MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fe92942ac54caf5ff6cc85935370ae3efde4467e57ddd227e147d9c86318c28. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 1fe92942ac54caf5ff6cc85935370ae3efde4467e57ddd227e147d9c86318c28
SHA3-384 hash: acbfb38137dac9c0f3d37d998e1edfc39898cd5e3a2b07de0b439dad84060b41b6ab3bc7dad1744c4ee08e3613a9fe40
SHA1 hash: 7d81954dc4805177a85927ed9615da84f0e2f5e0
MD5 hash: c5c751639bbad011af1d7b913332bd35
humanhash: harry-utah-lake-neptune
File name:c5c751639bbad011af1d7b913332bd35.exe
Download: download sample
Signature Smoke Loader
File size:342'528 bytes
First seen:2021-10-25 07:29:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8db75e59319d8e03e56e137596b822bf (6 x RedLineStealer, 2 x Smoke Loader, 2 x ArkeiStealer)
ssdeep 6144:n6AmDAju/QgBVXMx7rh+kkFnqzepSWWbRmoVBqgT5QB:nqLQgBO9wZFqziSdhcg
Threatray 2'991 similar samples on MalwareBazaar
TLSH T162747D10BAA0D039F6F722F44AB99368A93E7EA15B2450CF53D526EE57345E0EC3035B
File icon (PE):PE icon
dhash icon aad8ac9cc6a68ee0 (34 x RedLineStealer, 14 x RaccoonStealer, 11 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
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.evad
Score:
100 / 100
Signature
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)
DLL reload attack detected
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Renames NTDLL to bypass HIPS
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 download HTTP data from a sinkholed server
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 508804 Sample: 4KYLb0AyrF.exe Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 29 Tries to download HTTP data from a sinkholed server 2->29 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Multi AV Scanner detection for domain / URL 2->33 35 6 other signatures 2->35 6 4KYLb0AyrF.exe 1 2->6         started        9 ccegirs 1 2->9         started        process3 file4 37 DLL reload attack detected 6->37 39 Detected unpacking (changes PE section rights) 6->39 41 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 6->41 49 3 other signatures 6->49 12 explorer.exe 2 6->12 injected 17 C:\Users\user\AppData\Local\Temp\1105.tmp, PE32 9->17 dropped 43 Multi AV Scanner detection for dropped file 9->43 45 Machine Learning detection for dropped file 9->45 47 Renames NTDLL to bypass HIPS 9->47 signatures5 process6 dnsIp7 23 escalivrouter.net 12->23 25 nusurtal4f.net 5.61.34.153, 80 LEASEWEB-DE-FRA-10DE United Kingdom 12->25 27 7 other IPs or domains 12->27 19 C:\Users\user\AppData\Roaming\ccegirs, PE32 12->19 dropped 21 C:\Users\user\...\ccegirs:Zone.Identifier, ASCII 12->21 dropped 51 System process connects to network (likely due to code injection or exploit) 12->51 53 Benign windows process drops PE files 12->53 55 Deletes itself after installation 12->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->57 file8 signatures9
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2021-10-23 06:40:26 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:redline family:smokeloader family:vidar botnet:517 botnet:706 backdoor discovery infostealer persistence ransomware spyware stealer suricata trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Detected Djvu ransomware
Djvu Ransomware
RedLine
RedLine Payload
SmokeLoader
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Malware Config
C2 Extraction:
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
https://mas.to/@xeroxxx
http://rlrz.org/lancer
Unpacked files
SH256 hash:
bfc885ce74d24de6155e7460de32e940ef49b822f26d588310f519ad837ffbd6
MD5 hash:
4412c75f00dc6572efb3e171c4642f5c
SHA1 hash:
018a5a75ff828f4de3d1eae5735cf748beead94c
SH256 hash:
1fe92942ac54caf5ff6cc85935370ae3efde4467e57ddd227e147d9c86318c28
MD5 hash:
c5c751639bbad011af1d7b913332bd35
SHA1 hash:
7d81954dc4805177a85927ed9615da84f0e2f5e0
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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 1fe92942ac54caf5ff6cc85935370ae3efde4467e57ddd227e147d9c86318c28

(this sample)

  
Delivery method
Distributed via web download

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