MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84
SHA3-384 hash: 6d29b3e358fe5140d22a0c687d6ca291cab45fdae7435ce12e2ca918325c5ffe9cc8b305263c1197c7775c1364012f62
SHA1 hash: c340fc7bda21d040a96e0ad7f5d15cc959ef6851
MD5 hash: f9e662f0508e7e3df2bec6dc6ea46d06
humanhash: bluebird-spaghetti-bluebird-king
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:802'816 bytes
First seen:2020-10-28 07:52:16 UTC
Last seen:2020-10-28 09:53:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:myQVIohZ+SARmsiMgeRBka5X9QBGcrow:82+bsfgeRzNQQcrow
TLSH F3052B9C365072DED867C37ADAA91C6CEAA07877831B5207A41770ED990D987EF102F3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: bjcs01.serverproof.net
Sending IP: 180.76.192.144
From: buyingfh@fhtextile.com
Subject: Re: Order
Attachment: RFQ_10024811342.img (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80326/
Detection(s):
SecuriteInfo.com.Generic.mg.f9e662f0508e7e3d.26028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514671
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 306449 Sample: Quotation.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 33 www.progressaofinanceira.com 2->33 35 progressaofinanceira.com 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AntiVM_3 2->45 47 7 other signatures 2->47 11 Quotation.exe 3 2->11         started        signatures3 process4 signatures5 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 14 Quotation.exe 11->14         started        process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 14->17 injected process8 dnsIp9 29 www.tinz324.online 162.0.231.18, 49752, 80 NAMECHEAP-NETUS Canada 17->29 31 www.jdsauerbsan.com 64.225.35.154, 80 DIGITALOCEAN-ASNUS United States 17->31 39 System process connects to network (likely due to code injection or exploit) 17->39 21 svchost.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.jdsauerbsan.com 21->37 49 System process connects to network (likely due to code injection or exploit) 21->49 51 Modifies the context of a thread in another process (thread injection) 21->51 53 Maps a DLL or memory area into another process 21->53 55 Tries to detect virtualization through RDTSC time measurements 21->55 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 01:51:41 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ixhvcvutctnmsf3c4xa7ceweuzafsurz2vjxfhyqme7z6wkah2ca._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-6e1wxjgg1s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.progressaofinanceira.com/di4r/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

img 0e3c03f8480af5093fd9b3235ace3070d7e29d428a36a650c42185ec9e096c23

Formbook

Executable exe 45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84

(this sample)

  
Dropped by
MD5 cd47f9840d8610d8b748a4e0253c8847
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0e3c03f8480af5093fd9b3235ace3070d7e29d428a36a650c42185ec9e096c23
Cape
Cape
https://www.capesandbox.com/analysis/80326/

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