MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0a27390d4913479f0929cd8ae68ca7f1e7f5c48139e3552677cc19a27d42a935. 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: | 0a27390d4913479f0929cd8ae68ca7f1e7f5c48139e3552677cc19a27d42a935 |
|---|---|
| SHA3-384 hash: | 4c72590b483042cf8cdd8ee977d3ca2250ad6a3ca111c46c1a84cf9c0972b8af5906219b9b13f39bf4b123a2d9170fb1 |
| SHA1 hash: | 491f757c4131847c8c64247191c8c4d3619be5ec |
| MD5 hash: | 53d55c75030ff7d58afd45080fa00dd2 |
| humanhash: | nine-hawaii-zebra-oklahoma |
| File name: | 53d55c75030ff7d58afd45080fa00dd2 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 164'352 bytes |
| First seen: | 2021-08-17 08:39:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:yyBcst6tZJAxgC2oWNd336/Ktt0OWNXRJfUqZhEktnS1AVL+Q:yJrjloWfnMKtCOWNXRq8znSm8Q |
| Threatray | 8'146 similar samples on MalwareBazaar |
| TLSH | T169F39E32D641C030E2B242F5F66D1B7B883E0D352259A0A6D7E15AE16EF06E6F53931F |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
53d55c75030ff7d58afd45080fa00dd2
Verdict:
No threats detected
Analysis date:
2021-08-17 08:46:30 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
Sending a UDP request
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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:
xloader
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-08-17 08:40:11 UTC
AV detection:
40 of 47 (85.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 8'136 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:wufn rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Malware Config
C2 Extraction:
http://www.gaigoilaocai.com/wufn/
Unpacked files
SH256 hash:
0a27390d4913479f0929cd8ae68ca7f1e7f5c48139e3552677cc19a27d42a935
MD5 hash:
53d55c75030ff7d58afd45080fa00dd2
SHA1 hash:
491f757c4131847c8c64247191c8c4d3619be5ec
Detections:
win_formbook_auto
win_formbook_g0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
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: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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