MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee. 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 2 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee
SHA3-384 hash: bc5c9edb03c300f46d47701b97b0be8629771004e93c08c203229137cbe62ae6ce8dea6b9ed94e34193cfc2dd5df7083
SHA1 hash: 3525508cc8b83cdec2bde0bf0cbdc7cdab62c383
MD5 hash: fa949a7589dc71ea006eb10ad025618a
humanhash: uranus-oxygen-football-sodium
File name:fa949a7589dc71ea006eb10ad025618a.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:453'632 bytes
First seen:2024-10-07 22:15:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e40ec87d26b2fdb6278430b22f5c1df6 (4 x Stealc, 1 x Smoke Loader)
ssdeep 6144:dBc5/Qqguk5r/EaOKIhfzrIqku/a5J0gToyxw7coy6BbO42Tn:MBQqgoampv1/GJ0gThx8NO4O
Threatray 2'508 similar samples on MalwareBazaar
TLSH T13CA4C00252D9FEA0F5E64A339D1EFAF8A52DFC51DE586757325C2B1F1B702A1C222720
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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 10343060a0c04800 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.219.81.41/35a0cc935e7ac588.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://185.219.81.41/35a0cc935e7ac588.php https://threatfox.abuse.ch/ioc/1334459/
http://62.122.184.144/f88d87a7e087e100.php https://threatfox.abuse.ch/ioc/1334556/

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fa949a7589dc71ea006eb10ad025618a.exe
Verdict:
Malicious activity
Analysis date:
2024-10-07 22:20:01 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/75ee89e4-4691-4e25-9486-e5283eea9b4c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67045da4a69182ddbe5ccd22
Tags:
Phishing Hype Onli
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/67045da23d3bba49f3dc90ba/reports/f9c0c119-069c-4a6f-a8fd-8566486e89e8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d51bd388-d6da-4607-80e4-92615be4cdc9
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1528498
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 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
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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: 1528498 Sample: bCnarg2O62.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 53 nwgrus.ru 2->53 55 ninjahallnews.com 2->55 57 2 other IPs or domains 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 6 other signatures 2->77 10 bCnarg2O62.exe 2->10         started        13 derhswe 2->13         started        15 jfrhswe 2->15         started        17 2 other processes 2->17 signatures3 process4 signatures5 117 Detected unpacking (changes PE section rights) 10->117 119 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->119 121 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->121 123 Switches to a custom stack to bypass stack traces 10->123 19 explorer.exe 58 9 10->19 injected 125 Antivirus detection for dropped file 13->125 127 Multi AV Scanner detection for dropped file 13->127 129 Machine Learning detection for dropped file 13->129 131 Maps a DLL or memory area into another process 15->131 133 Checks if the current machine is a virtual machine (disk enumeration) 15->133 135 Creates a thread in another existing process (thread injection) 15->135 process6 dnsIp7 59 ninjahallnews.com 23.145.40.168, 443, 49882, 49890 SURFAIRWIRELESS-IN-01US Reserved 19->59 61 211.171.233.129, 50064, 50066, 50068 LGDACOMLGDACOMCorporationKR Korea Republic of 19->61 63 2 other IPs or domains 19->63 45 C:\Users\user\AppData\Roaming\jfrhswe, PE32 19->45 dropped 47 C:\Users\user\AppData\Roaming\derhswe, PE32 19->47 dropped 49 C:\Users\user\AppData\Local\Temp\9245.exe, PE32+ 19->49 dropped 51 2 other malicious files 19->51 dropped 85 Benign windows process drops PE files 19->85 87 Injects code into the Windows Explorer (explorer.exe) 19->87 89 Deletes itself after installation 19->89 91 2 other signatures 19->91 24 9245.exe 2 19->24         started        27 1D0F.exe 19->27         started        29 explorer.exe 18 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 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 97 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 24->97 99 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 24->99 33 cmd.exe 1 24->33         started        101 Antivirus detection for dropped file 27->101 103 Detected unpacking (changes PE section rights) 27->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 27->105 115 5 other signatures 27->115 107 Found evasive API chain (may stop execution after checking mutex) 29->107 109 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->109 111 Tries to steal Mail credentials (via file / registry access) 29->111 113 Tries to harvest and steal browser information (history, passwords, etc) 31->113 process12 signatures13 65 Uses netsh to modify the Windows network and firewall settings 33->65 67 Uses ipconfig to lookup or modify the Windows network settings 33->67 69 Modifies the windows firewall 33->69 36 WMIC.exe 33->36         started        39 systeminfo.exe 33->39         started        41 conhost.exe 33->41         started        43 17 other processes 33->43 process14 signatures15 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->79 81 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 36->81 83 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 36->83
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-10-07 22:16:06 UTC
File Type:
PE (Exe)
Extracted files:
68
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=773zuhuw77fmo6z6w66ac4dl73hhjgnlrfzlfcttfx5cviezstxa._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
Create hunting rule
Similar samples:
083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
Stealc
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
Stealc
430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919
Stealc
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
Stealc
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a
Stealc
b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
Stealc
d0a5a89efc24b65fc97c0bb78051d46c04c8470d295e6d8eeecbf61e520e197e
Stealc
error
Stealc
f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
Stealc
+ 2'498 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Link:
https://tria.ge/reports/241007-16ta5swblq/
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/becbd8de-7fad-4f3f-b2cc-fbfbf3f27846
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/ea05559c-9b41-4cca-888f-0a1f12a39243/
Parent samples :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 hash:
fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee
MD5 hash:
fa949a7589dc71ea006eb10ad025618a
SHA1 hash:
3525508cc8b83cdec2bde0bf0cbdc7cdab62c383
Link:
https://www.unpac.me/results/ea05559c-9b41-4cca-888f-0a1f12a39243/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fff79a1e96ff/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/fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee

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:Detect_Malicious_VBScript_Base64
Create hunting rule
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.

Web download

Stealc

Executable exe fff79a1e96ffcac77b3eb7bc01706bfece7499ab8972b28a732dfa2aa09994ee

(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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
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::WriteConsoleW
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments