MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f
SHA3-384 hash: a29101906e8515e6f8fde3dc46ffb6e2de55a46aa2654716b17e00bd9ffdc9071e6451eb18ae93ec457c81066682b45e
SHA1 hash: c104b67a69944ed526d35c8810a11e149b4f940a
MD5 hash: 05de899a2e9b023f167c77e299c6ca01
humanhash: foxtrot-missouri-wisconsin-nebraska
File name:SecuriteInfo.com.Trojan.Siggen18.41021.9404.23168
Download: download sample
Signature Smoke Loader
File size:803'285 bytes
First seen:2024-07-27 14:23:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40e01d5f8aacd6ede3902bc0d05c6b17 (2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 12288:sfcQ2enSVwLswxe1epJ4I/roVWBjIjh64kpLG/S:8v2enewAwxe1epuIcVGjIj0Sq
Threatray 4'239 similar samples on MalwareBazaar
TLSH T10D056D5AFBD528AAD12A9272C1F5D7B53733A308273BC7334AEDDD350D0AA909C4A513
TrID 32.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
20.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen18.41021.9404.23168.exe
Verdict:
Malicious activity
Analysis date:
2024-07-27 16:06:35 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
Encryption Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm overlay packed
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted 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)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 submitted file
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1483460 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 27/07/2024 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 7 other signatures 2->36 7 SecuriteInfo.com.Trojan.Siggen18.41021.9404.23168.exe 1 2->7         started        10 fwfiuwb 2 2->10         started        process3 signatures4 38 Contains functionality to inject code into remote processes 7->38 40 Writes to foreign memory regions 7->40 42 Allocates memory in foreign processes 7->42 44 Injects a PE file into a foreign processes 7->44 12 MSBuild.exe 7->12         started        15 WerFault.exe 22 16 7->15         started        17 conhost.exe 7->17         started        19 conhost.exe 10->19         started        process5 signatures6 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->52 54 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->54 56 Maps a DLL or memory area into another process 12->56 58 3 other signatures 12->58 21 explorer.exe 69 3 12->21 injected process7 dnsIp8 28 185.215.113.58, 443, 49731, 49734 WHOLESALECONNECTIONSNL Portugal 21->28 26 C:\Users\user\AppData\Roaming\fwfiuwb, PE32 21->26 dropped 46 System process connects to network (likely due to code injection or exploit) 21->46 48 Benign windows process drops PE files 21->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->50 file9 signatures10
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2022-08-22 16:41:07 UTC
File Type:
PE (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
637cc87badc86c8810a41c18d7b54b334b85b1ce618096266a36822aba6c7838
MD5 hash:
27ad856afafcb07c97b1dfc0ac97014d
SHA1 hash:
d3bd442a112d00c77a2678c501824b99c28ba3a8
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Parent samples :
049ae382c00f3cbd42e9108966c445234ed5bccce0913dae44c313295879a6c2
14907c8f52a1b18f8cd4b624be670b0816584e64edca4908874b370051aa9588
411c449f978ff2425a9ee85a26157a0ba45a4895f6c1401a7c4d9a9c42c6a73b
9f811e7bbc6d4799de5647e11e35d4e681485840ff65dc8ced5f956729ac3058
6f1be4ceefebd6a4187054c34b04a1b018d286df2a72fc33a1d8634eb05b5904
ec17ee8c58501e2c4a36b34b6ce197e560110ab9ea5d27242aa16cb779d99f30
d94097abbaadd3536649ca914b7ac5f8828e723b74c38f37a2c23ec16156b757
0f9818da5be93ab2dc710fe465a2a73e34f94117d83cec9c7df3e731fa222806
a43433625076aa276533b5faeb23c9a5d03157792f9437881531993117e20374
8fd895672a55c6fcd3377f5fad1470fd6de484b15e6c2e311d3d2eeb49eaaba6
55ce60337b976bf6f2d8ca5e18570a89ba28629eb604f3c1077505a1f24925d4
b01bec4da3f92e8c5ab0aade43b36d8708ad102bc21adf0ada90268cbdf8c323
91c442914adf29943de6c481b6f87fe0902a8091727ca7acd4f0077ca17db29c
43131ef1c55210090ac84756df8eedfe4d0420b9cadb0c3f74a922f3d6de479b
8ce422ca5d00dfab9a96b1a32d5f6ca80929135a80067df961c9aa2aa89c024a
f8e35969821908e0af316b8cbecc3f53aa4ecd496e903fbd511cb177472837c6
c782f2e0413c3e85c372eaf7d20271480eb9e1f3bb62a56a87f00b7a9e52653f
f5f0060d8e6b44619fdcf74db5cc5d6e50be365cf7c92b32325e3a91d622a1f9
bab1360b32a15d819fecaa045b25852f4002fb6bc0a5c12d1356666053387fca
538dcfdf83192a091a5b38d65a397deed5f90b7438089c95c3976b6e08725b53
0521a08a093b772526ba77b22779d12d4a4bf7e0f8a2d601368721f25a22041e
1a1a1fc106492d46570f3031f05ccc27dd23b8266df4208d648923a7b684d1af
19179691a4b13ec40c1fcc1eaa3a4268560e6bc9f129b74efab5a9c2dcce8643
ccfa2a67d01921867191fc088fd2e3c5c60209b1e6423e1586218d739f47a145
26613597e6d95832653eb761c6a7acc7275e54ac4f5b832442682085028ee8f0
fcd96c4fd4bdd293263e4e3fe5447f170b2047fd7c483de1e0e639be61d1920a
515056cdf4a174cc6ac58615d36ff90f82d6f9827adc052b0d180d1e6e7394ec
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f
SH256 hash:
61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f
MD5 hash:
05de899a2e9b023f167c77e299c6ca01
SHA1 hash:
c104b67a69944ed526d35c8810a11e149b4f940a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

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 61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f

(this sample)

  
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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::GetConsoleWindow

Comments