MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
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SHA256 hash: 7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26
SHA3-384 hash: be55bf7d112909f6586d7aab9cd5674f106bf5a7d12298903ef86efe547fc428cbc10b25f14bb03d27244fdea40ebf78
SHA1 hash: e95e06a65f58ad79f18703b9d7e4c368b3cb4111
MD5 hash: 89b50d1a3235605ef9d41c853dc836a1
humanhash: london-four-paris-montana
File name:SWIFT IMG_2022082__000021001.pdf.exe
Download: download sample
Signature StormKitty
Create hunting rule
File size:33'280 bytes
First seen:2022-08-26 06:26:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:cYEFJv2nurSZxASYvuT+/mz3PcefI/A57:Q3unumASYvuumz3Pnf9d
TLSH T1DFE22B655B5C8220EA6A4F3AF0A79564036B9F82FC36EB0A7D41B3827F337C4D531525
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9b0383856433132b (7 x AgentTesla, 2 x StormKitty, 1 x PureCrypter)
Reporter lowmal3
Tags:exe StormKitty

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT IMG_2022082__000021001.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-26 06:28:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c106db80-ef22-4c9f-9a63-b95e620d9835

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301303/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63086830393b1c8c47146c3a/reports/87fb1609-dfce-47db-9e61-f7b978a0873d/overview
Result
Verdict:
SUSPICIOUS
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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9cafb0bd-a78e-40e8-baa5-01ee509a414d
Result
Threat name:
AsyncRAT, BluStealer, DarkCloud, StormKi
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058178
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Encrypted powershell cmdline option found
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
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected BluStealer
Yara detected DarkCloud
Yara detected Generic Downloader
Yara detected Generic Dropper
Yara detected MSILDownloaderGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690695 Sample: SWIFT IMG_2022082__00002100... Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 Yara detected DarkCloud 2->81 83 13 other signatures 2->83 7 SWIFT IMG_2022082__000021001.pdf.exe 16 7 2->7         started        12 Vydnzblx.exe 14 4 2->12         started        14 Vydnzblx.exe 3 2->14         started        process3 dnsIp4 49 cdn.discordapp.com 162.159.134.233, 443, 49709, 49714 CLOUDFLARENETUS United States 7->49 43 C:\Users\user\AppData\...\Vydnzblx.exe, PE32 7->43 dropped 45 C:\Users\...\Vydnzblx.exe:Zone.Identifier, ASCII 7->45 dropped 47 SWIFT IMG_2022082__000021001.pdf.exe.log, ASCII 7->47 dropped 85 Encrypted powershell cmdline option found 7->85 16 SWIFT IMG_2022082__000021001.pdf.exe 1 7->16         started        19 powershell.exe 17 7->19         started        21 SWIFT IMG_2022082__000021001.pdf.exe 7->21         started        51 192.168.2.1 unknown unknown 12->51 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 23 Vydnzblx.exe 12->23         started        25 powershell.exe 12->25         started        53 162.159.130.233, 443, 49722 CLOUDFLARENETUS United States 14->53 27 powershell.exe 14->27         started        29 Vydnzblx.exe 14->29         started        file5 signatures6 process7 signatures8 61 Writes to foreign memory regions 16->61 63 Allocates memory in foreign processes 16->63 65 Injects a PE file into a foreign processes 16->65 31 AppLaunch.exe 14 3 16->31         started        35 conhost.exe 19->35         started        37 AppLaunch.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        process9 dnsIp10 55 icanhazip.com 104.18.114.97, 49713, 49724, 80 CLOUDFLARENETUS United States 31->55 57 43.97.8.0.in-addr.arpa 31->57 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->67 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->69 71 May check the online IP address of the machine 31->71 59 43.97.8.0.in-addr.arpa 37->59 73 Tries to steal Mail credentials (via file / registry access) 37->73 75 Tries to harvest and steal browser information (history, passwords, etc) 37->75 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26/
Threat name:
Win32.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-08-26 01:52:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
11 of 26 (42.31%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=poggh7evmtec3n6ch7hvep7kjz7gtxso67n4lqvtxmdkosi3j4ta._file
Verdict:
malicious
Label(s):
masslogger
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Result
Malware family:
stormkitty
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Score:
  10/10
Tags:
family:blustealer family:stormkitty collection discovery persistence stealer
Link:
https://tria.ge/reports/220826-g7rddshed7/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Creates a large amount of network flows
BluStealer
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26
MD5 hash:
89b50d1a3235605ef9d41c853dc836a1
SHA1 hash:
e95e06a65f58ad79f18703b9d7e4c368b3cb4111
Link:
https://www.unpac.me/results/bd4c2190-5c0c-44dd-85d2-24591b28c01b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b8c63fc9564/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
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Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

StormKitty

Executable exe 7b8c63fc9564c82db7c23fcf523fea4e7e69de4ef7dbc5c2b3bb06a7491b4f26

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/301303/

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