MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
SHA3-384 hash: 9cbb846381537e47c9b39971490b0e7bce861a5a1ef41b889dff387ad2a4889d80044a217f5761d16b0b47624ba56b92
SHA1 hash: 2e1c27efdac7d5536faa3adb1628f3ffff9d86e0
MD5 hash: 7b74904762e17b9fc2337043401456cd
humanhash: uniform-missouri-fruit-april
File name:673009213.exe
Download: download sample
Signature Formbook
File size:809'984 bytes
First seen:2021-09-20 09:40:12 UTC
Last seen:2021-09-20 11:08:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:u5MTdIzySDsmtiK5oyZjdQ8y6ZaKVaL6/tcVCziNyL+dryWDNjEjqSt:sA+FoWq96ZX7tXis+drvuft
Threatray 9'408 similar samples on MalwareBazaar
TLSH T12105AEC17D47D89BF4DF2AB3986FC5201164AE9D9165C33D2682BA2B55F3302306BE4E
File icon (PE):PE icon
dhash icon b282b8a4a6929e9e (23 x Formbook, 20 x AgentTesla, 9 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
673009213.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 09:43:08 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486348 Sample: 673009213.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 33 www.sunshinefamilysupport.com 2->33 35 sunshinefamilysupport.com 2->35 37 2 other IPs or domains 2->37 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 11 673009213.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\673009213.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 673009213.exe 11->15         started        18 673009213.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 39 hi-loentertainment.com 192.64.113.210, 49822, 80 NAMECHEAP-NETUS United States 20->39 41 www.onayli.net 156.239.239.134, 49821, 80 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 20->41 43 7 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cscript.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-09-20 07:58:40 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b2c0 loader rat suricata
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.thesewhitevvalls.com/b2c0/
Unpacked files
SH256 hash:
d89704a97846a6cd7bbc28188610f7f926ddef6d1b601e982dbaea0793b00039
MD5 hash:
75b1dcea2cb1e1a508efb0c3017bcbce
SHA1 hash:
f2bcfeb4480bd6becf70585e80421a8586a81358
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
82db9dd8fdb6d90309a53fe0b3f430d8c158d1f623cdb3094e7b8ee42aab8f7e
MD5 hash:
945b03223e2e9fc3ad5873f485cc8280
SHA1 hash:
9f8cfc318abc0af37fd5e57458289903c4d0bcfe
SH256 hash:
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
MD5 hash:
7b74904762e17b9fc2337043401456cd
SHA1 hash:
2e1c27efdac7d5536faa3adb1628f3ffff9d86e0
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments