MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88c2df27f12c638e7ebd866f6e27b9284e1dd90e07c611a2a581426a9ff9bed5. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 88c2df27f12c638e7ebd866f6e27b9284e1dd90e07c611a2a581426a9ff9bed5
SHA3-384 hash: 1bfcd40d432ffaaec7d73ef1ebfdb12d9a5ee21e8fbc4a7f6be833ae90ea99e8f72dbf995b56ef16a328ae5c78afb9d3
SHA1 hash: d85184c74b90c6912cbedc52683a3b6ebdfdd393
MD5 hash: 8fbcade12b7f67165d34f5c712bf6815
humanhash: mango-west-winner-alabama
File name:Shipping Documents.pdf.exe
Download: download sample
Signature StormKitty
File size:535'040 bytes
First seen:2023-04-19 11:38:18 UTC
Last seen:Never
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:IjkPoA4fOZ+TzfMXSyuWj+fxrf6a/3EQlpQZTdtyUubJX:Ijk7mOOzfqSyOfL3pQoLFX
Threatray 224 similar samples on MalwareBazaar
TLSH T15AB4E0199026EDF3F5990B32040436E9CE70A5E33877C63C4BA77896EBAF7152D9418B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe SnakeKeylogger StormKitty

Intelligence


File Origin
# of uploads :
1
# of downloads :
248
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 11:39:54 UTC
Tags:
snake keylogger trojan evasion

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

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, StormKitty
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected Snake Keylogger
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 849813 Sample: Shipping_Documents.pdf.exe Startdate: 19/04/2023 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 11 other signatures 2->64 8 Shipping_Documents.pdf.exe 7 2->8         started        12 cqLqbJVJg.exe 5 2->12         started        process3 file4 40 C:\Users\user\AppData\Roaming\cqLqbJVJg.exe, PE32 8->40 dropped 42 C:\Users\...\cqLqbJVJg.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpC1E5.tmp, XML 8->44 dropped 46 C:\Users\...\Shipping_Documents.pdf.exe.log, ASCII 8->46 dropped 66 May check the online IP address of the machine 8->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 8->68 70 Adds a directory exclusion to Windows Defender 8->70 14 Shipping_Documents.pdf.exe 15 2 8->14         started        18 powershell.exe 19 8->18         started        20 powershell.exe 21 8->20         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 24 cqLqbJVJg.exe 12->24         started        26 schtasks.exe 12->26         started        28 cqLqbJVJg.exe 12->28         started        signatures5 process6 dnsIp7 48 checkip.dyndns.com 158.101.44.242, 49696, 80 ORACLE-BMC-31898US United States 14->48 50 checkip.dyndns.org 14->50 52 api.telegram.org 149.154.167.220, 443, 49697, 49699 TELEGRAMRU United Kingdom 14->52 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        54 132.226.8.169, 49698, 80 UTMEMUS United States 24->54 56 checkip.dyndns.org 24->56 78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures8 process9 process10 38 conhost.exe 30->38         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-17 10:06:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:snakekeylogger family:stormkitty collection keylogger spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot6029559841:AAEqr8_NCfqapJgAzw8PoPbqoCosnsk1VO0/sendMessage?chat_id=6033043077
Unpacked files
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
SH256 hash:
0fd1f00d94aff36ad8f02077efb33ddf269985ea37038aae554ff6202fdc020f
MD5 hash:
8dfd8e44c82066f4aeeff652fa2a33c5
SHA1 hash:
b844952e48ecab0e7ab2e3d5e38a20629399f94c
SH256 hash:
76b9aaae7715cdab78cb42af78f181a7dc5fb779216954fc23bf2da1922e6588
MD5 hash:
9eafc291792bf99f221bde82dad447cd
SHA1 hash:
9c18350947af7301037ec25144be57fabf6e6737
SH256 hash:
194f1f18a95a943fafdd16bf79a661ecc2c1ce8ba60856d8efc6efdd261c053d
MD5 hash:
d2ba39121b308ff027068c5b59d929da
SHA1 hash:
939f1a98ab992dc4cf38b782e280b33fa98f8892
SH256 hash:
ff26aeac88e27fcb65dcf0a37d4c3b6ce425aa057f693feb3fc203b061b6e3fe
MD5 hash:
c3401cbf3f8ee9232583bb81ca7f9958
SHA1 hash:
1a254a0615d0dc03b2c4e6b55f858fd06ffb2c19
Detections:
snake_keylogger
SH256 hash:
88c2df27f12c638e7ebd866f6e27b9284e1dd90e07c611a2a581426a9ff9bed5
MD5 hash:
8fbcade12b7f67165d34f5c712bf6815
SHA1 hash:
d85184c74b90c6912cbedc52683a3b6ebdfdd393
Malware family:
SnakeKeylogger
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: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.

Malspam

StormKitty

Executable exe 88c2df27f12c638e7ebd866f6e27b9284e1dd90e07c611a2a581426a9ff9bed5

(this sample)

  
Dropped by
snakekeylogger
  
Delivery method
Distributed via e-mail attachment

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