MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75
SHA3-384 hash: 79e3155d1783695a8ded2511e799a4744c8326a3e44b3e2d76ee3391443ebe1c2cc0abb48988a61ed80d7e2950ece8e3
SHA1 hash: b26c353e3dfdc4f8423e8df6ec7134f34cd2cee1
MD5 hash: 372f3141f5bbca51025428b7d5544b2d
humanhash: equal-cardinal-batman-ceiling
File name:STdCUUIWc6ThD1c.exe
Download: download sample
Signature FormBook
File size:439'296 bytes
First seen:2020-07-07 09:43:41 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 6144:2bb7S8G7i+n3HAApBz+HVlLyUgVhUhpRwhgJT9eUvp1Vy8eADwU:2HujPn3VktTwaTcUvp1J
Threatray 5'256 similar samples on MalwareBazaar
TLSH A894BEF2D145ADDAEA6E0AB8D82945400DEB2C6F95F0E34D78CE718A53B370250A7D37
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Reading critical registry keys
Possible injection to a system process
Enabling autorun with Startup directory
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-07 09:45:13 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence spyware evasion trojan stealer family:formbook
Behaviour
System policy modification
Modifies Internet Explorer settings
Creates scheduled task(s)
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds Run entry to policy start application
Formbook
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

FormBook

Executable exe 7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments