MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1678611ad4996f718c0a8998ce194dfe117bf47529c4ccad51a6816ecf4f1bb4. 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: | 1678611ad4996f718c0a8998ce194dfe117bf47529c4ccad51a6816ecf4f1bb4 |
|---|---|
| SHA3-384 hash: | 61718977cc83ebb71aae731402a60049007e160bcf36f25778eb7b283dd282a5b1899be5c90e6e470f7f0f5437b44939 |
| SHA1 hash: | 4299aa33a21d0025c382dbc74bbfc673af69bd31 |
| MD5 hash: | b8fd934d49114171a39ba391412cc029 |
| humanhash: | fish-whiskey-island-earth |
| File name: | Our confirmation.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 1'122'296 bytes |
| First seen: | 2020-08-11 14:08:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat) |
| ssdeep | 24576:5AOcZSqZi8Kh+ypUeDZwNV1/wml/ROf4Io0UBXFJl:zXPh+y5DSZ4ml0f4l0UbJl |
| Threatray | 2'493 similar samples on MalwareBazaar |
| TLSH | A8351202BB868CB2D5731932193A63513D7D7C201F358B2FF3E8AA2D9E711C16535BA6 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing FormBook:HELO: franceloc-postfix.filnet.fr
Sending IP: 194.187.193.120
From: smathieu@franceloc.fr
Subject: GROUP CONFIRMATION
Attachment: Our confirmation.rar (contains "Our confirmation.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Adding an access-denied ACE
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Drops PE files with a suspicious file extension
Malicious sample detected (through community Yara rule)
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2020-08-11 14:10:11 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 2'483 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Adds policy Run key to start application
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fex-tracks.com/hx232/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
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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