MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 19a2416e9e5991c181bfaedbd6c31b05d8d2a2b27a4eb78c804a954fbc45353f. 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: 12
| SHA256 hash: | 19a2416e9e5991c181bfaedbd6c31b05d8d2a2b27a4eb78c804a954fbc45353f |
|---|---|
| SHA3-384 hash: | 4e349104808680987e5d686eaf854c05d31a78afa3f9e01aed88d232bb0267b6cb2e3db4f282f73fa0fa1dd13298d1ac |
| SHA1 hash: | ac04ef32673b6e430a9266c213cb195464f74cf2 |
| MD5 hash: | 16e0be1fddb6dccbd4f667c1028db522 |
| humanhash: | alaska-equal-beryllium-twenty |
| File name: | 01_extracted.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 185'856 bytes |
| First seen: | 2021-09-02 10:02:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:jBVtA+ZCdJoNjLzt0nZUrra8dY/kU0w9Y7O/vf9lRD1j2:1VQwzSnZAra8d2JX9jI |
| Threatray | 9'028 similar samples on MalwareBazaar |
| TLSH | T1E504AF32D692C030E2B352B5B67D1B7B483E0D343294A4E6A7E516E06FA45E5F13A31F |
| Reporter |  Racco42 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
01_extracted.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 10:03:34 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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:
2021-09-02 10:03:12 UTC
AV detection:
35 of 43 (81.40%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'018 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:ast0 rat spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.americanregeneratvemed.com/ast0/
Unpacked files
SH256 hash:
19a2416e9e5991c181bfaedbd6c31b05d8d2a2b27a4eb78c804a954fbc45353f
MD5 hash:
16e0be1fddb6dccbd4f667c1028db522
SHA1 hash:
ac04ef32673b6e430a9266c213cb195464f74cf2
Detections:
win_formbook_auto
win_formbook_g0
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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