC9fsBH28Og&dl=SUilMZNqTBk4ZdzzDMxjDV3nF44oq5CkQrjixZ0DLvo&api=1&no_preview=1#key

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2ecb2d72725f69e839d4c7067bbd54e3372847042bb50f88abb550ff85575f98.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 17:05:23 UTC
Tags:
vidar

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

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Launching a process
Creating a file
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
PrivateLoader, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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)
Opens network shares
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected PrivateLoader
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441515 Sample: file.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 36 steamcommunity.com 2->36 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Yara detected PrivateLoader 2->46 48 9 other signatures 2->48 9 file.exe 4 2->9         started        signatures3 process4 file5 26 C:\Users\user\AppData\Roaming\d3d9.dll, PE32 9->26 dropped 50 Detected unpacking (changes PE section rights) 9->50 52 Contains functionality to inject code into remote processes 9->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->54 56 3 other signatures 9->56 13 aspnet_regiis.exe 1 45 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 38 steamcommunity.com 184.85.65.125, 443, 49730 AKAMAI-ASUS United States 13->38 40 95.217.28.63, 443, 49731, 49732 HETZNER-ASDE Germany 13->40 28 C:\Users\user\AppData\...\softokn3[1].dll, PE32 13->28 dropped 30 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->30 dropped 32 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->32 dropped 34 10 other files (6 malicious) 13->34 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->58 60 Found many strings related to Crypto-Wallets (likely being stolen) 13->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->62 64 5 other signatures 13->64 20 cmd.exe 1 13->20         started        file9 signatures10 process11 process12 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started       
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-14 17:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:vidar spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Downloads MZ/PE file
Detect Vidar Stealer
Stealc
Vidar
Unpacked files
SH256 hash:
2ecb2d72725f69e839d4c7067bbd54e3372847042bb50f88abb550ff85575f98
MD5 hash:
d99809b9cfdf86cc751d7b09aab93607
SHA1 hash:
89aa253b5b5432cd368f9bbef3c2d3d2cdf8c848
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:Check_Dlls
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_c374cd85
Author:Elastic Security

File information


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

Web download

Stealc

Executable exe 2ecb2d72725f69e839d4c7067bbd54e3372847042bb50f88abb550ff85575f98

(this sample)

  
Dropped by
Privateloader
  
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

Comments