MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253. 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: 17


Intelligence 17 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253
SHA3-384 hash: 31a588a292c06386e84de26731c0389ad64631fe04c5b8e099718ed05a448fc83715aea305f6bd8066db971a79322942
SHA1 hash: 738a29de8c4020de9b54a574a5011cda468bf274
MD5 hash: 8323e9372d528ae4e4b53d97dac3ff7e
humanhash: mississippi-low-zebra-bacon
File name:8323e9372d528ae4e4b53d97dac3ff7e.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:211'968 bytes
First seen:2024-10-02 20:55:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3983cab1c294af24b06d123197d37d73 (1 x Stealc)
ssdeep 3072:VLdMNw/b5F9LWHmYa9LVkdBN5fufKl/B3:VLKNCD+m9LVwLr
TLSH T1722438713AF5D027EFF70B35CAB496A41A3BBC626B70409E3690B60F1A73290496D717
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) (10523/12/4)
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 9671e8d6ccd0d4d4 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.91.202.84/317f94f0db7b7e68.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://45.91.202.84/317f94f0db7b7e68.php https://threatfox.abuse.ch/ioc/1332751/

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8323e9372d528ae4e4b53d97dac3ff7e.exe
Verdict:
Malicious activity
Analysis date:
2024-10-02 20:56:58 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/4e8405f9-ee1d-4e93-8066-548df370759e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fdb362780a9b632d228251
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
Connection attempt to an infection source
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66fdb36188188863f38df08d/reports/d2504d56-bfde-4744-aad3-b00a9a139ee1/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253
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/53eafd19-49e6-44a7-9157-ec65f24a932b
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1524526
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
Modifies the windows firewall
Multi AV Scanner detection for dropped 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)
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)
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1524526 Sample: qg5Ddf4an9.exe Startdate: 02/10/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 calvinandhalls.com 2->55 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 4 other signatures 2->75 10 qg5Ddf4an9.exe 2->10         started        13 giigfgv 2->13         started        15 ruigfgv 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 117 Detected unpacking (changes PE section rights) 10->117 119 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->119 121 Maps a DLL or memory area into another process 10->121 19 explorer.exe 96 9 10->19 injected 123 Machine Learning detection for dropped file 13->123 125 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->125 127 Checks if the current machine is a virtual machine (disk enumeration) 13->127 129 Creates a thread in another existing process (thread injection) 15->129 131 Switches to a custom stack to bypass stack traces 15->131 process6 dnsIp7 57 nwgrus.ru 181.52.122.51, 49711, 49712, 49713 TelmexColombiaSACO Colombia 19->57 59 186.145.236.69, 64802, 64804, 64807 TelmexColombiaSACO Colombia 19->59 61 2 other IPs or domains 19->61 45 C:\Users\user\AppData\Roaming\ruigfgv, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\giigfgv, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\3D97.exe, PE32+ 19->49 dropped 51 2 other malicious files 19->51 dropped 83 System process connects to network (likely due to code injection or exploit) 19->83 85 Benign windows process drops PE files 19->85 87 Injects code into the Windows Explorer (explorer.exe) 19->87 89 3 other signatures 19->89 24 3D97.exe 2 19->24         started        27 24B5.exe 19->27         started        29 explorer.exe 20 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 91 Multi AV Scanner detection for dropped file 24->91 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->93 95 Machine Learning detection for dropped file 24->95 113 2 other signatures 24->113 33 cmd.exe 1 24->33         started        97 Detected unpacking (changes PE section rights) 27->97 99 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 27->99 101 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 27->101 115 4 other signatures 27->115 103 System process connects to network (likely due to code injection or exploit) 29->103 105 Found evasive API chain (may stop execution after checking mutex) 29->105 107 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->107 109 Tries to steal Mail credentials (via file / registry access) 29->109 111 Tries to harvest and steal browser information (history, passwords, etc) 31->111 process12 signatures13 63 Uses netsh to modify the Windows network and firewall settings 33->63 65 Uses ipconfig to lookup or modify the Windows network settings 33->65 67 Modifies the windows firewall 33->67 36 WMIC.exe 1 33->36         started        39 systeminfo.exe 33->39         started        41 conhost.exe 33->41         started        43 17 other processes 33->43 process14 signatures15 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->77 79 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->79 81 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->81
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufv2yebm2ulbj5lct4ulvsnlqz7nrpwa2n7oe2iew6fevkvyejjq._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
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/241002-zqzybazcmg/
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/60f6d0c4-835e-4098-9503-b23655b44fc6
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/6b56ea34-1e45-44a2-9c52-12d4f4c1f813/
Parent samples :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 hash:
a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253
MD5 hash:
8323e9372d528ae4e4b53d97dac3ff7e
SHA1 hash:
738a29de8c4020de9b54a574a5011cda468bf274
Link:
https://www.unpac.me/results/6b56ea34-1e45-44a2-9c52-12d4f4c1f813/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a16bac102cd5/report/overview.html
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/a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253

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 a16bac102cd51614f5629f28bac9ab867ed8bec0d37ee26904b78a4aaab82253

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ObjectPrivilegeAuditAlarmA
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleOutputAttribute
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasExesLengthA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

Comments