MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b048a1bfca1c0f1a364faeef88c9decda4fa71a66e3dd3225abe70e267b0b36b. 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 3 File information Comments 1

SHA256 hash: b048a1bfca1c0f1a364faeef88c9decda4fa71a66e3dd3225abe70e267b0b36b
SHA3-384 hash: dbcd50e13f8ca39dd8d9430ad59910f5ac611706972a25c3cf23e71168ee2f420b6fe977dc70040dfa1d1d56a86fddd5
SHA1 hash: 16ca58673b25bd18af4e3fc0bc719601e4c9ca0a
MD5 hash: 120cbb2cca4d4036d54253165cd428d5
humanhash: charlie-jig-comet-lima
File name:120cbb2cca4d4036d54253165cd428d5
Download: download sample
Signature Smoke Loader
File size:295'424 bytes
First seen:2023-08-05 11:35:24 UTC
Last seen:2023-08-25 17:32:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 63b403774c774916f9ed6282f41f8cf0 (2 x RedLineStealer, 2 x Smoke Loader, 1 x Tofsee)
ssdeep 3072:AQz4leyZubx61L/cpAyk06vhXYGgUVVa+x9f1j3yS2JbtB6kV8Ijk+Wgn6dHeaWj:NdyZubx0L/c/Ch93a+71j3N2JbtXWz
Threatray 1'532 similar samples on MalwareBazaar
TLSH T13E54AE1272C2E472E62645358D2ECAF42A3EB8704F596AD733567F2F1D312E2DA72341
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0004041830301209 (1 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
308
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
120cbb2cca4d4036d54253165cd428d5
Verdict:
Malicious activity
Analysis date:
2023-08-05 11:38:39 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
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware 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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
bank.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 browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
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)
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 dropped file
Multi AV Scanner detection for submitted file
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: 1286449 Sample: B9qc56srfh.exe Startdate: 05/08/2023 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 5 other signatures 2->48 7 B9qc56srfh.exe 2->7         started        10 igjvwwr 2->10         started        12 igjvwwr 2->12         started        process3 signatures4 58 Detected unpacking (changes PE section rights) 7->58 60 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->60 62 Maps a DLL or memory area into another process 7->62 14 explorer.exe 5 4 7->14 injected 64 Multi AV Scanner detection for dropped file 10->64 66 Machine Learning detection for dropped file 10->66 68 Checks if the current machine is a virtual machine (disk enumeration) 10->68 70 Creates a thread in another existing process (thread injection) 12->70 process5 dnsIp6 32 anydesk-my.com 82.180.174.18, 443, 49695 BROADCOMDK Denmark 14->32 28 C:\Users\user\AppData\Roaming\igjvwwr, PE32 14->28 dropped 30 C:\Users\user\...\igjvwwr:Zone.Identifier, ASCII 14->30 dropped 34 System process connects to network (likely due to code injection or exploit) 14->34 36 Benign windows process drops PE files 14->36 38 Injects code into the Windows Explorer (explorer.exe) 14->38 40 3 other signatures 14->40 19 explorer.exe 6 14->19         started        22 explorer.exe 4 14->22         started        24 explorer.exe 14->24         started        26 12 other processes 14->26 file7 signatures8 process9 signatures10 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->50 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Checks if browser processes are running 19->54 56 2 other signatures 19->56
Threat name:
Win32.Trojan.MintZard
Status:
Malicious
First seen:
2023-08-03 15:10:34 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
https://anydesk-my.com/faq/
http://anydesk-my.com/faq/
Unpacked files
SH256 hash:
ac6204b4448ca4be5bf2c2ea19c391550624e81cb7fb866f7003afa40c4f78ec
MD5 hash:
e35e42f83a21437d167a11f3ab4053d1
SHA1 hash:
bd0e63a0ad2b398e25d5ec6f837766b5999887c6
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
b048a1bfca1c0f1a364faeef88c9decda4fa71a66e3dd3225abe70e267b0b36b
MD5 hash:
120cbb2cca4d4036d54253165cd428d5
SHA1 hash:
16ca58673b25bd18af4e3fc0bc719601e4c9ca0a
Malware family:
SmokeLoader
Verdict:
Malicious
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

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 b048a1bfca1c0f1a364faeef88c9decda4fa71a66e3dd3225abe70e267b0b36b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-08-05 11:35:25 UTC

url : hxxp://193.233.255.9/lend/Gammatraff.exe