MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad57f899206fa651ac5845fc8d7dea622b7489308694620aaa8032ea23333b07. 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: 10


Intelligence 10 IOCs YARA 19 File information Comments

SHA256 hash: ad57f899206fa651ac5845fc8d7dea622b7489308694620aaa8032ea23333b07
SHA3-384 hash: cd510f1b94ecf1cc5c4223a74e5ec39a863cbb39a41a999137243451f48018cf035020356740908d65a1038fb80513ca
SHA1 hash: a8c343726bdf49ffc76a6054c49fd6caa4898b61
MD5 hash: 51233f29743233840011286182b9887b
humanhash: cat-double-nineteen-thirteen
File name:ad57f899206fa651ac5845fc8d7dea622b7489308694620aaa8032ea23333b07
Download: download sample
Signature Formbook
File size:252'416 bytes
First seen:2024-02-06 12:22:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:A8YuDFgEJxHfU+uUBl91u24PRl59asU6kqEpXQu5rce4GgrQ9PgVr7O6oJoh9XE+:VFgEJxHfp7v189FU6kZ5rj4r+IhHUAx
TLSH T1133422A70D517334EAD9773124A6939A58EC4B7A6BD70F2E87120E0EB9D5C8407B438F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-02-06 06:58:00 UTC
File Type:
PE (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
0d87b22abdc0babdd49695c91b1d540303591e22d1f35359f09150ccd3fbe9c5
MD5 hash:
35bdbcedf103ff44c3f5676d2430b520
SHA1 hash:
cd128aa95fd667bc8af97d8d66541a5606d9deb6
SH256 hash:
ad57f899206fa651ac5845fc8d7dea622b7489308694620aaa8032ea23333b07
MD5 hash:
51233f29743233840011286182b9887b
SHA1 hash:
a8c343726bdf49ffc76a6054c49fd6caa4898b61
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments