MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d. 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


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d
SHA3-384 hash: e2bc56d4e3ee2266c48d92a225ad0100ff5dcb55a11a4edfa5784cf51d5488b85030c41fafeb4f02a1e581a461665bf6
SHA1 hash: 4eaa61f0121db85f1dbf0b89e18915a72dedbc88
MD5 hash: 93a0b886c7da35e875f40f67ce8681a3
humanhash: victor-orange-kilo-alpha
File name:3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d
Download: download sample
Signature Formbook
File size:186'368 bytes
First seen:2023-04-20 10:15:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:k8QnUQwBFKRujtBxb7ZMcR0j2Mg8GYFsh9h2mQlufoRR84gHy0QtHnqkQ:QNFuHl7ZMcujzK9CufoRVgS0SHc
Threatray 2'745 similar samples on MalwareBazaar
TLSH T1F604AE32D602C071E2B251B5F67C1B7B883E0E343694A4FAE3E115A16EF4995F52A31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d
Verdict:
No threats detected
Analysis date:
2023-04-20 10:18:59 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-04-20 10:16:12 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cs19 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d
MD5 hash:
93a0b886c7da35e875f40f67ce8681a3
SHA1 hash:
4eaa61f0121db85f1dbf0b89e18915a72dedbc88
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
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

Formbook

Executable exe 3481e03e601740b1e2c8643db90e35541dd2c76c24806ddcc47c5b1c7ea60e2d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments