MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb21cc57575d446faff8bcc00b2b0daad05a96f9c052a8e086882e5e498a436c. 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: 16
| SHA256 hash: | fb21cc57575d446faff8bcc00b2b0daad05a96f9c052a8e086882e5e498a436c |
|---|---|
| SHA3-384 hash: | dee7400a52d176cb76f035bbad0ecf9790e13b6e2fb85dcfad23673bcd925d8b5f1385932b26acb55cd55f1579357b2b |
| SHA1 hash: | 6da9e6c9648d3f5de49978c19cdf378783e8e69c |
| MD5 hash: | d49a550bec161f460c3146b8e97b1d69 |
| humanhash: | hydrogen-paris-enemy-montana |
| File name: | fb21cc57575d446faff8bcc00b2b0daad05a96f9c052a8e086882e5e498a436c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 185'856 bytes |
| First seen: | 2024-02-27 11:43:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:IMuck0YCUzDPZ2JezlZP56s8O2CZX7kl6z2p8zA8wxQkxIz+jk:J+QUr56s8O2yO6zEzQkxrj |
| Threatray | 874 similar samples on MalwareBazaar |
| TLSH | T1F6049E32D641C031E2B211B4F67D1B7B4C3E0E353295A4EAA7E116E06FE09E9B56931F |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
314
Origin country :
HUVendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
10/10
Confidence:
75%
Tags:
config-extracted formbook formbook packed
Verdict:
Malicious
Labled as:
Trojan.Generic
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-02-27 12:26:02 UTC
AV detection:
23 of 24 (95.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 864 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:cz30 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
fb21cc57575d446faff8bcc00b2b0daad05a96f9c052a8e086882e5e498a436c
MD5 hash:
d49a550bec161f460c3146b8e97b1d69
SHA1 hash:
6da9e6c9648d3f5de49978c19cdf378783e8e69c
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
Formbook
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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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