MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7249d67d49a862e577120d3125e33566c61241969b4f48d701de97a5fe0abc04. 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 1 File information Comments

SHA256 hash: 7249d67d49a862e577120d3125e33566c61241969b4f48d701de97a5fe0abc04
SHA3-384 hash: ca3587b142d9abd23847a8a20d77e52b70df5383a65d9265c8a8442ff79626c7625c2b8873acaad6cac7c4b9f31e21e6
SHA1 hash: 59c3a8c1014adcea29cd83480e4e5168f8b6ab3b
MD5 hash: 98bea37f0a2af4ef402f7d126ffae77c
humanhash: winner-social-fix-october
File name:fvbgr12345.exe
Download: download sample
Signature Formbook
File size:259'772 bytes
First seen:2021-10-01 17:16:07 UTC
Last seen:2021-10-01 18:10:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBsaI3jaJ4rB6bf7sDkoysjPClxFaaroot:/aIm6rmoysj6lXaSTt
Threatray 9'820 similar samples on MalwareBazaar
TLSH T1DC44121362E18AFBE572E6315EF7BF17F73EE1482451390F07E91E6E591260E4D0A0A2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fvbgr12345.exe
Verdict:
Malicious activity
Analysis date:
2021-10-01 17:24:58 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 495256 Sample: fvbgr12345.exe Startdate: 01/10/2021 Architecture: WINDOWS Score: 100 34 www.beatthebank.fund 2->34 36 parking.namesilo.com 2->36 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 4 other signatures 2->58 12 fvbgr12345.exe 17 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\frdybz.dll, PE32 12->32 dropped 70 Detected unpacking (changes PE section rights) 12->70 72 Tries to detect virtualization through RDTSC time measurements 12->72 74 Injects a PE file into a foreign processes 12->74 16 fvbgr12345.exe 12->16         started        signatures6 process7 signatures8 44 Modifies the context of a thread in another process (thread injection) 16->44 46 Maps a DLL or memory area into another process 16->46 48 Sample uses process hollowing technique 16->48 50 Queues an APC in another process (thread injection) 16->50 19 explorer.exe 16->19 injected process9 dnsIp10 38 www.yunjiuhuo.com 19->38 40 www.skillsbazar.com 19->40 42 2 other IPs or domains 19->42 60 System process connects to network (likely due to code injection or exploit) 19->60 23 control.exe 19->23         started        signatures11 process12 signatures13 62 Self deletion via cmd delete 23->62 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 68 Tries to detect virtualization through RDTSC time measurements 23->68 26 cmd.exe 1 23->26         started        process14 process15 28 conhost.exe 26->28         started        process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-01 15:04:44 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:rv9n rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.cjspizza.net/rv9n/
Unpacked files
SH256 hash:
481ab354c4d374860007496d79ec1ae934668a3286f937fc7c94ee51f86bc704
MD5 hash:
80f04ee6bd3616a113c9af8e1b140e32
SHA1 hash:
2d5e82ac557faf5f5b411b429187f3bbeaf1d66c
SH256 hash:
7249d67d49a862e577120d3125e33566c61241969b4f48d701de97a5fe0abc04
MD5 hash:
98bea37f0a2af4ef402f7d126ffae77c
SHA1 hash:
59c3a8c1014adcea29cd83480e4e5168f8b6ab3b
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Comments