MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9a00915df5440745c87c39c8c0bf5d0f9d67c9d4252f032ba0dff6fea1d0752. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: d9a00915df5440745c87c39c8c0bf5d0f9d67c9d4252f032ba0dff6fea1d0752
SHA3-384 hash: d285439ba6695daa3567290c44fa6ee5f05db6c454eaa2c8583c1b5b2f67b460c808f8560897e4c55d9b68428c5df2a4
SHA1 hash: a7a3f5b5fa75b917621f1a74f5d71f28e1b6c1e9
MD5 hash: e88b4af34c71b5f1bfdc3e4ba1d9a02d
humanhash: ten-chicken-burger-maryland
File name:SecuriteInfo.com.W32.AIDetectNet.01.32232.21835
Download: download sample
Signature Formbook
File size:41'984 bytes
First seen:2022-06-20 17:37:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:vAfKKrpgLihPuO9z0dz9Nf7oSFYwQjXvLWRgcL0ST8iNxy2c:vEKMzv10dzf97QWRgcL9HNxvc
TLSH T1E913B027B29F4A37D76607BE9D23E240077894628C1FA65E648075B36D23FB1CB61335
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 b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser 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 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649045 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 40 www.sellcardspgh.com 2->40 42 www.wanchuangjinfu.com 2->42 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 8 other signatures 2->60 11 SecuriteInfo.com.W32.AIDetectNet.01.32232.exe 15 7 2->11         started        signatures3 process4 dnsIp5 44 gen-l.tk 192.185.174.180, 49748, 80 UNIFIEDLAYER-AS-1US United States 11->44 34 C:\Users\user\AppData\...\Wbtykfgix.exe, PE32 11->34 dropped 36 C:\Users\...\Wbtykfgix.exe:Zone.Identifier, ASCII 11->36 dropped 38 SecuriteInfo.com.W...et.01.32232.exe.log, ASCII 11->38 dropped 68 Creates an undocumented autostart registry key 11->68 70 Writes to foreign memory regions 11->70 72 Injects a PE file into a foreign processes 11->72 16 MSBuild.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 2 other signatures 16->52 21 explorer.exe 16->21 injected 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started        process10 process11 27 control.exe 21->27         started        signatures12 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-06-20 15:45:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:yy48 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
d9a00915df5440745c87c39c8c0bf5d0f9d67c9d4252f032ba0dff6fea1d0752
MD5 hash:
e88b4af34c71b5f1bfdc3e4ba1d9a02d
SHA1 hash:
a7a3f5b5fa75b917621f1a74f5d71f28e1b6c1e9
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 d9a00915df5440745c87c39c8c0bf5d0f9d67c9d4252f032ba0dff6fea1d0752

(this sample)

  
Delivery method
Distributed via web download

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