MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb93c55d670d8d2aea56cd72d7c676c5a388dec103001ed49a3bbf5571776b6. 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



ArkeiStealer


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: bfb93c55d670d8d2aea56cd72d7c676c5a388dec103001ed49a3bbf5571776b6
SHA3-384 hash: e572e6cbd8e1d7887c5083f60916ce297f7c6cc330296e132aa0273b00577d6359719a980d70542017a86d3dbf91036e
SHA1 hash: 94b32b2f5a5319918b0ded289e63d52c8467940e
MD5 hash: 324200aa6c371f8f98203fb5bbf7d56c
humanhash: seventeen-vegan-south-ceiling
File name:324200aa6c371f8f98203fb5bbf7d56c.exe
Download: download sample
Signature ArkeiStealer
File size:220'160 bytes
First seen:2021-08-11 07:40:18 UTC
Last seen:2021-08-11 09:06:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3a683e5c9bc8c05c0c2f946c056969b (2 x RaccoonStealer, 1 x Smoke Loader, 1 x ArkeiStealer)
ssdeep 3072:ZuJmvK8Er8cdt5X5mdScsYh6gSVywo3c+:ZfK8pclN7knGyHM
Threatray 4'557 similar samples on MalwareBazaar
TLSH T1E024BE517DF8D4BAD48505304826CBE4266FFE61BA65054B37983B6FEE303D122FA34A
dhash icon 4839b2b0e8c38890 (105 x RaccoonStealer, 38 x Smoke Loader, 33 x RedLineStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
324200aa6c371f8f98203fb5bbf7d56c.exe
Verdict:
No threats detected
Analysis date:
2021-08-11 07:42:50 UTC
Tags:
n/a

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 a UDP request
Connection attempt
Sending an HTTP POST request
Creating a process from a recently created file
Deleting of the original file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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 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 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
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463141 Sample: 32Ny8TkGvf.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 33 thegymmum.com 2->33 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 57 5 other signatures 2->57 9 32Ny8TkGvf.exe 2->9         started        12 fhfejiw 2->12         started        signatures3 process4 signatures5 69 Detected unpacking (changes PE section rights) 9->69 71 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->71 73 Maps a DLL or memory area into another process 9->73 75 Creates a thread in another existing process (thread injection) 9->75 14 explorer.exe 2 9->14 injected 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 81 Checks if the current machine is a virtual machine (disk enumeration) 12->81 process6 dnsIp7 37 thegymmum.com 138.36.3.134, 49712, 49715, 49727 TEXNETSERVICOSDECOMUNICACAOEMINFORMATICALTDBR Brazil 14->37 39 185.212.47.193, 80 SERVINGADE Sweden 14->39 41 4 other IPs or domains 14->41 29 C:\Users\user\AppData\Roaming\fhfejiw, PE32 14->29 dropped 31 C:\Users\user\...\fhfejiw:Zone.Identifier, ASCII 14->31 dropped 43 System process connects to network (likely due to code injection or exploit) 14->43 45 Benign windows process drops PE files 14->45 47 Deletes itself after installation 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 19 7E8C.exe 2 14->19         started        file8 signatures9 process10 dnsIp11 35 192.168.2.1 unknown unknown 19->35 27 C:\ProgramData\Runtimebroker.exe, PE32 19->27 dropped 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (overwrites its own PE header) 19->61 24 Runtimebroker.exe 19->24         started        file12 signatures13 process14 signatures15 63 Detected unpacking (changes PE section rights) 24->63 65 Detected unpacking (overwrites its own PE header) 24->65 67 Machine Learning detection for dropped file 24->67
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-08-11 03:44:31 UTC
AV detection:
25 of 46 (54.35%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:smokeloader family:vidar botnet:517 backdoor discovery evasion persistence spyware stealer suricata trojan
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Drops startup file
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Modifies Windows Defender Real-time Protection settings
SmokeLoader
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Malware Config
C2 Extraction:
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
https://prophefliloc.tumblr.com/
Dropper Extraction:
http://91.241.19.52/Api/GetFile2
Unpacked files
SH256 hash:
18cd8e90fcd46329480f24d43baa489683b3ee2fcd274bf1714947ef307a6ab2
MD5 hash:
f2fecf6872ad4c61a3a506159fddd4fc
SHA1 hash:
28e039eb96dcf58841992280c66433a2bbab8e84
SH256 hash:
bfb93c55d670d8d2aea56cd72d7c676c5a388dec103001ed49a3bbf5571776b6
MD5 hash:
324200aa6c371f8f98203fb5bbf7d56c
SHA1 hash:
94b32b2f5a5319918b0ded289e63d52c8467940e
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

ArkeiStealer

Executable exe bfb93c55d670d8d2aea56cd72d7c676c5a388dec103001ed49a3bbf5571776b6

(this sample)

  
Delivery method
Distributed via web download

Comments