MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7
SHA3-384 hash: ba7ce827c36097aaca5844da227fa70deaa12dc2b7a5725ad967daba8f93570c480e1804f67e7cc52c400705f5bc9337
SHA1 hash: 0197f7db4a5898728820bfac0fd8ad9ee579a075
MD5 hash: 0fea715db2b5abe931b86a6350149dea
humanhash: coffee-failed-cold-sierra
File name:b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-04-20 10:16:15 UTC
Last seen:2023-04-24 07:59:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:lEdDDirkRm8jDuGY3WeAyfybU4ap1Hs4d/WcpvLccfISbk/k1yxEK/dTX:4wGWW3yfyQ4aHHs4NWBc7Po2+
Threatray 2'729 similar samples on MalwareBazaar
TLSH T16F04AF32D652C030E2B251B5F67D1B7B483E0E343295A4E9E7A226A06FA44E5F53931F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
250
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7
Verdict:
No threats detected
Analysis date:
2023-04-20 10:50:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e0a8067-1418-4caa-b37e-71eedb4ebe95

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/383704/
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
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6441112a2efbb8b9c3f52a65/reports/3b3e2cf2-483e-447d-bfb1-17503c69768f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7
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/20bf0cc4-7d28-4958-92bd-cf7a59be1cde
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217915
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
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/b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 10:17:12 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwhvaeml2zkflp5cflxg5p7muwqxsxowd47255fh5t3bseezf7dq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4431648599d5c8d9ed6324d5cfaccf83daaecf91b9637b1cf308b8004ca43757
Formbook
4f285ae8e4b4fc0bc50cb639a413412a276f7d187770da6fb5e089eeeff9145e
Formbook
a72d23291c793083519a7095c31a259f88b62f15759f7988894bf6b99903cc23
Formbook
b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
Formbook
bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
Formbook
d93ce6e65ad61e6e424cc6bb2e48eebb312ffe7ff11585bba086c16550a466e6
Formbook
ed236ec0b877086ffbdd929f5beec3818c032744d9f088c45b3a348f5648d038
Formbook
f3b8435e7359411cefb4d6c762550f4881195a2ec0cb035da5737c4b4891fb6f
Formbook
+ 2'719 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sa79 rat
Link:
https://tria.ge/reports/230420-mbdejshb75/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7
MD5 hash:
0fea715db2b5abe931b86a6350149dea
SHA1 hash:
0197f7db4a5898728820bfac0fd8ad9ee579a075
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/f57064c5-2923-4e41-8acf-a14ec9f1959e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b58f50118bd6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7

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 b58f50118bd65455bfa22aee6ebfeca5a1795dd61f3faef4a7ecf61910992fc7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383704/

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