MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83. 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


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
SHA3-384 hash: 0b5bab2a41367e17b2198609b29d575d05a0af7c45e9bfa4be6789cbc23170fdcf0d6f877db5e8ac015e65678646f224
SHA1 hash: 87e76a368434c54cc4904ea4219e14c25f9ba7e6
MD5 hash: 6f7b859f349e73f24ddffa5bf11bbe27
humanhash: twelve-venus-sodium-apart
File name:PaymentAdvice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:397'978 bytes
First seen:2021-04-08 07:04:24 UTC
Last seen:2021-04-08 08:26:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18bc6fa81e19f21156316b1ae696ed6b (51 x Formbook, 24 x Loki, 9 x SnakeKeylogger)
ssdeep 6144:7dtFlrKiLnfelK7ynU7VVjnlxplPAL59bb1nv/rH25Jd:XPDmKWcjnVlPAL/tnvzHOd
Threatray 4'599 similar samples on MalwareBazaar
TLSH BC841253B7E0EC67D6119538CE63D7788BB5AE102E024B0737907F6FB7723866962284
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.barssan.com
Sending IP: 45.133.1.176
From: Account Payable <payable@vf1c.com>
Subject: Payment Advice 07_04-21
Attachment: PaymentAdvice.cab (contains "PaymentAdvice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PaymentAdvice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 06:35:51 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/434ec90f-407b-4b91-948b-c14995e08f67

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/133068/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.4151.19347.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Connection attempt
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/669667
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 (e.g. based on Emerging Threat rules)
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383762 Sample: PaymentAdvice.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 31 www.plataformaporelmarcanario.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 PaymentAdvice.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\u58vwjsm3.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Contains functionality to prevent local Windows debugging 11->61 15 PaymentAdvice.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.brandschutzglas.com 81.19.159.73, 49730, 80 WORLD4YOUAT Austria 18->33 35 thebellabloom.com 192.185.31.203, 49722, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 21 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmd.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 05:47:34 UTC
AV detection:
12 of 48 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rnaepeg3a2bqpzqopafej6w6qdinlxuu4ntre5yeo7espl2v2bq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
+ 4'589 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210408-855sx83vjn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.saturnkorp.net/c22b/
Unpacked files
SH256 hash:
ae959236ee2f7db81b1aec7e89ca0c62bce23229d857017c1a9e7072e560ea3e
MD5 hash:
3293e2ef6fb642ddbeb3b075f4a794ab
SHA1 hash:
ee5ec10d846c1ddf448c1df40bd01d3e3c2182be
Link:
https://www.unpac.me/results/7a2ccd52-4c2d-4101-ae14-1e6e34a4288a/
SH256 hash:
f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
MD5 hash:
6f7b859f349e73f24ddffa5bf11bbe27
SHA1 hash:
87e76a368434c54cc4904ea4219e14c25f9ba7e6
Link:
https://www.unpac.me/results/7a2ccd52-4c2d-4101-ae14-1e6e34a4288a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.67
Link:
https://yomi.yoroi.company/submissions/f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

cab 9eaa0b02d32d3f246cd87a86c0b27a51fb510a9c7e9d67740c4bede864c2e7c3

Formbook

Executable exe f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83

(this sample)

  
Dropped by
MD5 31dd953b6e14c3888023120361a7cdcd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133068/
  
Dropped by
SHA256 9eaa0b02d32d3f246cd87a86c0b27a51fb510a9c7e9d67740c4bede864c2e7c3

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