MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350
SHA3-384 hash: b445ca421f7f4ee1b6cd2f8883b99c349ada8eb0bbe2369b1edc874113b758c25850d92bb25e241ef6ca4b6d0472f6a8
SHA1 hash: a7e8028e01889160fa420aebba9354c2bbd0f453
MD5 hash: 7f4acf67a1c57bde5b28f283de8a470d
humanhash: papa-delaware-william-triple
File name:lorfgt.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:846'848 bytes
First seen:2020-07-28 13:59:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Vmkzwuh8BSfN7Bv16pDBcpR/Ah2uaY1rN7yOzYNQ5KrFyNtoNnwEYqdbNRuq/3Kg:UYwutfN7BvQG/XuFp5hNtoEqd/5EP
Threatray 5'100 similar samples on MalwareBazaar
TLSH F0057C31B8428478D97E2278D4385FD2AABA3F253F04861EA3FB13485F5196B772611F
Reporter abuse_ch
Tags:exe Formboo FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: slot0.ilerpic.com
Sending IP: 104.168.176.234
From: jorgs@meise.com
Subject: MEDIZINTECHNIK SYSTEM REQUEST FOR QUOTATION 442439
Attachment: MEISE_GRP_LIST.xlsm

FormBook payload URL:
http://federict.ml/temp/lorfgt.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33748/
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Creating a file
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/400491
Signature
.NET source code contains very large array initializations
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 252595 Sample: lorfgt.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 68 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected FormBook 2->24 26 .NET source code contains very large array initializations 2->26 7 lorfgt.exe 4 2->7         started        10 wuapihost.exe 2->10         started        process3 file4 16 C:\Users\user\AppData\...\lorfgt.exe.log, ASCII 7->16 dropped 18 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->18 dropped 12 AddInProcess32.exe 7->12         started        process5 process6 14 WerFault.exe 23 9 12->14         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 14:01:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fithevfzsowaord77jxcbbos5e7w3l5dgtct6zorbhmsbawrynia._file
Verdict:
malicious
Similar samples:
141db63f511b843acf5d8a10f095333482850ed727da867bf39b83694b963ae6
Formbook
399b70d269ec0e84b66d7de2183866331bff3dd2eff8f32b851927d5944c963a
Formbook
4458df211fccf5c1d24b96ebb7b4191cc94edc0b0e13bbb80ae3919f015297d9
Formbook
49a63eb1c6fd5d4b22396bb8a8397c3bf124c3f94d104bc2a7a304f4457b4526
Formbook
6678b91ffc7bf3cd0b4624d6f8a3a500d666fd023e43d79727ddd29bd5a7ac19
Formbook
83ef26bdf4b6b513417a97c8997aa2152bc0fb0f0af9d0b30cf6a46d4959ce38
Formbook
8c2d2663a4c8cf961eb6e47123054f1dd40a7c23bf663762b0f0fc827b6b44f7
Formbook
9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
Formbook
dbdfc4a9100fa08d0bb6ca2879febbc5e0db4eca85168dfefb526b584976efaf
Formbook
e3a859708d3e54210dbd7aaf0a2a78e1a11e8e2b3dcd358f91c3aa5091b94bf0
Formbook
+ 5'090 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200728-zdkbxt1ps6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350

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

File information

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

Malspam

Formbook

Excel file xlsm b29a4e94a19a7a488a37054b74c86aa6e43830bd10c675ddbe80274aead159cc

Formbook

Executable exe 2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/420685/
  
Dropped by
MD5 c2dd16a774c71c8807e3b7da7018d356
  
Dropped by
SHA256 b29a4e94a19a7a488a37054b74c86aa6e43830bd10c675ddbe80274aead159cc
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/33748/

Comments