MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f89107ad43fda0fa004b477f2ecbcd3ad934542cb8bdbf352530c9973273fa2. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments

SHA256 hash: 3f89107ad43fda0fa004b477f2ecbcd3ad934542cb8bdbf352530c9973273fa2
SHA3-384 hash: ff57c599fdf72fdafb244dfc5777ad126f73162516796a781a6f7ad0a191c943f18b795bc452402620c1efb8c38b8073
SHA1 hash: 9c43f06137ded19ffb822661b25acf092fcbacf6
MD5 hash: cc3c7ebc12f7d787d36db43ad2357170
humanhash: twelve-black-fruit-high
File name:cc3c7ebc12f7d787d36db43ad2357170.exe
Download: download sample
Signature Stealc
File size:377'856 bytes
First seen:2024-10-19 20:10:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 39fb483ab14dc7fbab4ca33a850d8a26 (1 x Stealc)
ssdeep 6144:xEtLO8pQbxn8rJRr9Z0FGs7XWtfm/fKV6JvxdFJmzLKVE:xEty88xnjGaXlfKVakLK2
TLSH T19984E012BED0C472C1A645318831DBE9597EFD7299A8858373583B6F2E302D2DB76363
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon 9086eebe96ae9e80 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.76.205/30f6901d21ae0dd7.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.88.76.205/30f6901d21ae0dd7.php https://threatfox.abuse.ch/ioc/1338225/

Intelligence


File Origin
# of uploads :
1
# of downloads :
460
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cc3c7ebc12f7d787d36db43ad2357170.exe
Verdict:
Malicious activity
Analysis date:
2024-10-19 20:12:27 UTC
Tags:
stealer stealc loader miner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Powershell Cobalt Lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Result
Verdict:
SUSPICIOUS
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:
Stealc, Vidar
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Suricata IDS alerts for network traffic
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 steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses powercfg.exe to modify the power settings
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1537862 Sample: EL7ggW7AdA.exe Startdate: 19/10/2024 Architecture: WINDOWS Score: 100 66 dreamtimelearninghub.com 2->66 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 15 other signatures 2->78 10 EL7ggW7AdA.exe 37 2->10         started        15 updater.exe 2->15         started        17 svchost.exe 2->17         started        signatures3 process4 dnsIp5 68 45.88.76.205, 49704, 49762, 80 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 10->68 70 dreamtimelearninghub.com 93.127.208.30, 443, 49722 ASMUNDA-ASSC Germany 10->70 58 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->58 dropped 60 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->60 dropped 62 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->62 dropped 64 11 other files (7 malicious) 10->64 dropped 90 Detected unpacking (changes PE section rights) 10->90 92 Detected unpacking (overwrites its own PE header) 10->92 94 Tries to steal Mail credentials (via file / registry access) 10->94 102 6 other signatures 10->102 19 cmd.exe 1 10->19         started        96 Antivirus detection for dropped file 15->96 98 Multi AV Scanner detection for dropped file 15->98 100 Query firmware table information (likely to detect VMs) 15->100 104 5 other signatures 15->104 file6 signatures7 process8 process9 21 AFHJJEHIEB.exe 1 3 19->21         started        25 conhost.exe 19->25         started        file10 54 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 21->54 dropped 56 C:\Windows\System32\drivers\etc\hosts, ASCII 21->56 dropped 80 Antivirus detection for dropped file 21->80 82 Multi AV Scanner detection for dropped file 21->82 84 Query firmware table information (likely to detect VMs) 21->84 86 8 other signatures 21->86 27 powershell.exe 23 21->27         started        30 cmd.exe 1 21->30         started        32 powercfg.exe 1 21->32         started        34 12 other processes 21->34 signatures11 process12 signatures13 88 Loading BitLocker PowerShell Module 27->88 36 WmiPrvSE.exe 27->36         started        38 conhost.exe 27->38         started        40 conhost.exe 30->40         started        42 wusa.exe 30->42         started        44 conhost.exe 32->44         started        46 conhost.exe 34->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        52 9 other processes 34->52 process14
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-10-19 20:11:11 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery evasion spyware stealer themida trojan
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Themida packer
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Malware Config
C2 Extraction:
http://45.88.76.205
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
SH256 hash:
3f89107ad43fda0fa004b477f2ecbcd3ad934542cb8bdbf352530c9973273fa2
MD5 hash:
cc3c7ebc12f7d787d36db43ad2357170
SHA1 hash:
9c43f06137ded19ffb822661b25acf092fcbacf6
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Stealc

Executable exe 3f89107ad43fda0fa004b477f2ecbcd3ad934542cb8bdbf352530c9973273fa2

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameA
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

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