MalwareBazaar Database
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Database Entry
Formbook
Vendor detections: 10
| SHA256 hash: | 20000a9d0078fa18b60d9ad52d36b4f5dfa77d2f74866e8793ee0085ab0c9964 |
|---|---|
| SHA3-384 hash: | ff0e32bef5f00195bced505316e050a28012e450daf328960b7d3a0a4db00384cc6362dfc9fcd735690ad945529760c4 |
| SHA1 hash: | c5b31d3d22f2d5ba063321148b0d8ab40d93bab4 |
| MD5 hash: | 7ff57c60b0cf3479a387050c72f4bde9 |
| humanhash: | crazy-pennsylvania-delaware-ohio |
| File name: | Profoma_Invoice_SWD173647_3vey_REfR-32JdhY_PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 520'192 bytes |
| First seen: | 2020-08-11 14:11:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:RsU8pdZhXZb2uUPqxLf1N3jscEzoMzsGhbitqQS/gVs:adJfCqxjEZsM4gvrf |
| Threatray | 6'023 similar samples on MalwareBazaar |
| TLSH | 5AB4E025B6A5CC00C3AA6537CADF8114037EBC4A7573DA1E3B9B336D24217B65B066CE |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: synergynorth.com
Sending IP: 111.90.138.173
From: msmit@synergynorth.com
Subject: RE: 45264-61M00 見積り依頼の件 // Bank Account for Payment //Process Control Standard (45264-61M00 Request for quotation // Bank Account for Payment //Process Control Standard
Attachment: Proforma_Invoice_SWD173647_3vey_REfR-32JdhY.pdf.zip (contains "Profoma_Invoice_SWD173647_3vey_REfR-32JdhY_PDF.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
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
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-11 14:13:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 6'013 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.flekcht.com/f4m/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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