MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 583dbdbb8f6be59c138dfb514d21b93fa1cd139a1184309ee3962ecaaa0be3b8. 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 File information Comments

SHA256 hash: 583dbdbb8f6be59c138dfb514d21b93fa1cd139a1184309ee3962ecaaa0be3b8
SHA3-384 hash: 43ede611bcb7bc45a0396b34210f17daeb35f758180c39e107b38b8ac0f5ddf97fb3f64aac70dc08abd4e10a53aacf54
SHA1 hash: e9ed3840212331b0704e272db04d2d1c6ac609f2
MD5 hash: 8a599b6048abc1e05801054ed364e606
humanhash: zebra-thirteen-thirteen-johnny
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:1'206'272 bytes
First seen:2020-10-27 10:07:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:I0NYTuHsfUyaltp+b+KFontB1sCzlvbjlyLvpXrvSWTlIZzBn/7lY25lyj/VX9na:In/8NfW+4ItB1suvcrpBOxsdXxa
Threatray 2'851 similar samples on MalwareBazaar
TLSH EB45B5DD326072DFC45BC972CAA81C64EB907C7B931BC213A05725ADAA2D997CF150F2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: wooleunglee.com.hk
Sending IP: 156.96.60.139
From: sales@wooleunglee.com.hk
Subject: Re:Bulk Product Inquiries
Attachment: IMAGED RFQ agaisnt ENQ NO-E1503010.img (contains "Quotation.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 305723 Sample: Quotation.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 30 cdn.onenote.net 2->30 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected AntiVM_3 2->42 44 6 other signatures 2->44 11 Quotation.exe 3 2->11         started        signatures3 process4 signatures5 54 Detected unpacking (changes PE section rights) 11->54 56 Detected unpacking (overwrites its own PE header) 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 Quotation.exe 11->14         started        17 Quotation.exe 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.vt999bet.com 112.213.89.38, 49746, 80 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 19->32 34 parkingpage.namecheap.com 198.54.117.212, 49747, 80 NAMECHEAP-NETUS United States 19->34 36 3 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 cscript.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-27 00:39:58 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
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.obluedotpanowdshop.com/pe3/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 583dbdbb8f6be59c138dfb514d21b93fa1cd139a1184309ee3962ecaaa0be3b8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments