MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d76bb689a401094eee47a075368224161d261665c2b285b155d1b7833ba4fbaa. 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: 7
| SHA256 hash: | d76bb689a401094eee47a075368224161d261665c2b285b155d1b7833ba4fbaa |
|---|---|
| SHA3-384 hash: | 4a81154371a2a7a31a4467e18f58b94df53db950aa4083e8b54e7aa05b0416ce76ab238e1bfba3db754b4507f0236070 |
| SHA1 hash: | 83ce7c55e750880c0ef16567bfe017aa28ba3b14 |
| MD5 hash: | 2f7ba4389cda2fda6b04c239b26ef587 |
| humanhash: | idaho-wyoming-aspen-low |
| File name: | oOT3aykttE5iZZq.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 630'784 bytes |
| First seen: | 2020-07-09 12:12:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 6144:5aku/ufstR4vaOTpTmDulCmhL9J0l68iGzEk3CKPaovPYuwTNYv8RUDmFI7wbvbq:UmOEacTaulCSRO6qCKCyPDwTNCwb35Y |
| Threatray | 5'115 similar samples on MalwareBazaar |
| TLSH | E2D428B3E31CC8E2DDA111F4510E8EA70E607F9FA0E4A2C819EDB17BD778661E1D4496 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
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 the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Forced shutdown of 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.Kryptik
Status:
Malicious
First seen:
2020-07-09 02:50:48 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
netwirerc
Similar samples:
+ 5'105 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
persistence spyware trojan stealer family:formbook
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
System policy modification
Modifies Internet Explorer settings
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
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
Delivery method
Distributed via e-mail attachment
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