MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73bf87821c4d157431ad75b465ce9f61486b12e8e3e86505c49a19348a3146d5. 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



RecordBreaker


Vendor detections: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 73bf87821c4d157431ad75b465ce9f61486b12e8e3e86505c49a19348a3146d5
SHA3-384 hash: 641e7b0c74f550f2ee13be0a1565d2a0f49d8020152b4aadf0acab9c1cd9221f6007349075de3a5eead1f99d5941156b
SHA1 hash: ef4c24911ba74563f1a699241233e1872a7c61da
MD5 hash: 915e9687b3eab84e6806924bf5555775
humanhash: wolfram-arizona-potato-hawaii
File name:915e9687b3eab84e6806924bf5555775.exe
Download: download sample
Signature RecordBreaker
File size:300'032 bytes
First seen:2023-10-10 23:10:59 UTC
Last seen:2023-10-10 23:46:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20edda4679262ae05d191b490c616035 (4 x RecordBreaker, 2 x Tofsee, 1 x TeamBot)
ssdeep 3072:RgqBki1HnZ5fkOwMZUB82s3+eTxXlLmrzK3UiKj430:hPnZ5cOwau82suQ8re3O4
Threatray 2'559 similar samples on MalwareBazaar
TLSH T132547D03A3A0BC27E5664B325E2DC6A8362FFC91CE15679622586F7F0C711B1D663B13
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 70d0ddd0d2c8d2dd (2 x TeamBot, 2 x RecordBreaker, 1 x NetSupport)
Reporter abuse_ch
Tags:exe recordbreaker


Avatar
abuse_ch
RecordBreaker C2:
http://93.185.166.154/

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
915e9687b3eab84e6806924bf5555775.exe
Verdict:
Malicious activity
Analysis date:
2023-10-10 23:13:41 UTC
Tags:
loader smoke

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Sending a custom TCP request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
No Threat
Threat level:
  10/10
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-10-10 23:11:06 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Unpacked files
SH256 hash:
73bf87821c4d157431ad75b465ce9f61486b12e8e3e86505c49a19348a3146d5
MD5 hash:
915e9687b3eab84e6806924bf5555775
SHA1 hash:
ef4c24911ba74563f1a699241233e1872a7c61da
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:pe_no_import_table
Author:qux
Description:Detects exe does not have import table
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

RecordBreaker

Executable exe 73bf87821c4d157431ad75b465ce9f61486b12e8e3e86505c49a19348a3146d5

(this sample)

  
Delivery method
Distributed via web download

Comments