MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5143f152bfa6523c1bc4065f79cc8978ee22f309d67a0b583afb477b0a5f539c. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 5143f152bfa6523c1bc4065f79cc8978ee22f309d67a0b583afb477b0a5f539c
SHA3-384 hash: 4889d17aaf345e02f58d559af46865c4e137c32c26b51ccc04852f0afd15066aae5de6333014d20e57ed27dcf1fe36ef
SHA1 hash: 33056b2aae2bad24789d8f69005e59a8b13dd554
MD5 hash: 3a2f24b32b1cf7a53f63505daf4870c5
humanhash: single-seven-sixteen-island
File name:Pricelist.xls
Download: download sample
Signature Formbook
File size:61'440 bytes
First seen:2020-07-22 08:36:57 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:3k3hOdsylKlgryzc4bNhZFGzE+cL2knAzjpXic9S3PtyyyyyyyyyyyyyyyyyyyyO:3k3hOdsylKlgryzc4bNhZFGzE+cL2knW
TLSH 08532992F2C5DC25DD5887394CEB8A912632BD156F969387728AFB1E3F727C08A03117
Reporter abuse_ch
Tags:FormBook xls


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: te.telesquadapi.live
Sending IP: 45.95.171.56
From: Sales09 <diogo.ciasulli@curuca.org>
Reply-To: info@telesquadapi.live
Subject: QUOTATION & SAMPLES FOR REQUESTED ITEMS - URGENT
Attachment: Pricelist.xls

Formbook payload URL:
http://crogtrt.com/9/9511378.jpg

Intelligence


File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
DNS request
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Running batch commands by exploiting the app vulnerability
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249765 Sample: Pricelist.xls Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 11 other signatures 2->59 10 EXCEL.EXE 187 50 2->10         started        13 pcalua.exe 1 1 2->13         started        15 pcalua.exe 1 2->15         started        process3 signatures4 65 Document exploit detected (process start blacklist hit) 10->65 17 cmd.exe 1 10->17         started        process5 signatures6 49 Suspicious powershell command line found 17->49 51 Tries to download and execute files (via powershell) 17->51 20 powershell.exe 15 19 17->20         started        25 conhost.exe 17->25         started        process7 dnsIp8 47 crogtrt.com 3.17.153.68, 49740, 80 AMAZON-02US United States 20->47 41 C:\Users\user\AppData\Local\Temp41ame.exe, PE32 20->41 dropped 63 Powershell drops PE file 20->63 27 Name.exe 6 20->27         started        file9 signatures10 process11 file12 43 C:\Users\user\chrom.exe, PE32 27->43 dropped 45 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 27->45 dropped 67 Antivirus detection for dropped file 27->67 69 Multi AV Scanner detection for dropped file 27->69 71 Machine Learning detection for dropped file 27->71 73 Drops PE files to the user root directory 27->73 31 chrom.exe 27->31         started        34 cmd.exe 1 27->34         started        signatures13 process14 signatures15 75 Antivirus detection for dropped file 31->75 77 Multi AV Scanner detection for dropped file 31->77 79 Machine Learning detection for dropped file 31->79 36 reg.exe 1 1 34->36         started        39 conhost.exe 34->39         started        process16 signatures17 61 Creates an autostart registry key pointing to binary in C:\Windows 36->61
Threat name:
Script-Macro.Downloader.Amphitryon
Status:
Malicious
First seen:
2020-07-22 08:38:09 UTC
AV detection:
26 of 48 (54.17%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Behaviour
Suspicious Office macro
Office macro that triggers on suspicious action
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:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information


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

Malspam

Formbook

Excel file xls 5143f152bfa6523c1bc4065f79cc8978ee22f309d67a0b583afb477b0a5f539c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments