MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 673e1ced4a8ccc576fde4166c6a91e1a4fa7673d2437f6c786bdea4005247c04. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1

SHA256 hash: 673e1ced4a8ccc576fde4166c6a91e1a4fa7673d2437f6c786bdea4005247c04
SHA3-384 hash: 87d41796b5ce3c5b5dcec691a68acade7a64e8c03301307a6ddd9bb3de779d638c1e406a8820ba13bafc96c894293f89
SHA1 hash: b15d9bc189a7c5c8ec101263cd9b49f54ef51e90
MD5 hash: a84aeda3165bd3eeece70efbed04ec44
humanhash: william-yellow-mockingbird-six
File name:a84aeda3165bd3eeece70efbed04ec44
Download: download sample
Signature Formbook
File size:189'440 bytes
First seen:2022-08-09 13:32:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:STn8kU2hx0GHdS3XRDFRpfjZxq1wfiu1zVGpY6FZfDva:+XEXlRrZxq1wnzV6YifDS
TLSH T13404AE32D642C071F2B241B1F67D1B7B483E0D347655A0EAE3E216A06EE49E5F52A31F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ- 7075-T6.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 20:21:27 UTC
Tags:
opendir loader formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed virus windows
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.
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
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
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.FormBook
Status:
Malicious
First seen:
2022-08-08 19:46:58 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jn86 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
673e1ced4a8ccc576fde4166c6a91e1a4fa7673d2437f6c786bdea4005247c04
MD5 hash:
a84aeda3165bd3eeece70efbed04ec44
SHA1 hash:
b15d9bc189a7c5c8ec101263cd9b49f54ef51e90
Detections:
win_formbook_g0 win_formbook_auto FormBook
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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

Formbook

Executable exe 673e1ced4a8ccc576fde4166c6a91e1a4fa7673d2437f6c786bdea4005247c04

(this sample)

Comments



Avatar
zbet commented on 2022-08-09 13:32:34 UTC

url : hxxp://109.206.241.81/htdocs/qWDXb.exe