MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6e14fc7eb1cbe97ab0c86b2a5b473591c4e0cfd1563f3c2b12ac13793680c2d. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6e14fc7eb1cbe97ab0c86b2a5b473591c4e0cfd1563f3c2b12ac13793680c2d
SHA3-384 hash: df36f60f3b0b14b611dc45e9b74213e0f3cb4915b89b0b3f2811afc1267e74496753a60f7ddafd0785eeb269769cd5ea
SHA1 hash: 34a2bf350029f3530ffdb4ba84e4a3c34e07d004
MD5 hash: 7143d8cdf34062acfb10ed7697df5e89
humanhash: failed-oscar-two-quiet
File name:7143d8cdf34062acfb10ed7697df5e89.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:436'736 bytes
First seen:2021-12-10 07:54:10 UTC
Last seen:2021-12-11 17:35:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZA8lOGsGILZvk1A3a4TFjSyOGgtJjAMOabfVs:ZLlOGsGILDfNWAMH6
TLSH T12D946B2C25C7D6DDF83ED7783AA4619803E4BCF5E603E1DEFC94319B6933A506A22521
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7143d8cdf34062acfb10ed7697df5e89.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-10 07:58:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a5d08263-1db0-49fe-89cc-019d0aa34f49

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/213064/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b307d8fa72c81b5b15d6ef/reports/ad4cb2b9-a84a-4ef5-8648-004572f9caa4/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ebca2b06-d45e-4ba1-baaf-29daba397a47
Result
Threat name:
Cryptolocker SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905130
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
Benign windows process drops PE files
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
DLL reload attack detected
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Renames NTDLL to bypass HIPS
Sigma detected: Execution Of Other File Type Than .exe
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Cryptolocker ransomware
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 537608 Sample: mb7um2L5iJ.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Antivirus detection for URL or domain 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 9 other signatures 2->95 9 mb7um2L5iJ.exe 3 2->9         started        13 etsebcj 3 2->13         started        process3 file4 47 C:\Users\user\AppData\...\mb7um2L5iJ.exe.log, ASCII 9->47 dropped 97 DLL reload attack detected 9->97 99 Injects a PE file into a foreign processes 9->99 15 mb7um2L5iJ.exe 1 9->15         started        19 mb7um2L5iJ.exe 9->19         started        21 mb7um2L5iJ.exe 9->21         started        101 Multi AV Scanner detection for dropped file 13->101 23 etsebcj 1 13->23         started        25 etsebcj 13->25         started        signatures5 process6 file7 59 C:\Users\user\AppData\Local\Temp\BC84.tmp, PE32 15->59 dropped 69 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->69 71 Renames NTDLL to bypass HIPS 15->71 73 Maps a DLL or memory area into another process 15->73 27 explorer.exe 9 16 15->27 injected 75 Checks if the current machine is a virtual machine (disk enumeration) 23->75 77 Creates a thread in another existing process (thread injection) 23->77 signatures8 process9 dnsIp10 63 4urhappiness.com 192.185.26.75, 49768, 49776, 49778 UNIFIEDLAYER-AS-1US United States 27->63 65 planilhasvba.com.br 216.172.172.202, 443, 49750, 49751 UNIFIEDLAYER-AS-1US United States 27->65 67 3 other IPs or domains 27->67 51 C:\Users\user\AppData\Roaming\etsebcj, PE32 27->51 dropped 53 C:\Users\user\AppData\Local\Temp\D4D0.exe, PE32 27->53 dropped 55 C:\Users\user\...\etsebcj:Zone.Identifier, ASCII 27->55 dropped 57 C:\Users\user\AppData\Local\TempC95.exe, PE32 27->57 dropped 103 System process connects to network (likely due to code injection or exploit) 27->103 105 Benign windows process drops PE files 27->105 107 Uses cmd line tools excessively to alter registry or file data 27->107 109 4 other signatures 27->109 32 explorer.exe 8 27->32         started        36 D4D0.exe 1 27->36         started        38 EC95.exe 1 27->38         started        40 explorer.exe 27->40         started        file11 signatures12 process13 dnsIp14 61 4urhappiness.com 32->61 79 System process connects to network (likely due to code injection or exploit) 32->79 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 32->81 83 Tries to steal Mail credentials (via file / registry access) 32->83 85 Tries to harvest and steal browser information (history, passwords, etc) 32->85 87 Uses cmd line tools excessively to alter registry or file data 36->87 42 ServiceModelReg.exe 1 15 36->42         started        45 cvtres.exe 38->45         started        signatures15 process16 file17 49 C:\Users\user\AppData\...\ServiceModelReg.exe, PE32 42->49 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6e14fc7eb1cbe97ab0c86b2a5b473591c4e0cfd1563f3c2b12ac13793680c2d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 07:55:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor collection persistence ransomware trojan
Link:
https://tria.ge/reports/211210-jr41nahbbm/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops desktop.ini file(s)
Enumerates connected drives
Deletes itself
Loads dropped DLL
Uses the VBS compiler for execution
Downloads MZ/PE file
Executes dropped EXE
Modifies Installed Components in the registry
Modifies extensions of user files
SmokeLoader
Malware Config
C2 Extraction:
http://planilhasvba.com.br/wp-admin/js/k/index.php
http://rpk32ubon.ac.th/backup/k/index.php
http://4urhappiness.com/app/k/index.php
http://swedenkhabar.com/wp-admin/js/k/index.php
http://cio.lankapanel.net/wp-admin/js/k/index.php
http://fcmsites.com.br/canal/wp-admin/js/k/index.php
http://lacoibipitanga.com.br/maxart/k/index.php
http://lacoibipitanga.com.br/cgi-bin/k/index.php
http://video.nalahotel.com/k/index.php
http://diving-phocea.com/wp-admin/k/index.php
http://phocea-sudan.com/cgi-bin/k/index.php
http://rpk32ubon.ac.th/wp-admin/js/k/index.php
https://www.twinrealty.com/vworker/k/index.php
Unpacked files
SH256 hash:
9c53ac5c4df5af245263ee0d01c159378b285911fe85e10b7669b9224570a5dd
MD5 hash:
db9a089c112621e85cc2d4c80fed0f18
SHA1 hash:
da57e61cdd11fb924f5db5a4b093c25d37f040cf
Link:
https://www.unpac.me/results/ad3fbfbc-954f-4342-b895-2c11f25c73ea/
SH256 hash:
29ff478ca3589645cbbb1f008e2b10fe8e0ab52b9bf684849e34d02ec8e2e0a7
MD5 hash:
c4e44710825105e40541cf0ef3baeda4
SHA1 hash:
c1c685b7b3c682434a5290ef5620ddf517a478cb
Link:
https://www.unpac.me/results/ad3fbfbc-954f-4342-b895-2c11f25c73ea/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/ad3fbfbc-954f-4342-b895-2c11f25c73ea/
SH256 hash:
f6e14fc7eb1cbe97ab0c86b2a5b473591c4e0cfd1563f3c2b12ac13793680c2d
MD5 hash:
7143d8cdf34062acfb10ed7697df5e89
SHA1 hash:
34a2bf350029f3530ffdb4ba84e4a3c34e07d004
Link:
https://www.unpac.me/results/ad3fbfbc-954f-4342-b895-2c11f25c73ea/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f6e14fc7eb1c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f6e14fc7eb1cbe97ab0c86b2a5b473591c4e0cfd1563f3c2b12ac13793680c2d

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/213064/

Comments