MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bb55c88ca46b3d34d58e0fd9eacedc2a4b753f2d6e7d9d1627ba2fd914deac71. 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: 11
| SHA256 hash: | bb55c88ca46b3d34d58e0fd9eacedc2a4b753f2d6e7d9d1627ba2fd914deac71 |
|---|---|
| SHA3-384 hash: | 65ed33c15af5a10686bb686f2149b3aa14751b1abcfdb3ea77ea1bc4a67637393e5b4e4e1e4c8e1a20cb769e9757b40d |
| SHA1 hash: | 3b6f6298e83776e44362f558df9aff9128f9bebc |
| MD5 hash: | d021c22ba09ae67c07936cc698af2bff |
| humanhash: | juliet-hotel-purple-london |
| File name: | d021c22ba09ae67c07936cc698af2bff |
| Download: | download sample |
| Signature | Formbook |
| File size: | 282'624 bytes |
| First seen: | 2021-10-04 09:48:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 034798d5891f6a110ab94befc4c55274 (2 x Formbook, 1 x GuLoader) |
| ssdeep | 6144:+ajB9wsfkJuoMQF9CxX/tO7JS4PIcJ1Eyo:+aNHQRMQHg/tGTPBfE |
| Threatray | 7'841 similar samples on MalwareBazaar |
| TLSH | T149549D229601C030F2A245B1B26AC7B687FFCC3C6615D3A7AFD13AD56FB0191A5253DE |
| File icon (PE): |  |
| dhash icon | 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Order PO200305-01.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-04 09:20:27 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
formbook packed
Verdict:
Malicious
Result
Threat name:
FormBook GuLoader
Detection:
malicious
Classification:
rans.troj.evad.spre
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious icon found
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-04 09:42:47 UTC
AV detection:
15 of 45 (33.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 7'831 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:guloader family:xloader downloader rat
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
bb55c88ca46b3d34d58e0fd9eacedc2a4b753f2d6e7d9d1627ba2fd914deac71
MD5 hash:
d021c22ba09ae67c07936cc698af2bff
SHA1 hash:
3b6f6298e83776e44362f558df9aff9128f9bebc
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:
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: | 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
Comments
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