MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
SHA3-384 hash: d7f5334ee52f54494c3b4a896d57d4fa142690cae2e751550d1df63a644a2d57e107d3ac735c3658990969a83c7414df
SHA1 hash: 1a33ada03d16f20a42784866853f55a46ba966f5
MD5 hash: cf7e91f816d979baf90785208eba0e3d
humanhash: eighteen-mountain-arizona-triple
File name:f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-05-02 07:42:59 UTC
Last seen:2023-05-13 22:50:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:WedbiE474WyfW3aheN6c7ayMRIY71F/lx89WYpWxkYKv:ZckAaYr77MRIYRF/lSTpQKv
Threatray 2'741 similar samples on MalwareBazaar
TLSH T10F04AE36D641C075E2B211B5B67D1B7B893E0E343295A0E6E3E116E06FA49E5F03A31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
Verdict:
No threats detected
Analysis date:
2023-05-02 07:58:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a3bc5d60-297d-42e7-8e60-71057a625b02

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/385962/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
Create hunting rule

Win.Malware.Formbook-9951997-0
Create hunting rule

Win.Malware.Formbook-9964980-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6450bf1892903068e34f6b4d/reports/4479bb63-d89c-4dde-af27-81830301bfe1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d17f741-d706-4bc0-a351-93291181ff30
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1224396
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)
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:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-02 07:44:08 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uwtdobykunrxda55w4ekek6llwylxwk44glujmw7jb5gjvsveqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02ea9a838872751f53f53611015ee23062c2cbc9b71a962caf500e54a145e87e
Formbook
1c629a87d868f7e9a1d1b3b121a17c18facf18fff084438f40e853bfd5cb1169
Formbook
4ae8aa5632e5c9ff2554935e00849c5a66440c03b0fbd4ca8c73dd725c842024
Formbook
59393e44f0898bff733233dab3423c0a682c583886d87897f3ee184fd0acb3d1
Formbook
6f4246a44c4b69ed8cc30d0583be906c7a8040216321889da1bd74ba7815aedd
Formbook
7a41ce40c35cb716b149ae68e2fff7e91f8dbb3af2f265c70ba08ce4615853d9
Formbook
7e5a4a969f8e5439adceca4bc465664de6f891baf774f5d472cced75a52c5b5d
Formbook
90f8a6e23c16788ef3a7adee0b9b9a03cede0905367d71a8be46d3dc24b7b759
Formbook
b87fa8da6f775f13b1d72b19c0b107e87f875f71a69426ec24b61d7fb98929ae
Formbook
f2de7e1866310a43bf34f50a907b7ec8ff5c7b9ae4421c304e26aed008f30850
Formbook
+ 2'731 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:wm23 rat
Link:
https://tria.ge/reports/230502-jj9wyabh9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920
MD5 hash:
cf7e91f816d979baf90785208eba0e3d
SHA1 hash:
1a33ada03d16f20a42784866853f55a46ba966f5
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4889c89e-8fb2-4a60-95e9-d032f8137e3a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f52d31b83855/report/overview.html
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f52d31b838551b1b8c1dedb845115e5aed85decae70cba2596fa43d326b2a920

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/385962/

Comments