MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a3cd85cdfd06512e4ef51335a7f3ff7abacd7515e53db2928fffa0bb5e7289a. 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



StormKitty


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 8a3cd85cdfd06512e4ef51335a7f3ff7abacd7515e53db2928fffa0bb5e7289a
SHA3-384 hash: 355fe08adbabc025676350e9e5c15a88bafe140f464881d72877cd05dc077eada3882d8889bda887b8463ae6e51ec793
SHA1 hash: 9f73f68919b945d2cd12d2ca214e33dd178cb826
MD5 hash: 443b1960d06318660901b2bc3b503fb4
humanhash: florida-mars-low-single
File name:Quotation.exe
Download: download sample
Signature StormKitty
File size:952'320 bytes
First seen:2021-05-25 16:22:20 UTC
Last seen:2021-05-26 21:21:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:sDEV/gMPuLo69cSBE8MtuihR+JxKv3iUQu4uRt33xRjVcB2EYmiBAMx:pVYmuU6lO8muKeiQIn3O2EpiPx
Threatray 4'632 similar samples on MalwareBazaar
TLSH 6415BF2C252EF522D1A8C27E86C9442FE690D7373132BE26ECE7175D5708E817D9227E
Reporter James_inthe_box
Tags:exe StormKitty

Intelligence


File Origin
# of uploads :
3
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-05-25 16:27:09 UTC
Tags:
evasion stealer

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

Behaviour
Creating a window
Sending a UDP request
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:
StormKitty
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus detection for dropped file
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected StormKitty Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 424221 Sample: Quotation.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 8 Quotation.exe 7 2->8         started        process3 file4 37 C:\Users\user\AppData\Roaming\WyaYHXgGH.exe, PE32 8->37 dropped 39 C:\Users\...\WyaYHXgGH.exe:Zone.Identifier, ASCII 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmp75D8.tmp, XML 8->41 dropped 43 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 8->43 dropped 75 Uses schtasks.exe or at.exe to add and modify task schedules 8->75 77 Writes to foreign memory regions 8->77 79 Allocates memory in foreign processes 8->79 81 Injects a PE file into a foreign processes 8->81 12 RegSvcs.exe 1 3 8->12         started        15 schtasks.exe 1 8->15         started        signatures5 process6 signatures7 83 Writes to foreign memory regions 12->83 85 Allocates memory in foreign processes 12->85 87 Installs a global keyboard hook 12->87 89 Injects a PE file into a foreign processes 12->89 17 InstallUtil.exe 15 7 12->17         started        21 InstallUtil.exe 6 12->21         started        24 InstallUtil.exe 6 12->24         started        26 conhost.exe 15->26         started        process8 dnsIp9 45 api.mylnikov.org 104.21.9.139, 443, 49730, 49755 CLOUDFLARENETUS United States 17->45 47 icanhazip.com 104.22.19.188, 49729, 49754, 80 CLOUDFLARENETUS United States 17->47 49 82.148.8.0.in-addr.arpa 17->49 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->65 67 May check the online IP address of the machine 17->67 69 Tries to steal Instant Messenger accounts or passwords 17->69 28 MZ.exe 3 17->28         started        51 104.22.18.188, 49760, 80 CLOUDFLARENETUS United States 21->51 53 82.148.8.0.in-addr.arpa 21->53 35 C:\Users\user\AppData\Roaming\...\MZ.exe, PE32 21->35 dropped 71 Tries to steal Mail credentials (via file access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 31 MZ.exe 21->31         started        55 82.148.8.0.in-addr.arpa 24->55 33 MZ.exe 2 24->33         started        file10 signatures11 process12 signatures13 91 Antivirus detection for dropped file 28->91 93 Multi AV Scanner detection for dropped file 28->93 95 Machine Learning detection for dropped file 28->95
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-25 16:22:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:stormkitty spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Executes dropped EXE
StormKitty
StormKitty Payload
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

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