MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59b298046b7092f498220a974fd2bc753ea6d926dfc6eaa70394d9096c2a7900. 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


Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59b298046b7092f498220a974fd2bc753ea6d926dfc6eaa70394d9096c2a7900
SHA3-384 hash: abf9dd1b6364e39502ea06bfc4be0e89add9cf567fd8a6f9296a7932f98168361e4d10dd5d3ab2f4e8b833b8e2ac52a5
SHA1 hash: 5613f877fa8b0653b209d5c3682146f53361e6a3
MD5 hash: e3832d8831e09bdc05924d8b4d188c33
humanhash: artist-kitten-diet-leopard
File name:59.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:318'976 bytes
First seen:2022-10-24 12:31:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:hE4/f0+xCbnpEDmiEsxRYT6AhdUzDQGKfe4koN+BS0Xknbyhyac8lN:hEWmGbYT6AUz03kocA0nUacm
Threatray 3'476 similar samples on MalwareBazaar
TLSH T15B6412BC21AEB25EE1A532788D9FFF9E16F200532156C193E45E1B9B6816BC11E4037F
TrID 63.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 70e8f0f0f0f0f030 (4 x Formbook, 4 x StormKitty)
Reporter 0x746f6d6669
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
59.exe
Verdict:
No threats detected
Analysis date:
2022-10-24 12:39:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/330dfb30-a4b4-44ad-89a8-70e9f11afbba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
StormKitty
Create hunting rule
Link:
https://www.capesandbox.com/analysis/323403/
Detection(s):
Win.Packed.Bulz-9769773-0
Create hunting rule

Win.Packed.Bulz-9769834-0
Create hunting rule

Win.Malware.Bulz-9778250-0
Create hunting rule

PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the process to change network settings
Searching for synchronization primitives
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Running batch commands
Creating a window
Launching a process
Stealing user critical data
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2249dc7c-a335-4900-85bf-3d52ca6cc6dd
Result
Threat name:
AveMaria, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096725
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected VMProtect packer
Found many strings related to Crypto-Wallets (likely being stolen)
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 Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
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 WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Yara detected AveMaria stealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 729363 Sample: 59.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 11 other signatures 2->56 7 59.exe 14 122 2->7         started        12 msiexec.exe 2->12         started        process3 dnsIp4 44 132.41.2.0.in-addr.arpa 7->44 46 ip-api.com 208.95.112.1, 49707, 80 TUT-ASUS United States 7->46 48 4 other IPs or domains 7->48 40 C:\Users\user\Desktop\DotNetZip.dll, PE32 7->40 dropped 42 C:\Users\user\Desktop\AnonFileApi.dll, PE32 7->42 dropped 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->58 60 May check the online IP address of the machine 7->60 62 Tries to steal Mail credentials (via file / registry access) 7->62 64 3 other signatures 7->64 14 cmd.exe 1 7->14         started        17 WerFault.exe 20 9 7->17         started        20 cmd.exe 1 7->20         started        22 WerFault.exe 7->22         started        file5 signatures6 process7 file8 66 Uses netsh to modify the Windows network and firewall settings 14->66 68 Tries to harvest and steal WLAN passwords 14->68 24 netsh.exe 3 14->24         started        26 conhost.exe 14->26         started        28 findstr.exe 1 14->28         started        30 chcp.com 1 14->30         started        38 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->38 dropped 32 netsh.exe 3 20->32         started        34 conhost.exe 20->34         started        36 chcp.com 1 20->36         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/59b298046b7092f498220a974fd2bc753ea6d926dfc6eaa70394d9096c2a7900/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 02:02:16 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
10
AV detection:
30 of 41 (73.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgzjqbdlocjpjgbcbklu7uv4ou7knwjg37dovjydstmqs3bkpeaa._file
Verdict:
malicious
Similar samples:
27b55c8a94eb835f7ef194183f088415ac4e75348609465a1393043ab6161631
Formbook
2da5d10cdba79d8a8153eaf7ab3d4aad3afaf14c6d9098f7720858c61910948c
Formbook
31f592fe907e40b27c458ccdfc613b212623f93a5a57c063f15cf2dcce9c93c6
Formbook
3d2bd69871c0a443d1e4c2a5ec37833dbcbce929aba368745f10d7b981a5264c
Formbook
52fae1ba28593ce0478042ee499f02333c1b671971c619bf7528a50ac051625a
Formbook
63c4e17fa9b6d87a9f4b68b854cae50e95f8de2a86929fecb8f34af0d15798e7
Formbook
8e8caa79da5237c8973fa2490bfd316a5001e5ed3a5175c9f7d5d2f84cd009f7
Formbook
973c9fe636b25a342857b8cc93d9631d45c6be479176f9df58db8bfc72cbbbca
Formbook
989f403c14fe2ab86cb51cb4232ed7a3fc8f623ad8025e674acfa3bf45a0d917
Formbook
+ 3'466 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:stormkitty collection spyware stealer vmprotect
Link:
https://tria.ge/reports/221024-pqlqksgeb6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Looks up geolocation information via web service
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Downloads MZ/PE file
VMProtect packed file
StormKitty
StormKitty payload
Unpacked files
SH256 hash:
59b298046b7092f498220a974fd2bc753ea6d926dfc6eaa70394d9096c2a7900
MD5 hash:
e3832d8831e09bdc05924d8b4d188c33
SHA1 hash:
5613f877fa8b0653b209d5c3682146f53361e6a3
Link:
https://www.unpac.me/results/bf55ecec-22c4-4091-a57d-7693f39d3802/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/59b298046b7092f498220a974fd2bc753ea6d926dfc6eaa70394d9096c2a7900

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:HKTL_NET_GUID_StormKitty
Create hunting rule
Author:Arnim Rupp
Description:Detects c# red/black-team tools via typelibguid
Reference:https://github.com/LimerBoy/StormKitty
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/323403/

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