MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb
SHA3-384 hash: 4690ca97f5573e1f92c8b887761c523b1f36b20c01eda402378ba9d4853b60881dad34329902d36c36f222ec16114a3f
SHA1 hash: 945ab89c5090a33c0b0cfc6a926c34d4139b977a
MD5 hash: 3405f764cc1f7157b7e72e3a0221df2f
humanhash: robert-texas-december-early
File name:3405f764cc1f7157b7e72e3a0221df2f.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:434'176 bytes
First seen:2024-10-19 21:30:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8a0318703fb8f349e9b0d267e9a5d72d (1 x Stealc)
ssdeep 6144:WuasRSq1nIgwjdnIdZlXxv3qLlACmN10SLdH6f8HTf:WuasIAndwjdIrJxv3CAzxHrf
Threatray 2'700 similar samples on MalwareBazaar
TLSH T12C94CF12A2F1FCA0D5258E71DE1AC6E8B63DF8718E596657331A6B2F18703B2D363701
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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 0203051102051000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.76.205/30f6901d21ae0dd7.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://45.88.76.205/30f6901d21ae0dd7.php https://threatfox.abuse.ch/ioc/1338225/

Intelligence

File Origin
# of uploads :
1
# of downloads :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3405f764cc1f7157b7e72e3a0221df2f.exe
Verdict:
Malicious activity
Analysis date:
2024-10-19 21:31:29 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/4ffb854a-9da3-4668-81e9-405eb46f6a80

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

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc packed shell32 smokeloader zusy
Link:
https://www.filescan.io/uploads/67142518c7aed0374dabcd8b/reports/430b9418-a49a-465c-b3b4-5f31df9f63a1/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb
Result
Verdict:
MALICIOUS
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/b7d5b535-9bee-47f0-bb93-d36ab747c93d
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1537892
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: 1537892 Sample: qWvjoJPEYc.exe Startdate: 19/10/2024 Architecture: WINDOWS Score: 100 21 unicea.ws 2->21 23 tech-servers.in.net 2->23 25 nwgrus.ru 2->25 29 Suricata IDS alerts for network traffic 2->29 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 6 other signatures 2->35 7 qWvjoJPEYc.exe 2->7         started        10 iirsuju 2->10         started        signatures3 process4 signatures5 37 Detected unpacking (changes PE section rights) 7->37 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->41 49 4 other signatures 7->49 12 explorer.exe 53 3 7->12 injected 43 Antivirus detection for dropped file 10->43 45 Multi AV Scanner detection for dropped file 10->45 47 Machine Learning detection for dropped file 10->47 process6 dnsIp7 27 unicea.ws 190.187.52.42, 49952, 49963, 49974 AMERICATELPERUSAPE Peru 12->27 17 C:\Users\user\AppData\Roaming\iirsuju, PE32 12->17 dropped 19 C:\Users\user\...\iirsuju:Zone.Identifier, ASCII 12->19 dropped 51 System process connects to network (likely due to code injection or exploit) 12->51 53 Benign windows process drops PE files 12->53 55 Deletes itself after installation 12->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->57 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb/
Threat name:
Win32.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2024-10-17 14:33:24 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnngeiwmbafokxbt7s5cnmxzteme2cmvs5pldao2qa2ylsnfnpnq._file
Verdict:
malicious
Label(s):
shellcode_loader_002
Create hunting rule
smokeloader
Create hunting rule
Similar samples:
0004d851f92bfea425f064b898e7668d84a26e12954785ce0ec3b62ff2e34d46
Stealc
02eb002f33af51183396e8406bc7518c01c4b2f3b326d227fef6bc7e3c8fd1a6
Stealc
247eb6cc11d0a92ac985fb99c19dcfe4779878f4989764b8ced06727820ff57c
Stealc
50ca2730d4feb93b8d6cf986a86b34912d83c10dd7d7259d3538d415c904af73
Stealc
5c88a340b3b0502c9777fe6159f01d66875341dc739e23a56a21ee18479890f2
Stealc
a73ee8f46c7caf4da7ea6a92dc0a11d58757a83e1b5b9c3723b49690fc238271
Stealc
e629fcf41de2187cafd4c8c38b1e9408a5c521d29459971bb96fae5da26fa9d5
Stealc
error
Stealc
f518307808486c2718cd6b83e4e5f012e3531c8d352abd6d51b7311fcfa2c28c
Stealc
f662b3ef913a9bfb62cb970e6f8f8e81ad75b21deaccffc01cbc1390f34e776e
Stealc
+ 2'690 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/241019-1c2enazerh/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/667348ec-067d-48e9-bd77-620ab3c1d7c5
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/4fcc4fdd-b5b6-4533-a4df-37e2dec92779/
Parent samples :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 hash:
8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb
MD5 hash:
3405f764cc1f7157b7e72e3a0221df2f
SHA1 hash:
945ab89c5090a33c0b0cfc6a926c34d4139b977a
Link:
https://www.unpac.me/results/4fcc4fdd-b5b6-4533-a4df-37e2dec92779/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b5a6222cc08/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/8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb

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

File information

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

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
SHELL_APIManipulates System ShellSHELL32.dll::FindExecutableA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesW
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempPathA
KERNEL32.dll::SetVolumeMountPointW
KERNEL32.dll::SetVolumeMountPointA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen
WINHTTP.dll::WinHttpSetDefaultProxyConfiguration

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