MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab4f041abd53fecc70c291ad0793bd4444f46737f11e1cc2ac299b4a7cb3530. 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

SHA256 hash: 3ab4f041abd53fecc70c291ad0793bd4444f46737f11e1cc2ac299b4a7cb3530
SHA3-384 hash: 180e75ee6d22b10172e89045944afd0d2cb939ed933e2c61ace8bb3fcbc15283392da165927ef19d875e2ba41bb87397
SHA1 hash: 6716c941e677457ef74d9d895bd771e4a89c4295
MD5 hash: 9c994081087ba08cadce7d8d323b6bdc
humanhash: montana-sad-louisiana-paris
File name:file.exe
Download: download sample
Signature Smoke Loader
File size:206'848 bytes
First seen:2023-04-08 14:45:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f291746bcf1daae8a43c71f2189d062f (2 x Smoke Loader, 2 x RedLineStealer, 2 x Amadey)
ssdeep 3072:iGxsJceBg6dWpRGqC7q2P98K+1buhTJwB0cnqC5rRNGlGRl:9CB1gCOM91Hh96BRN
Threatray 4'267 similar samples on MalwareBazaar
TLSH T15214C0317AE0C472D7B788356470DAA4B97ABCB19B94828B23583B3F2D312C05F76356
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 00194da1cd6d3101 (1 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
255
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-04-08 14:48:50 UTC
Tags:
loader smoke trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Reading critical registry keys
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Setting browser functions hooks
Unauthorized injection to a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a browser process
Forced shutdown of a browser
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking mutex)
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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)
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)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 843525 Sample: file.exe Startdate: 08/04/2023 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 5 other signatures 2->46 8 file.exe 2->8         started        11 fjtcdcg 2->11         started        process3 signatures4 62 Detected unpacking (changes PE section rights) 8->62 64 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->64 66 Maps a DLL or memory area into another process 8->66 68 Creates a thread in another existing process (thread injection) 8->68 13 explorer.exe 1 6 8->13 injected 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Checks if the current machine is a virtual machine (disk enumeration) 11->74 process5 dnsIp6 38 seodatastats.xyz 191.101.79.179, 49683, 80 ASDETUKhttpwwwheficedcomGB Chile 13->38 30 C:\Users\user\AppData\Roaming\fjtcdcg, PE32 13->30 dropped 32 C:\Users\user\AppData\Local\Temp\2927.exe, PE32 13->32 dropped 34 C:\Users\user\...\fjtcdcg:Zone.Identifier, ASCII 13->34 dropped 76 System process connects to network (likely due to code injection or exploit) 13->76 78 Benign windows process drops PE files 13->78 80 Performs DNS queries to domains with low reputation 13->80 82 4 other signatures 13->82 18 2927.exe 13->18         started        22 explorer.exe 6 13->22         started        24 explorer.exe 13->24         started        26 13 other processes 13->26 file7 signatures8 process9 dnsIp10 36 89.238.170.250, 2227, 49684 M247GB United Kingdom 18->36 48 Detected unpacking (changes PE section rights) 18->48 50 Detected unpacking (overwrites its own PE header) 18->50 52 Found evasive API chain (may stop execution after checking mutex) 18->52 54 Machine Learning detection for dropped file 18->54 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->56 58 Tries to steal Mail credentials (via file / registry access) 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 28 WerFault.exe 10 26->28         started        signatures11 process12
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2023-04-08 14:46:08 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:sel4 backdoor collection spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Program crash
Accesses Microsoft Outlook profiles
Executes dropped EXE
Reads user/profile data of web browsers
SmokeLoader
Malware Config
C2 Extraction:
http://seodatastats.xyz/cms/
Unpacked files
SH256 hash:
73b64b6bd61ac39cc49eb976c260d19e89e0281289a49418c135c72ebf9792ba
MD5 hash:
13be2006cf615fa51b05cabc44ed7f64
SHA1 hash:
ebf2cb8c1a2f7d78fe5e582ad27fa21d8fcfbcfa
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
3ab4f041abd53fecc70c291ad0793bd4444f46737f11e1cc2ac299b4a7cb3530
MD5 hash:
9c994081087ba08cadce7d8d323b6bdc
SHA1 hash:
6716c941e677457ef74d9d895bd771e4a89c4295
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:yara_template

File information


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

Comments