MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98ba2112383637206b7f35bb5658677d3f49c8a6e1cac04a79c8a028d9ae64ab. 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: 15


Intelligence 15 IOCs 1 YARA 2 File information Comments

SHA256 hash: 98ba2112383637206b7f35bb5658677d3f49c8a6e1cac04a79c8a028d9ae64ab
SHA3-384 hash: f8d76c3f3b233a5e885887301de968f1250e57cf1a8432552b86c25492eab96ccc6086750626efe168caf84f8dae2321
SHA1 hash: 5d10580a6f891db27a0f8c18c819eb6bd7a23359
MD5 hash: 3286ebab9a990d463b7be96ca44830c2
humanhash: arizona-missouri-river-maine
File name:3286ebab9a990d463b7be96ca44830c2.exe
Download: download sample
Signature Stealc
File size:247'296 bytes
First seen:2024-10-10 16:50:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21dbf9da5e51a42498193e3d45de183f (1 x Stealc)
ssdeep 3072:Tv0GQpCsMXehoJONpEAwDBoGV5XXooKF1kwoq+AZ/XR:T0GEtMumqpE9KNkwFH
TLSH T19F34A31261E17815EBA287354FBDD6DC2B2EFC925E3053AE21447E6F0872EB0C91771A
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 12716c4cf4d4c4c4 (3 x Stealc, 1 x Socks5Systemz)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://91.211.249.223/456e447e968afe0e.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://91.211.249.223/456e447e968afe0e.php https://threatfox.abuse.ch/ioc/1335544/

Intelligence


File Origin
# of uploads :
1
# of downloads :
426
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3286ebab9a990d463b7be96ca44830c2.exe
Verdict:
Malicious activity
Analysis date:
2024-10-10 16:54:07 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc 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:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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: 1530999 Sample: bQ7r31F9Ow.exe Startdate: 10/10/2024 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 5 other signatures 2->57 8 bQ7r31F9Ow.exe 2->8         started        11 vrtftbc 2->11         started        13 fvtftbc 2->13         started        signatures3 process4 signatures5 67 Detected unpacking (changes PE section rights) 8->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->69 71 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->71 15 explorer.exe 54 6 8->15 injected 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 77 Maps a DLL or memory area into another process 11->77 79 Checks if the current machine is a virtual machine (disk enumeration) 13->79 81 Creates a thread in another existing process (thread injection) 13->81 83 Switches to a custom stack to bypass stack traces 13->83 process6 dnsIp7 37 nwgrus.ru 190.147.2.86, 60129, 60130, 60131 TelmexColombiaSACO Colombia 15->37 39 186.233.231.45, 60436, 60437, 60438 SolucaoNetworkProvedorLtdaBR Brazil 15->39 41 23.145.40.164, 443, 60153 SURFAIRWIRELESS-IN-01US Reserved 15->41 23 C:\Users\user\AppData\Roaming\vrtftbc, PE32 15->23 dropped 25 C:\Users\user\AppData\Roaming\fvtftbc, PE32 15->25 dropped 27 C:\Users\user\AppData\Local\Temp\6453.exe, PE32 15->27 dropped 29 C:\Users\user\...\vrtftbc: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 6453.exe 15->20         started        file8 signatures9 process10 signatures11 59 Detected unpacking (changes PE section rights) 20->59 61 Machine Learning detection for dropped file 20->61 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->63 65 5 other signatures 20->65
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-10-10 16:51:04 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
16 of 23 (69.57%)
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:pub1 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:
98ba2112383637206b7f35bb5658677d3f49c8a6e1cac04a79c8a028d9ae64ab
MD5 hash:
3286ebab9a990d463b7be96ca44830c2
SHA1 hash:
5d10580a6f891db27a0f8c18c819eb6bd7a23359
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 98ba2112383637206b7f35bb5658677d3f49c8a6e1cac04a79c8a028d9ae64ab

(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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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