MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 854146ab0835f912d31018649e0f97ebde7a2267ec1085a36bc0dc73f5b6f2a9. 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: 10
| SHA256 hash: | 854146ab0835f912d31018649e0f97ebde7a2267ec1085a36bc0dc73f5b6f2a9 |
|---|---|
| SHA3-384 hash: | 9ee8cfb83b00aef3b947a7641102c40a64692efa9c1ec02945ebf6a38736688aa60175ca6a2807318ad6a86f64d01140 |
| SHA1 hash: | 44df6d89c790acc64db8d3d52b7afc087721610a |
| MD5 hash: | ece61073ffcd0bc9eb59f719165cfe1b |
| humanhash: | zulu-gee-eight-burger |
| File name: | PO_3700406082020 PDF.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 463'872 bytes |
| First seen: | 2020-08-06 06:53:47 UTC |
| Last seen: | 2020-08-12 14:23:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:Rqsle0zz4lWYC1c+mNCKYmdwh63xB0Hfplij6iPl:Le04oh1c+mNCKYID3xB0/zij6iPl |
| Threatray | 4'949 similar samples on MalwareBazaar |
| TLSH | 43A4E0441A984B22DB3C4BFB4264993547B19F2F6C22E3685FD631EB097DBF40640ADB |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing FormBook:From: Sidheshwar Vishwakarma <sidheshwar.vishwakarma@tatasteel.com>
Subject: Puurchse Order of August
Attachment: PO_3700406082020 PDF.r00 (contains "PO_3700406082020 PDF.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-06 03:40:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'939 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat evasion trojan persistence spyware stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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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