MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa
SHA3-384 hash: 3d0fdb7ef273d438dad894d1f17dbeb4e61772e1860730949e3ecaf63f4f714a5ef5d23aed71d27cafd98a6d76f6cacc
SHA1 hash: 4dac9c2e6069f1007fab5f25e1f69be3310f6152
MD5 hash: eca5a273c2fd8d32e35a4af273064d5c
humanhash: kansas-lithium-fix-diet
File name:Halkbank,doc.exe
Download: download sample
Signature StormKitty
Create hunting rule
File size:107'008 bytes
First seen:2022-10-27 11:36:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:R1otmQi3h2Ovt0Yo++vw/18AyMMK4MIyp:R2twxOYo+mwNJb4MIyp
Threatray 1'597 similar samples on MalwareBazaar
TLSH T1D6A3E8D2D54412F0FAB94F31927B5E59062FFF3AAC31FA1E9854B1626BB32C21126D07
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 69696949694d694b (2 x StormKitty, 1 x MassLogger, 1 x Formbook)
Reporter lowmal3
Tags:exe StormKitty

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank,doc.exe
Verdict:
No threats detected
Analysis date:
2022-10-27 11:38:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5905614b-431a-486f-8e93-06adcb8b7ace

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/324852/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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:
BluStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af2f4072-91b1-4b82-acb2-d885e6f0997e
Result
Threat name:
BluStealer, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1099236
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)
Snort IDS alert for network traffic
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 BluStealer
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731887 Sample: Halkbank,doc.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 7 other signatures 2->66 7 Halkbank,doc.exe 16 7 2->7         started        12 Onumby.exe 14 4 2->12         started        14 Onumby.exe 3 2->14         started        process3 dnsIp4 58 cdn.discordapp.com 162.159.130.233, 443, 49697, 49701 CLOUDFLARENETUS United States 7->58 46 C:\Users\user\AppData\Roaming\...\Onumby.exe, PE32 7->46 dropped 48 C:\Users\user\...\Onumby.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\...\Halkbank,doc.exe.log, ASCII 7->50 dropped 78 Encrypted powershell cmdline option found 7->78 80 Injects a PE file into a foreign processes 7->80 16 Halkbank,doc.exe 1 7->16         started        18 powershell.exe 16 7->18         started        20 Halkbank,doc.exe 7->20         started        22 Halkbank,doc.exe 7->22         started        82 Multi AV Scanner detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 24 Onumby.exe 12->24         started        26 powershell.exe 12->26         started        32 3 other processes 12->32 28 powershell.exe 14->28         started        30 Onumby.exe 14->30         started        file5 signatures6 process7 process8 34 AppLaunch.exe 14 3 16->34         started        38 conhost.exe 18->38         started        40 AppLaunch.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        dnsIp9 52 icanhazip.com 104.18.114.97, 49700, 80 CLOUDFLARENETUS United States 34->52 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 34->68 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 34->70 72 May check the online IP address of the machine 34->72 54 104.18.115.97, 49703, 80 CLOUDFLARENETUS United States 40->54 56 192.168.2.1 unknown unknown 40->56 74 Tries to steal Mail credentials (via file / registry access) 40->74 76 Tries to harvest and steal browser information (history, passwords, etc) 40->76 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 11:46:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5dwb43dent3opopircnmsaxmd6wozrwuki3m5mfdwclv3cvbhp5a._file
Verdict:
malicious
Similar samples:
02d7ab6afcf9f15fba169e0d8491499cf27a87fba17a3afd80bd6e5873a9338f
StormKitty
270daae1261a5456d3a85fdd050e3f7c7f55ed69015bcffc1a4e958e2816a513
StormKitty
4cb61e7c5bcb9bb42b09516ca92321e2a184a52eeed3274b850656f44d7b05ee
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730af6c6363a01ddc1fd49ecc3003c619e6e4c926d13539776fbc86c2c8b9d9d
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ddd2832de9b42fc2b5b4ad51c9db65d979fec3312aaed4b1a31aa439b0598569
StormKitty
f60fce8513f7e377cd397baa536a3d55fec6b106fcbd598117bb3c4fc41cdf04
StormKitty
+ 1'587 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection persistence stealer
Link:
https://tria.ge/reports/221027-nq5m1scadq/
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
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896
Unpacked files
SH256 hash:
e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa
MD5 hash:
eca5a273c2fd8d32e35a4af273064d5c
SHA1 hash:
4dac9c2e6069f1007fab5f25e1f69be3310f6152
Link:
https://www.unpac.me/results/eab6b62c-ff2a-4701-b718-06b573f177ce/
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/e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa

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 e8ec1e6c646cf6e7b9e8889ac902ec1facecc6d45236ceb0a3b0975d8aa13bfa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/324852/

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