MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a01d821aba5fd6eef3b540c9640a6ff19561c36dcf28461d649cb17cc73bab2. 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: | 1a01d821aba5fd6eef3b540c9640a6ff19561c36dcf28461d649cb17cc73bab2 |
|---|---|
| SHA3-384 hash: | 5ddcfe46f81f4f3062596392bb29be77a9f132dd91aed09646e775259fed18ac6f92732cd38486cb847f013b59f7e676 |
| SHA1 hash: | 22a2cbaa97cc2d74988669ce5be4edeedda9e165 |
| MD5 hash: | 308493a960b7a68197b827df204d8069 |
| humanhash: | magazine-alaska-pennsylvania-white |
| File name: | vbc.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 376'695 bytes |
| First seen: | 2021-10-04 22:06:11 UTC |
| Last seen: | 2021-10-04 22:41:36 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4443ba86c457722dd58af4e4410113ef (15 x BitRAT, 2 x AsyncRAT, 1 x Formbook) |
| ssdeep | 6144:24vq5hs5I/nc4w0HFmjHhKy6p1khCEkMLMHg8pbRTjTPh8:FC5C58mjHhKy6p1qCEkC8dRPTp8 |
| Threatray | 9'880 similar samples on MalwareBazaar |
| TLSH | T1D1849ED2BFEF9F11FB84693158AA5398A537F4190F43408B202263D95E1EE64EE1631F |
| File icon (PE): |  |
| dhash icon | f8eefbf070b85a5a (1 x Formbook, 1 x AgentTesla) |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 22:08:43 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
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
Multi AV Scanner detection for submitted file
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:
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-10-04 17:32:00 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'870 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:wme0 loader rat suricata
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Uses the VBS compiler for execution
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.souubeautyfull.com/wme0/
Unpacked files
SH256 hash:
b94f9a76552e19981de2475b6bb5786f76a7f89534dd382398b31b00835cb8a8
MD5 hash:
f2f2a2d3933538535963b29758c25a30
SHA1 hash:
e2f79991aa52c3179130566d00f3f8937b571a0e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
1a01d821aba5fd6eef3b540c9640a6ff19561c36dcf28461d649cb17cc73bab2
MD5 hash:
308493a960b7a68197b827df204d8069
SHA1 hash:
22a2cbaa97cc2d74988669ce5be4edeedda9e165
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
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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