MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9c4f8b76224562025127d622105346856558b314a57bf42fac2d7bf61de8b22c. 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: 14
| SHA256 hash: | 9c4f8b76224562025127d622105346856558b314a57bf42fac2d7bf61de8b22c |
|---|---|
| SHA3-384 hash: | f59190072222995435731cd1a5510a06973698df12430cb688ec0924d5669a6050e9d56fd21f471c5301dad3eaf1f0a5 |
| SHA1 hash: | d46ec47535c2b3aab71a098d258267769ccf7a6f |
| MD5 hash: | c9f832b768eec3dc038228f836282d0d |
| humanhash: | cold-alanine-november-island |
| File name: | n.bin |
| Download: | download sample |
| Signature | Formbook |
| File size: | 167'936 bytes |
| First seen: | 2022-02-15 12:37:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:WjJFJxjZUpJcTLPA2eMIDHIfbztbM3WNuTXKiLl/VpfQ:WHJccAhMIjuHtbM3WMDKAls |
| Threatray | 13'515 similar samples on MalwareBazaar |
| TLSH | T13FF38D32D642C031E2B242F5F26D1B7B883E0D34235561AAE7E119E16EE49E6F56D30F |
| Reporter |  JAMESWT_WT |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
n.exe
Verdict:
Malicious activity
Analysis date:
2022-02-15 08:55:56 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Launching a service
Searching for the window
Creating a file
Creating a file in the system32 subdirectories
DNS request
Launching a process
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
formbook overlay packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-15 12:38:09 UTC
File Type:
PE (Exe)
AV detection:
25 of 27 (92.59%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'505 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:qr26 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9c4f8b76224562025127d622105346856558b314a57bf42fac2d7bf61de8b22c
MD5 hash:
c9f832b768eec3dc038228f836282d0d
SHA1 hash:
d46ec47535c2b3aab71a098d258267769ccf7a6f
Detections:
win_formbook_auto
win_formbook_g0
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | malware_Formbook_strings |
|---|---|
| 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: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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