MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1ff207b34ed7e732262fb02c3effc89a93026ed7b4211f3242bbe830fabe55a3. 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: | 1ff207b34ed7e732262fb02c3effc89a93026ed7b4211f3242bbe830fabe55a3 |
|---|---|
| SHA3-384 hash: | 8535345007016277f4e096b383effef91c0b4fb24dbb6100e3f17a452c12fc18a7c9d6bf4bb777510136c63c8c4b8dc8 |
| SHA1 hash: | df6839f40400b1ed305c3cbe0d329bdfe5b0ceea |
| MD5 hash: | b564260bc01351ac561c23e23d3d07e3 |
| humanhash: | beryllium-apart-mockingbird-moon |
| File name: | INVOICE INV987845435.PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 342'016 bytes |
| First seen: | 2020-07-29 12:53:21 UTC |
| Last seen: | 2020-07-29 14:26:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:M8geGdqFJ0Al8LHbT9bQbdFoMHbFkDIPyebkNFhbcRP2tpI9+cYAg/39p0QzN:M5escuAaL7T9kdF7bgIPywFH7Yz/t5 |
| Threatray | 5'100 similar samples on MalwareBazaar |
| TLSH | ED741260775C2F7BE66081796C71A91A0AB2BA0F1811DEED7D4FD8CF2696700831276B |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: hotmail.com
Sending IP: 45.90.222.242
From: Hami TURFANDA <comercialrasmer@hotmail.com>
Subject: URGENT PROFORMA INVOICE INV987845435
Attachment: INVOICE INV987845435.PDF.ARJ (contains "INVOICE INV987845435.PDF.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching the process to change network settings
Launching cmd.exe command interpreter
Sending an HTTP GET request
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 12:55:05 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
trickbot
Similar samples:
+ 5'090 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
evasion trojan persistence spyware stealer family:formbook
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
System policy modification
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Gathers network information
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds policy Run key to start application
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
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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