MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09511e435cecfcef22c464934ee3ff23cc4e3b3077584ae38d9672dbc08428aa. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 09511e435cecfcef22c464934ee3ff23cc4e3b3077584ae38d9672dbc08428aa
SHA3-384 hash: ff4d3f8b2a3fded146d583aab13ad479de7b4325a963391959014e5376f9ef6e8ed545d8ba6ab404503e8a7fafe7feee
SHA1 hash: 35cb3847fa4adbc053aad57a5b8e7d9079adaf32
MD5 hash: d540568a6e118a2ddc8a2f7da1d87f65
humanhash: oranges-hydrogen-avocado-lactose
File name:d540568a6e118a2ddc8a2f7da1d87f65.exe
Download: download sample
Signature Formbook
File size:47'104 bytes
First seen:2022-06-16 07:11:06 UTC
Last seen:2022-07-15 03:15:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 768:4TKQ3fqCSGQRrzIr4fOKDddZTbs9q/Z8tQ4u9Nf7oSFYwQjXvLWRgcL0ST8iNxy/:VQvqJGQhzDmKddZTbs98Z8Buf97QWRgN
TLSH T18D23AF27B66C8924D2734B7FD597AE0037B8E9529813D72E784B134B2D333B6C805B96
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook payload URL:
http://toesbv.ga/d/Snrqziift_Zuboqiwp.bmp

Intelligence


File Origin
# of uploads :
4
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646819 Sample: WUGr3eGW8u.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 48 www.chungketvinhomesspotlight.com 2->48 50 chungketvinhomesspotlight.com 2->50 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 10 other signatures 2->76 11 WUGr3eGW8u.exe 15 7 2->11         started        signatures3 process4 dnsIp5 52 toesbv.ga 192.185.174.189, 49859, 80 UNIFIEDLAYER-AS-1US United States 11->52 42 C:\Users\user\AppData\Roaming\...\Okylqf.exe, PE32 11->42 dropped 44 C:\Users\user\...\Okylqf.exe:Zone.Identifier, ASCII 11->44 dropped 46 C:\Users\user\AppData\...\WUGr3eGW8u.exe.log, ASCII 11->46 dropped 78 Creates an undocumented autostart registry key 11->78 80 Writes to foreign memory regions 11->80 82 Injects a PE file into a foreign processes 11->82 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 cmd.exe 1 11->21         started        23 powershell.exe 15 11->23         started        file6 signatures7 process8 signatures9 54 Modifies the context of a thread in another process (thread injection) 16->54 56 Maps a DLL or memory area into another process 16->56 58 Sample uses process hollowing technique 16->58 60 Queues an APC in another process (thread injection) 16->60 25 explorer.exe 16->25 injected 62 Tries to detect virtualization through RDTSC time measurements 19->62 27 conhost.exe 21->27         started        29 timeout.exe 1 21->29         started        31 conhost.exe 23->31         started        process10 process11 33 WWAHost.exe 25->33         started        signatures12 64 Modifies the context of a thread in another process (thread injection) 33->64 66 Maps a DLL or memory area into another process 33->66 68 Tries to detect virtualization through RDTSC time measurements 33->68 36 cmd.exe 1 33->36         started        38 explorer.exe 2 155 33->38         started        process13 process14 40 conhost.exe 36->40         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2022-06-16 07:12:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
09511e435cecfcef22c464934ee3ff23cc4e3b3077584ae38d9672dbc08428aa
MD5 hash:
d540568a6e118a2ddc8a2f7da1d87f65
SHA1 hash:
35cb3847fa4adbc053aad57a5b8e7d9079adaf32
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.

Web download

Formbook

Executable exe 09511e435cecfcef22c464934ee3ff23cc4e3b3077584ae38d9672dbc08428aa

(this sample)

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