MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9141576518bee49ee565f2a71eab03c5b3097c97d025063c90da05656b3f46d9. 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 3 File information Comments

SHA256 hash: 9141576518bee49ee565f2a71eab03c5b3097c97d025063c90da05656b3f46d9
SHA3-384 hash: 25617c267230d5c5adaf459afa5c289f97fc98d183af8bfbe15c68ec246e1a887c12d0cb3f970296066a8644e8e6ce92
SHA1 hash: 2d59a7c685bef263514701d21508b382b2ee1daa
MD5 hash: 3a15825912809d90fa3b08c1da857dec
humanhash: emma-oranges-north-triple
File name:3a15825912809d90fa3b08c1da857dec.exe
Download: download sample
Signature Stealc
File size:445'952 bytes
First seen:2024-10-11 22:00:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e15f2578101cc821c000ba42c1b85a8 (2 x Stealc)
ssdeep 6144:4we/9OOW7pfmxGNDTTt73Np1QzAnTpXFezEuQTdVj8dba4opTT:49/0OymIFtT3qAnTpoggOLT
TLSH T18F94AE82B6E0AC70E5524AB18D29D7EC7A6EFC41CE18675F23267F2F1B711E1C522760
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 000011090a040100 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.91.200.43/fc5e522d327a1e13.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://45.91.200.43/fc5e522d327a1e13.php https://threatfox.abuse.ch/ioc/1335835/

Intelligence


File Origin
# of uploads :
1
# of downloads :
415
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3a15825912809d90fa3b08c1da857dec.exe
Verdict:
Malicious activity
Analysis date:
2024-10-11 22:03:19 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Phishing Hype Onli
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1531891 Sample: uSIvID4Y7U.exe Startdate: 12/10/2024 Architecture: WINDOWS Score: 100 31 nwgrus.ru 2->31 33 ninjahallnews.com 2->33 35 fallhandbat.com 2->35 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 7 other signatures 2->57 8 uSIvID4Y7U.exe 2->8         started        11 jrghbsd 2->11         started        13 reghbsd 2->13         started        signatures3 process4 signatures5 67 Detected unpacking (changes PE section rights) 8->67 69 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->69 71 Maps a DLL or memory area into another process 8->71 15 explorer.exe 58 6 8->15 injected 73 Antivirus detection for dropped file 11->73 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->79 81 Checks if the current machine is a virtual machine (disk enumeration) 13->81 83 Creates a thread in another existing process (thread injection) 13->83 85 Switches to a custom stack to bypass stack traces 13->85 process6 dnsIp7 37 187.199.203.72, 50043, 50044, 50045 UninetSAdeCVMX Mexico 15->37 39 nwgrus.ru 190.224.203.37, 49736, 49737, 49738 TelecomArgentinaSAAR Argentina 15->39 41 23.145.40.164, 443, 49807 SURFAIRWIRELESS-IN-01US Reserved 15->41 23 C:\Users\user\AppData\Roaming\reghbsd, PE32 15->23 dropped 25 C:\Users\user\AppData\Roaming\jrghbsd, PE32 15->25 dropped 27 C:\Users\user\AppData\Local\Temp\CBC2.exe, PE32 15->27 dropped 29 C:\Users\user\...\jrghbsd:Zone.Identifier, ASCII 15->29 dropped 43 System process connects to network (likely due to code injection or exploit) 15->43 45 Benign windows process drops PE files 15->45 47 Deletes itself after installation 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 20 CBC2.exe 15->20         started        file8 signatures9 process10 signatures11 59 Antivirus detection for dropped file 20->59 61 Detected unpacking (changes PE section rights) 20->61 63 Machine Learning detection for dropped file 20->63 65 5 other signatures 20->65
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-10-09 14:06:38 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002 smokeloader
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub4 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9141576518bee49ee565f2a71eab03c5b3097c97d025063c90da05656b3f46d9
MD5 hash:
3a15825912809d90fa3b08c1da857dec
SHA1 hash:
2d59a7c685bef263514701d21508b382b2ee1daa
Malware family:
SmokeLoader
Verdict:
Malicious
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
Rule name:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::SetProcessShutdownParameters
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::GetConsoleAliasExesA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments