MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1aa4ffcbf7f690cee6060e9167c395bffe594858bfcc2bdd772a0edf4a23721. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: f1aa4ffcbf7f690cee6060e9167c395bffe594858bfcc2bdd772a0edf4a23721
SHA3-384 hash: 835df7f2d488c684440c7ae363390cd0125b192c5bbd56ce334643b0df41665a0c817486b687bb8b8edec1002340e6d5
SHA1 hash: e649adcfb18298cd0f2ebec356b4d0242e0ce3e9
MD5 hash: 37438184a62b3254cee88cc3cf31ec85
humanhash: fourteen-avocado-alaska-oscar
File name:own.exe
Download: download sample
Signature Formbook
File size:401'408 bytes
First seen:2020-08-05 07:35:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:v05BOkd8pDXJv00FI4iZDbR9Vz2ds+lvkfK:vaBgpDXJslZDdrz2j
Threatray 5'126 similar samples on MalwareBazaar
TLSH 3784E00C36A0954AF17E1E3F5D311193DE26F81FEA22D24B69752178097E68CBCB0FA1
Reporter JAMESWT_WT
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-08-05 07:37:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe f1aa4ffcbf7f690cee6060e9167c395bffe594858bfcc2bdd772a0edf4a23721

(this sample)

  
Delivery method
Distributed via web download

Comments