MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 452d42cbe3b01ab9afd5799a25d153b0f427a383b97c28d4bf4e1830c501ab8c. 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: 11
| SHA256 hash: | 452d42cbe3b01ab9afd5799a25d153b0f427a383b97c28d4bf4e1830c501ab8c |
|---|---|
| SHA3-384 hash: | 2f6f1d7575a43a2e709156e54eb7dda0d1e477c015bca4106f3d1fb1050652b809b6182f10f62aaccf5607b0e62fa091 |
| SHA1 hash: | 4b139b382ec201890ccc9e42d4f265aef356566a |
| MD5 hash: | e4687da7a496e25629029cc28e95d9fc |
| humanhash: | bakerloo-missouri-skylark-edward |
| File name: | Booking Confirmation _xslx.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 348'433 bytes |
| First seen: | 2022-03-14 09:00:02 UTC |
| Last seen: | 2022-03-14 11:22:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 6144:rGiFMaUrArE8RyXDNcr4Fk0jhnWYvLJLyF4RoQwGAn2LRG8D:OYkz5C0jCyV42LRv |
| Threatray | 14'001 similar samples on MalwareBazaar |
| TLSH | T14474125EA2D19CDBC9E205729AFAEFF1E2FB829210E50C0A47641F092BB5747435C3D6 |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a custom TCP request
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-14 09:00:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 27 (77.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'991 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:an52 rat spyware stealer suricata trojan
Behaviour
Gathers network information
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
452d42cbe3b01ab9afd5799a25d153b0f427a383b97c28d4bf4e1830c501ab8c
MD5 hash:
e4687da7a496e25629029cc28e95d9fc
SHA1 hash:
4b139b382ec201890ccc9e42d4f265aef356566a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
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: | malware_Formbook_strings |
|---|---|
| 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: | Detects win.formbook. |
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.