MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000
SHA3-384 hash: cf15037c063d5c9a4b625e126dec04ab4f8e636b6274d404c53b470db4f183f696395f94ea4b4e883d217d108f952f59
SHA1 hash: c3e5f4d9ed53bdd1f4723baf572ff60ea8776b41
MD5 hash: 359c5a9a6b7fa741ce70c1f38a27d9b2
humanhash: solar-lion-five-echo
File name:Prueba de pago.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'814'528 bytes
First seen:2021-01-15 15:49:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Htb20pkaCqT5TBWgNQ7adlvzDz3Hhbatk/OzG38uDsydzWfhuBj+u6A:EVg5tQ7alhGzI9dzscBjV5
Threatray 985 similar samples on MalwareBazaar
TLSH 8085BF02535D92EEFA1123B36C02AF417E2794B14560762EBFED0AACD93D43DB12F562
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: srv.barakaldotiendaveterinaria.es
Sending IP: 149.202.92.158
From: ventas <ricardosimian@hotmail.com>
Subject: RE: Envío
Attachment: Prueba de pago.zip (contains "Prueba de pago.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Prueba de pago.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 16:23:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5edb954-e2f0-4cdc-8f87-e60f9c4f1d0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112240/
Detection(s):
Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/582614
Signature
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340348 Sample: Prueba de pago.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 88 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected FormBook 2->34 36 3 other signatures 2->36 6 Prueba de pago.exe 4 2->6         started        9 wscript.exe 1 2->9         started        process3 file4 22 C:\Users\user\dcomcnfg\AuthFWGP.exe.exe, PE32 6->22 dropped 24 C:\Users\user\AppData\Roaming\...\.url, MS 6->24 dropped 11 Prueba de pago.exe 6->11         started        13 Prueba de pago.exe 6->13         started        15 Prueba de pago.exe 6->15         started        20 27 other processes 6->20 17 AuthFWGP.exe.exe 9->17         started        process5 signatures6 26 Multi AV Scanner detection for dropped file 17->26 28 Binary is likely a compiled AutoIt script file 17->28
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 13:45:30 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l54iutz7cnnfuvjt5whyhbytngcqw6ipsekozvtsiiprogu3qaaa._file
Verdict:
malicious
Similar samples:
05bc00d35dec87d6be4ff6eb04ab1c5c6b3fd006e67429ef35b4eb02b48c489c
Formbook
0a44ee4a63f01378570de7668ee2daa17534d296a6ff2c45bc14d8f9b07bb837
Formbook
0af91caf5bfd256133203be73629b6fc15dda3a6d11b007549babf7118763cfe
Formbook
1507bb2255e3c8fc397bcaa4884bf3eca1f50f71d243a09993870f7daa9d352c
Formbook
1656c8b0d2cf6a2c990f87b2774a242cccc62ce6b9cd725cc5d5b3ef46585734
Formbook
9a2ffcf3f6be8f2fb3ea792c854fbe72e907c99391ded77733a1401d4d168e9e
Formbook
b0896cbac640a28e5f9f597d546534fb06175652f6c8d4232b65b22a1743be51
Formbook
dc28fee9ff485f98bb7a9369a6e24ad8f1a63c123cc9c39ee676d933e1999fc6
Formbook
f8166e1205c9dd0761f42f47c8d3e3c944b72b1fd3713a0383040f263987a649
Formbook
fba2d704c11e4e6016da0acc631c12bb8ded89d3c46eb5469aa98988844f8b7e
Formbook
+ 975 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/210115-62mlz2jt3j/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Drops startup file
Unpacked files
SH256 hash:
5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000
MD5 hash:
359c5a9a6b7fa741ce70c1f38a27d9b2
SHA1 hash:
c3e5f4d9ed53bdd1f4723baf572ff60ea8776b41
Link:
https://www.unpac.me/results/1a53b684-b5d6-4d34-8fa6-e871b42b4d96/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

File information

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

Malspam

Formbook

zip 3a46953f27918ea1df72ba9df13cca2df2eda8b32db95d72be1aceb184417c7d

Formbook

Executable exe 5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000

(this sample)

  
Dropped by
MD5 ad5ab1fb4b4dea316cd3a158d30611f7
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3a46953f27918ea1df72ba9df13cca2df2eda8b32db95d72be1aceb184417c7d
Cape
Cape
https://www.capesandbox.com/analysis/112240/

Comments