MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 76e2040321ed7cc5ff6ced0a91b8e8546b7f9a4eab5802beb8ce137b0da48244. 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: 11
| SHA256 hash: | 76e2040321ed7cc5ff6ced0a91b8e8546b7f9a4eab5802beb8ce137b0da48244 |
|---|---|
| SHA3-384 hash: | 6d36b1e216510ac9c758856cbf6dd5ae0bda2a97f79cb14c74b70418dfc6f21bbab2daeca6e9ddac39b43d4e256481ce |
| SHA1 hash: | 8f1663c10307c4ad9b6d43c748abc1c27cea2da8 |
| MD5 hash: | 341029725926d6ce55334f5a51dc1358 |
| humanhash: | undress-triple-mobile-kilo |
| File name: | keys.jpg |
| Download: | download sample |
| Signature | Formbook |
| File size: | 185'856 bytes |
| First seen: | 2020-10-16 12:13:25 UTC |
| Last seen: | 2020-10-25 08:09:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:LEinlOfZPvHa2FSK6vFmG6agepBvxdiNH7FO9pSg/wjzF5XXr1:rqZKMSBv83a7ppXiFFO98g/Ez |
| Threatray | 2'483 similar samples on MalwareBazaar |
| TLSH | 1404AE32D641C071F2B251B4F67D1B7B483D0E343295A4EAA7E116E06EE49EAF42931F |
| Reporter |  Marco_Ramilli |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-10-14 11:34:34 UTC
File Type:
PE (Exe)
AV detection:
29 of 29 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'473 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.amazon-i3.com/nyk/
Unpacked files
SH256 hash:
76e2040321ed7cc5ff6ced0a91b8e8546b7f9a4eab5802beb8ce137b0da48244
MD5 hash:
341029725926d6ce55334f5a51dc1358
SHA1 hash:
8f1663c10307c4ad9b6d43c748abc1c27cea2da8
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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