MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e65c009e0590869d174488fdd7ef00ac7cdac8aa047e7bafec28375fe020df18. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e65c009e0590869d174488fdd7ef00ac7cdac8aa047e7bafec28375fe020df18
SHA3-384 hash: bcf4ba80240444806cc3f6e2876b65288be9963bcaf4a73e41396fecff55007101d724c5be2f7829261ae4a757c2b8e6
SHA1 hash: dfdceb850e0afd626984c81e6cddda03aae9ee25
MD5 hash: c10a83b27005e18e8b9a9852fb907c55
humanhash: oxygen-potato-jig-papa
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'210'880 bytes
First seen:2020-10-27 12:28:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/eaeUZhXmDLtw55gBbR38Wn1iQunhC/QtciUisRC6qLrx0Z5GNS5Luf7DXHVQeh5:rXmHa5ulwFyQtdwJ/GNS5LhuweUA
Threatray 2'816 similar samples on MalwareBazaar
TLSH 3F45A5AD725072EFC457C972DEA81C68EBA0787B831B8253B05315EDAA0D997CF150F2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: unolar.com.br
Sending IP: 193.142.59.117
From: atendimento@unolar.com.br
Reply-To: atendimento@unolar.com.br
Subject: Bor Quote/ New price
Attachment: Quotation and New price.img (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79865/
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/513491
Signature
.NET source code contains potential unpacker
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305872 Sample: Quotation.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 10 Quotation.exe 3 2->10         started        process3 signatures4 49 Detected unpacking (changes PE section rights) 10->49 51 Detected unpacking (overwrites its own PE header) 10->51 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 13 Quotation.exe 10->13         started        process5 signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process7 dnsIp8 27 maskinbilling.com 103.86.177.235, 49766, 80 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 16->27 29 www.savageenterprizezllc.com 216.239.32.21, 49761, 80 GOOGLEUS United States 16->29 31 4 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 ipconfig.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e65c009e0590869d174488fdd7ef00ac7cdac8aa047e7bafec28375fe020df18/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 02:16:03 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zoabhqfscdj2f2erd65p3yavr6nvsfkar7hxl7mfa3v7yba34ma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
+ 2'806 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201027-4x4nft5y7s/
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.savageenterprizezllc.com/emn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e65c009e0590869d174488fdd7ef00ac7cdac8aa047e7bafec28375fe020df18

File information

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

Malspam

Formbook

img 27bd28adbedb804f1473f71e557094cba4928e6f7fd5430b6ac63dcf0e705657

Formbook

Executable exe e65c009e0590869d174488fdd7ef00ac7cdac8aa047e7bafec28375fe020df18

(this sample)

  
Dropped by
MD5 29ad0fe17af3a3c11a1a280ab91f5c8c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 27bd28adbedb804f1473f71e557094cba4928e6f7fd5430b6ac63dcf0e705657
Cape
Cape
https://www.capesandbox.com/analysis/79865/

Comments