MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa
SHA3-384 hash: 076fe95199a768226993951f2660ea54b17665dd3137aabe89567281c735140c03d7a6a60cf0695b1ec46152c44f6f59
SHA1 hash: 9584f5dd645fb1367de3a046cd819692b412f37a
MD5 hash: 63a7452dd99f28c47b4dcd821d219672
humanhash: mango-enemy-triple-texas
File name:Approved July Order_PDF.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:387'072 bytes
First seen:2020-07-07 13:21:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:dP37v2uMe62GVyY+OFpXfuhgAuXKcR8Zre4de4EbNd1lHLuq04ZGdXv6:Zv21e62Ej+8ZSqKTDM5bNrxLH044F
Threatray 5'074 similar samples on MalwareBazaar
TLSH 2884F1406DF8972BCDB98FF1A6A1AA8D43B530651061ED5D8ED238CF1961F04DA08BF7
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22304/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Enabling the 'hidden' option for analyzed file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 02:02:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjqypxkgpprczpj6vnuapu3iyn2tlreiv4reijeyii62qespgx5a._file
Verdict:
malicious
Similar samples:
14bbd0cd681c1501f814ac5e7a4dc9b627bf410990edc77cf10ada83cd106d94
FormBook
172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
FormBook
179043e8eb7c06144c67f58b2c2900ad10303862c0e5cd7e1fe5a4faf853f103
FormBook
20e1306537cb762d25eccee8ebc9afe0a1356f02090346a1686a4472b55b127e
FormBook
25e2619309515f2a7953682e8d4ea6d13b9c7030159aefbb8521d4316a58c19d
FormBook
27cbd2139f326adf45adefa425f7295af578ac5d9ecceab36da74c5af53def1f
FormBook
5620eaea502dcc3bc31e10dc48478022f518a15956a4b6565c454dd062859eff
FormBook
6023812166224ffe7f3ff3efacddccd27c4ae1f09aa2dc9e2f5c8557d6bb4382
FormBook
8c55df1fdc1ac49e2c0a3b5b77bd044d842d2f6e38bd5f782d93853a560140fb
FormBook
9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144
FormBook
+ 5'064 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200707-3xd4bk2p5j/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run entry to start application
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Formbook
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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/22304/

Comments