MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 11c42a22bd49e9f723718ff607d073bfd3d47afd70ce7152b7329bff2013366c. 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: 7
| SHA256 hash: | 11c42a22bd49e9f723718ff607d073bfd3d47afd70ce7152b7329bff2013366c |
|---|---|
| SHA3-384 hash: | 3489793964d237e5607c97c6985504c85bcbdba8afcdbd0ecde1984f09c6f2d1ab0585cebffb870c3f3acadd94e25046 |
| SHA1 hash: | 1c8097bc03d029fb43eb9adec139df15583d2715 |
| MD5 hash: | 903c68fa33ec1a69d5773cd181fd5c3f |
| humanhash: | earth-december-butter-mexico |
| File name: | Mqyresf_Signed_.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'516'146 bytes |
| First seen: | 2020-07-28 21:53:39 UTC |
| Last seen: | 2020-07-28 22:35:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 908ca3ebf1ae8340a627b01ca8fea614 (2 x Formbook) |
| ssdeep | 24576:UaafUy2B0jAZICUZgMlXIqOUArsqmyiSCyiSVUJEq7zvVJf9w9:Ua4mXZICUZVhlZfyiSCyiSV/CznFw9 |
| Threatray | 5'219 similar samples on MalwareBazaar |
| TLSH | 7A65CF22F1D2F17DC3AE4AF94CBDBB285518FD4136005C8AA1F93C6AC536A40A8D775E |
| Reporter |  Racco42 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Possible injection to a system process
Unauthorized injection to a recently created process
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Creates a thread in another existing process (thread injection)
Detected FormBook malware
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
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 netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.RemcosCrypt
Status:
Malicious
First seen:
2020-07-28 21:55:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 5'209 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
spyware persistence
Behaviour
Suspicious use of SendNotifyMessage
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Modifies system certificate store
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of web browsers
Adds policy Run key to start application
Adds policy Run key to start application
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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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