MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a
SHA3-384 hash: 6c7a278ff0a3f2251915cfc2df00be7f3420860db55347abd9f9aaeef35c256456f515b365393208f2c53e56149bfa71
SHA1 hash: a8879f81f8547d46930f0cd4ce338cf8af54232e
MD5 hash: 47607a1861b00bcf044d136eadee4ab9
humanhash: maryland-xray-skylark-table
File name:PO No. 27485758.exe
Download: download sample
Signature StormKitty
Create hunting rule
File size:233'984 bytes
First seen:2022-09-08 12:32:55 UTC
Last seen:2022-09-09 09:52:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:x+T6gqPPIvuvHQFpaIYkKEPIFJzE17vtx:n59HsaIYkb
Threatray 800 similar samples on MalwareBazaar
TLSH T1FC34FFC05148B8EAD1572A706C3BEEB1052FBFF9232095083A0777679973E56266FC4E
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 95951126d64e0719 (8 x AgentTesla, 6 x StormKitty, 4 x Formbook)
Reporter lowmal3
Tags:exe StormKitty

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO No. 27485758.exe
Verdict:
Suspicious activity
Analysis date:
2022-09-08 12:33:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/64e2d8cb-6d7d-435c-8ccb-79387eb671f3

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/308774/
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 window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm packed
Link:
https://www.filescan.io/uploads/6319e105a90642bcbbef6c5c/reports/00affa77-aef7-495f-87cb-6ffd7e80ddee/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/bb45ca7c-2e39-4717-82e1-2f14ea8b2e02
Result
Threat name:
AsyncRAT, BluStealer, SpyEx, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067110
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
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)
Yara detected AsyncRAT
Yara detected BluStealer
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Generic Dropper
Yara detected MSILDownloaderGeneric
Yara detected SpyEx stealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 699642 Sample: PO No. 27485758.exe Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected BluStealer 2->50 52 12 other signatures 2->52 7 PO No. 27485758.exe 16 7 2->7         started        12 Wjrrcyaf.exe 14 3 2->12         started        14 Wjrrcyaf.exe 2->14         started        process3 dnsIp4 40 cdn.discordapp.com 162.159.130.233, 443, 49709, 49733 CLOUDFLARENETUS United States 7->40 30 C:\Users\user\AppData\...\Wjrrcyaf.exe, PE32 7->30 dropped 32 C:\Users\...\Wjrrcyaf.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\...\PO No. 27485758.exe.log, ASCII 7->34 dropped 62 Encrypted powershell cmdline option found 7->62 64 Injects a PE file into a foreign processes 7->64 16 PO No. 27485758.exe 1 7->16         started        18 powershell.exe 16 7->18         started        42 162.159.134.233, 443, 49732 CLOUDFLARENETUS United States 12->42 44 192.168.2.1 unknown unknown 12->44 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 20 powershell.exe 12->20         started        file5 signatures6 process7 process8 22 AppLaunch.exe 14 3 16->22         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        dnsIp9 36 icanhazip.com 104.18.114.97, 49723, 80 CLOUDFLARENETUS United States 22->36 38 163.190.5.0.in-addr.arpa 22->38 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->54 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->56 58 May check the online IP address of the machine 22->58 60 2 other signatures 22->60 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-09-08 10:03:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hptjoufwj6d6dc6nnv3z7pevchyx4v5yy5zy3e3u4jrpwn376vva._file
Verdict:
malicious
Similar samples:
1a08f4d1ae49bdf31dd619d68869091c84037c093977b40c28aa7863e458f53f
StormKitty
21bf3627b1e2a400d46ed681b6791b43b13a3f62615b74c3bdaeef402b11bf81
StormKitty
458787a4edcc3d5b67ad7cbe721addd3879872d25c90f9399984e02a9038b9c1
StormKitty
643dca310ffa930db9dca8d6690c841d0ec0ab75913646756ebeb1bf2de82584
StormKitty
88b00afd2b4f33893e8ca2dfb3a40cfa15d990d731cb1b15617a8f606b5672d0
StormKitty
8feeb31be2e79fc5c6ddd489dcbfe708c8890f107e32c788ec1b7842feead9d4
StormKitty
91be6258668b873244ec00091e663437dbb0967ee31406538376560de2b9a0e2
StormKitty
f333b87b79d0fbf142976bb401a082f189b00c49e65a3ad7b1ed5b8f33320ba0
StormKitty
fec981d9e6f439dd72ab681e144d5da1302b20bcf45ca98ee15bf029eab135bd
StormKitty
+ 790 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection discovery persistence stealer
Link:
https://tria.ge/reports/220908-pq7caabgbn/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a
MD5 hash:
47607a1861b00bcf044d136eadee4ab9
SHA1 hash:
a8879f81f8547d46930f0cd4ce338cf8af54232e
Link:
https://www.unpac.me/results/8f17c6cf-c169-49eb-bc27-97790dba869d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3be69750b64f/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/3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a

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
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
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 3be69750b64f87e18bcd6d779fbc9511f17e57b8c7738d9374e262fb377ff56a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308774/

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