MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0. 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


Smoke Loader


Vendor detections: 17


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

SHA256 hash: c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
SHA3-384 hash: 39953be9a08cc701c794df033ec7d46d37652269dad62c9feba7d7e51c79d4baddb4b3763e2e775e7e8486b95afcb58a
SHA1 hash: 7120a9dacde0369d8df252dc1d3a34b23b614962
MD5 hash: 01e4f31efce4ef63c904d6c60c09edd1
humanhash: grey-sad-beer-iowa
File name:01e4f31efce4ef63c904d6c60c09edd1.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:231'936 bytes
First seen:2024-08-29 09:07:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 310f529f7ceda238fd1a8dcd68dc8454 (1 x MeduzaStealer, 1 x Smoke Loader)
ssdeep 3072:AdHfJldVDKYps9AH+sQjue++mmC2JsHcz1:AdHfJlLpbLoq+6Ys8
TLSH T149348D1136F64839EDBB47345E70E5A41A3B7E9367B6418F22B03E2F1E7369089E0752
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 0810304062301000 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
584
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01e4f31efce4ef63c904d6c60c09edd1.exe
Verdict:
Malicious activity
Analysis date:
2024-08-29 09:09:00 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/2e4e0cf8-317b-491c-9a0f-0628c15cdc38

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader47.31949.10555.24850.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d03a74fe69a9e56049d46d
Tags:
Network Stealth Smoke Loader
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
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:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/66d03a7558cbff3e3abe48f3/reports/9dee9eb3-e9ba-4310-a314-490ea733992a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/be4db3b2-c77c-481d-af5f-f81edac78717
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501057
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
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)
Drops PE files with a suspicious file extension
Found malware configuration
Found stalling execution ending in API Sleep call
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 domain / URL
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: 1501057 Sample: 6I8BO0tIYE.exe Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 52 yosoborno.com 2->52 54 surprisethreads.info 2->54 56 oytrtojfgh.asia 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 7 other signatures 2->64 10 6I8BO0tIYE.exe 2->10         started        13 gbfabgw 2->13         started        15 gbfabgw 2->15         started        signatures3 process4 signatures5 78 Detected unpacking (changes PE section rights) 10->78 80 Maps a DLL or memory area into another process 10->80 82 Checks if the current machine is a virtual machine (disk enumeration) 10->82 84 Switches to a custom stack to bypass stack traces 10->84 17 explorer.exe 64 6 10->17 injected 86 Multi AV Scanner detection for dropped file 13->86 88 Machine Learning detection for dropped file 13->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->90 92 Creates a thread in another existing process (thread injection) 15->92 process6 dnsIp7 46 186.145.236.93, 61896, 61897, 61898 TelmexColombiaSACO Colombia 17->46 48 surprisethreads.info 94.156.69.247, 443, 61885 TERASYST-ASBG Bulgaria 17->48 50 yosoborno.com 211.168.53.110, 61864, 61865, 61866 LGDACOMLGDACOMCorporationKR Korea Republic of 17->50 38 C:\Users\user\AppData\Roaming\gbfabgw, PE32 17->38 dropped 40 C:\Users\user\AppData\Local\Temp\D1D7.exe, PE32 17->40 dropped 42 C:\Users\user\...\gbfabgw:Zone.Identifier, ASCII 17->42 dropped 66 System process connects to network (likely due to code injection or exploit) 17->66 68 Benign windows process drops PE files 17->68 70 Deletes itself after installation 17->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->72 22 D1D7.exe 23 17->22         started        file8 signatures9 process10 signatures11 74 Multi AV Scanner detection for dropped file 22->74 76 Found stalling execution ending in API Sleep call 22->76 25 cmd.exe 2 22->25         started        process12 file13 44 C:\Users\user\AppData\Local\Temp\...44p.pif, PE32 25->44 dropped 94 Drops PE files with a suspicious file extension 25->94 29 Np.pif 25->29         started        32 cmd.exe 2 25->32         started        34 conhost.exe 25->34         started        36 7 other processes 25->36 signatures14 process15 signatures16 96 Multi AV Scanner detection for dropped file 29->96
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-08-28 16:29:55 UTC
File Type:
PE (Exe)
Extracted files:
34
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zhpxqo2uykqtl4no2a7fxserbv3lix4g3pbe4xzjl76w4l6dz6qa._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/240829-k3wdbswarl/
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/30ccebc2-a465-4f80-af9b-81285d868331
Unpacked files
SH256 hash:
94f6dd5dde19307d152c1a86c8d879b0b15882635efcca85448a8581e93f1d48
MD5 hash:
cee613a424d18d0af532c894f5adfe99
SHA1 hash:
f40cfd81f975a2e2a0176aa8b693990faa7df513
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/23054929-2397-4152-9cdc-b2fc4ae3da3f/
Parent samples :
064c59b3a8b03e6c733f88483fd675d99bc805399c55d4a1a7b613aa20d08de8
bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac
82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
64f1dd01e35a2b9ea3cfef3add84388f63e4ac7fcfd1daf68e5aebeb11c8e944
SH256 hash:
c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
MD5 hash:
01e4f31efce4ef63c904d6c60c09edd1
SHA1 hash:
7120a9dacde0369d8df252dc1d3a34b23b614962
Link:
https://www.unpac.me/results/23054929-2397-4152-9cdc-b2fc4ae3da3f/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9df783b54c2/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/c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0

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:DebuggerHiding__Active
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.

Web download

Smoke Loader

Executable exe c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3112849/
  
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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleAliasesW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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