MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd
SHA3-384 hash: 36a677ac69fd9212c28d38aa575bbcf7522d19d5bb2b1617373f0e369b10c857baf735cf2b4303ef4f7921f6c3515c1b
SHA1 hash: d219878884c807fc48a1b9ab1f359d4dccf6d4a8
MD5 hash: 7fe7d5cb5f187fdb9af15553e21564e7
humanhash: berlin-crazy-nine-alaska
File name:a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd
Download: download sample
Signature Formbook
File size:185'856 bytes
First seen:2023-02-13 07:06:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:xhUGkDYGoZlE713FCjBl4rjBUQPMGAruJV8DE1j5qntnETX6:/CZF8BmrjBUQsMOAR5khETX
TLSH T15D04AE36D642C031F2B211B5F6BD1B7B883D0E353355A4EAE3E126E06EE45A5B42931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd
Verdict:
No threats detected
Analysis date:
2023-02-13 07:33:38 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
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
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
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:
2023-02-13 07:08:06 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ga23 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd
MD5 hash:
7fe7d5cb5f187fdb9af15553e21564e7
SHA1 hash:
d219878884c807fc48a1b9ab1f359d4dccf6d4a8
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 a7c74a43e1521ed01621bfe4d28e223f87a9e2999c8c5f8103a5c71ab93945bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments