MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
SHA3-384 hash: 2377778be8b290c9ce6c232259c3b5b5a72a122537ef5674f8a7936d007d8b94365c64dbcadbc10bb67230d510f1a54a
SHA1 hash: ab5efa1579ffad99f59483d61ae44000573eceaf
MD5 hash: 3ef5af57dd959f15d6d5eef088ed90e8
humanhash: lactose-purple-alpha-edward
File name:3ef5af57dd959f15d6d5eef088ed90e8.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:244'224 bytes
First seen:2024-10-04 12:20:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 091abaedeaf72e43a5ab0ff477eaf440 (1 x Stealc)
ssdeep 3072:JbLgjcKZKyCAPkvH48qw48pshB57g7sfUwo3Yf6C:JbLggK4yDPCH48qw7pxwUf3Yf6
TLSH T1B734F61036F1A066EFFB8B327A7096A459BBBC766F70817E3241361F19336A18D5131B
TrID 34.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.8% (.EXE) InstallShield setup (43053/19/16)
18.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
File icon (PE):PE icon
dhash icon 00142321405a4404 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.196.10.147/f6c05fe452e5af24.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://185.196.10.147/f6c05fe452e5af24.php https://threatfox.abuse.ch/ioc/1333484/

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3ef5af57dd959f15d6d5eef088ed90e8.exe
Verdict:
Malicious activity
Analysis date:
2024-10-04 12:28:22 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/3c6dde5f-caa1-4f04-a57d-39f2c6ac01e7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ffddb1780a9b632d22d349
Tags:
phishing hype onli
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66ffddb87cc22997e79811f9/reports/bdb4dab2-bee0-4791-b44e-ee75465ddc3b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fb4f49f7-62c1-4d8a-b68c-dd1f1d9f7b6c
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525730
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 evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Query firmware table information (likely to detect VMs)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1525730 Sample: c7v62g0YpB.exe Startdate: 04/10/2024 Architecture: WINDOWS Score: 100 52 nwgrus.ru 2->52 54 calvinandhalls.com 2->54 56 api.msn.com 2->56 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 5 other signatures 2->70 10 c7v62g0YpB.exe 2->10         started        13 ferrafs 2->13         started        15 jtrrafs 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 108 Detected unpacking (changes PE section rights) 10->108 110 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->110 112 Maps a DLL or memory area into another process 10->112 19 explorer.exe 28 9 10->19 injected 114 Multi AV Scanner detection for dropped file 13->114 116 Machine Learning detection for dropped file 13->116 118 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->118 120 Checks if the current machine is a virtual machine (disk enumeration) 15->120 122 Creates a thread in another existing process (thread injection) 15->122 124 Switches to a custom stack to bypass stack traces 15->124 126 Query firmware table information (likely to detect VMs) 17->126 process6 dnsIp7 58 nwgrus.ru 190.147.2.86, 49736, 49737, 49738 TelmexColombiaSACO Colombia 19->58 60 calvinandhalls.com 23.145.40.162, 443, 49955, 49971 SURFAIRWIRELESS-IN-01US Reserved 19->60 62 23.145.40.164, 443, 49779 SURFAIRWIRELESS-IN-01US Reserved 19->62 44 C:\Users\user\AppData\Roaming\jtrrafs, PE32 19->44 dropped 46 C:\Users\user\AppData\Roaming\ferrafs, PE32 19->46 dropped 48 C:\Users\user\AppData\Local\Temp\F1F6.exe, PE32 19->48 dropped 50 2 other malicious files 19->50 dropped 74 System process connects to network (likely due to code injection or exploit) 19->74 76 Benign windows process drops PE files 19->76 78 Injects code into the Windows Explorer (explorer.exe) 19->78 80 3 other signatures 19->80 24 F1F6.exe 19->24         started        27 6CC3.exe 2 19->27         started        29 explorer.exe 18 19->29         started        31 6 other processes 19->31 file8 signatures9 process10 signatures11 82 Detected unpacking (changes PE section rights) 24->82 84 Machine Learning detection for dropped file 24->84 86 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 24->86 106 4 other signatures 24->106 88 Multi AV Scanner detection for dropped file 27->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->90 92 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->92 94 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 27->94 33 cmd.exe 1 27->33         started        96 System process connects to network (likely due to code injection or exploit) 29->96 98 Found evasive API chain (may stop execution after checking mutex) 29->98 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->100 102 Tries to steal Mail credentials (via file / registry access) 29->102 104 Tries to harvest and steal browser information (history, passwords, etc) 31->104 process12 process13 35 WMIC.exe 1 33->35         started        38 WMIC.exe 1 33->38         started        40 conhost.exe 33->40         started        42 6 other processes 33->42 signatures14 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->72
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-04 12:23:30 UTC
File Type:
PE (Exe)
Extracted files:
55
AV detection:
14 of 38 (36.84%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3gb4cspn3gqde7sijhgk2nvahty6mwuqivnbpuongprjty6azfkq._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Link:
https://tria.ge/reports/241004-pjbl2atdjl/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b2887af5-c749-4013-b82b-fc20e5c86704
Unpacked files
SH256 hash:
a9918c23a31211ab32fdd163e49fc5313007d652e0896f6b923711378b459509
MD5 hash:
422b7b725003f71a15519c67313e3eef
SHA1 hash:
808f558da78522edaf9cee4a83365049adee2f08
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/28e83843-7790-4ee1-abe2-44ba7bf02678/
Parent samples :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 hash:
d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
MD5 hash:
3ef5af57dd959f15d6d5eef088ed90e8
SHA1 hash:
ab5efa1579ffad99f59483d61ae44000573eceaf
Link:
https://www.unpac.me/results/28e83843-7790-4ee1-abe2-44ba7bf02678/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

Stealc

Executable exe d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3174502/
  
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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ObjectPrivilegeAuditAlarmA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputAttribute
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

Comments