MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae
SHA3-384 hash: 953dd1caf0bbf63544762692715715cc23e1a5d1c30f1990e0efd29206e691f0049cf4a0101994677de01ad9a0df3181
SHA1 hash: 2215c970825948d747018e736554969dfcc68396
MD5 hash: 1bd7bb717fff2418de70cd641b84d31d
humanhash: green-river-aspen-wisconsin
File name:1bd7bb717fff2418de70cd641b84d31d.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:453'120 bytes
First seen:2024-10-07 08:40:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b898b6e64a85434ea001f434034adbf3 (2 x Stealc)
ssdeep 6144:bSyXX8x+AH7ytGa5XFzNBVG7Vm+UDn4owTU:Tn8BH7YGcroUnWU
Threatray 2'356 similar samples on MalwareBazaar
TLSH T120A4BE02A2D9AE54E5D247B18D2EF6E8352EFC509E186F7F22183F1F18722B1D122775
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 0004141204084825 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
45.11.182.147:80

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
45.11.182.147:80 https://threatfox.abuse.ch/ioc/1334352/

Intelligence

File Origin
# of uploads :
1
# of downloads :
434
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1bd7bb717fff2418de70cd641b84d31d.exe
Verdict:
Malicious activity
Analysis date:
2024-10-07 08:44:14 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/fb294504-91f8-4482-ae36-7f1d06e2dbbc

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:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67039e9fb932c04ee8fdc4ba
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/67039ea44f53598f14928b1d/reports/306a84f5-bf36-4563-89b1-434f1f8e598f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae
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/11504f5e-cbb0-43c7-9155-af8a5a16ff71
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1527889
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1527889 Sample: UV2uLdRZix.exe Startdate: 07/10/2024 Architecture: WINDOWS Score: 100 31 nwgrus.ru 2->31 33 calvinandhalls.com 2->33 35 bestworldhools.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 6 other signatures 2->57 8 UV2uLdRZix.exe 2->8         started        11 hdfvest 2->11         started        13 swfvest 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 97 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 23.145.40.164, 443, 49740 SURFAIRWIRELESS-IN-01US Reserved 15->37 39 211.181.24.133, 50025, 50026, 50027 LGDACOMLGDACOMCorporationKR Korea Republic of 15->39 41 2 other IPs or domains 15->41 23 C:\Users\user\AppData\Roaming\swfvest, PE32 15->23 dropped 25 C:\Users\user\AppData\Roaming\hdfvest, PE32 15->25 dropped 27 C:\Users\user\AppData\Local\Temp\7B5F.exe, PE32 15->27 dropped 29 C:\Users\user\...\hdfvest: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 7B5F.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 6 other signatures 20->65
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgozbcixq2cy7tsyud77cz35tpk6uj3fepsyyoyhg5efyridgsxa._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
Create hunting rule
Similar samples:
0c50705ed7cfc68f11aecd4cee0b808934d4957672ac0ea0615e9a1c31870a52
Stealc
338e2378b54f3a94828bc23452f0b6e7bd7f69bc2fb13c618e727feafe61d1ee
Stealc
72b1c8d702a136aba2c60a9da4cf3df39282ee3e30f710a3d59e2277d4e7c0c5
Stealc
8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
Stealc
a2b8d4f469a7b8c8900df12569de67f5c8cb68e68177d482ff7ccfe9d580101b
Stealc
aff8d33bae045722ffed6e567006c6be52cc55ad1fc79b78ea2f52d55156e30e
Stealc
dc06fd3eb04a603543131d5e55cf24eecd08ff6eded42a9cc12370dd7ef27c69
Stealc
error
Stealc
+ 2'346 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/241007-klen9awdnq/
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/cf5eed99-7f6f-4e37-a8b7-3e7052854793
Unpacked files
SH256 hash:
e6ba66002cc9abbe8b50c987b242676bcec42c3fc8362d17478ea169ae52be94
MD5 hash:
ffe5d609545e89a315ac9214400a4dc0
SHA1 hash:
0ad75d212de39c6e468a520b04033425c02dd828
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/5744bb84-a2f5-4b4a-9033-146a430059a2/
Parent samples :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 hash:
499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae
MD5 hash:
1bd7bb717fff2418de70cd641b84d31d
SHA1 hash:
2215c970825948d747018e736554969dfcc68396
Link:
https://www.unpac.me/results/5744bb84-a2f5-4b4a-9033-146a430059a2/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/499d90891786/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/499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae

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 499d90891786858fce58a0fff1677d9bd5ea276523e58c3b0737485c450334ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3192422/
  
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::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