MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e38a459f721050cdc6779172eeda9caa5496f144e41fce503ca01554ada0a64c. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: e38a459f721050cdc6779172eeda9caa5496f144e41fce503ca01554ada0a64c
SHA3-384 hash: 9bfd71010b9c90e8fb4555fb399a7a6f855bf64dbd9501a8b28dd155ed0b578ad250fcf571d4293fa6f4a140372d723f
SHA1 hash: e5c31ff9abcad3751f08ed5abc15fdb05325a146
MD5 hash: 3d864ddd48403f276e85010a6b452eba
humanhash: four-friend-batman-edward
File name:REQUEST FOR URGENT QUOTATION ....exe
Download: download sample
Signature FormBook
File size:455'680 bytes
First seen:2020-08-19 11:20:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:egLE5vhHvqoAv4+D1Y3f7/SeDWuDib11eUOdazsz:rE55HDAgYY3j/nWuubxlo
Threatray 2'240 similar samples on MalwareBazaar
TLSH 52A4125847C9EF64C57D6FB89460412993F2910BC322EB7E7ECC95E81A63E0287A1B53
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: vps38753.inmotionhosting.com
Sending IP: 144.208.65.147
From: Mohammath Afrath <afrath@polarismep.com>
Subject: QUOTATION REQUEST
Attachment: REQUEST FOR URGENT QUOTATION ....zip (contains "REQUEST FOR URGENT QUOTATION ....exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the Windows subdirectories
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Benign windows process drops PE files
Binary contains a suspicious time stamp
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 271339 Sample: REQUEST FOR URGENT QUOTATIO... Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 47 www.awzxw8.com 2->47 55 Malicious sample detected (through community Yara rule) 2->55 57 Yara detected AntiVM_3 2->57 59 Yara detected FormBook 2->59 61 10 other signatures 2->61 11 REQUEST FOR URGENT QUOTATION                                  ....exe 4 2->11         started        signatures3 process4 file5 43 REQUEST FOR URGENT...        ....exe.log, ASCII 11->43 dropped 45 C:\Users\user\Desktop\x, PE32 11->45 dropped 75 Injects a PE file into a foreign processes 11->75 15 REQUEST FOR URGENT QUOTATION                                  ....exe 11->15         started        18 REQUEST FOR URGENT QUOTATION                                  ....exe 11->18         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 20 explorer.exe 1 6 15->20 injected process9 dnsIp10 49 balancer.wixdns.net 185.230.61.96, 49728, 80 WIX_COMIL Israel 20->49 51 www.tsukino-mori.com 20->51 53 3 other IPs or domains 20->53 37 C:\Users\user\AppData\...\ms1bxh_rg8.exe, PE32 20->37 dropped 63 System process connects to network (likely due to code injection or exploit) 20->63 65 Benign windows process drops PE files 20->65 25 ipconfig.exe 1 17 20->25         started        29 ms1bxh_rg8.exe 2 20->29         started        file11 signatures12 process13 file14 39 C:\Users\user\AppData\...\6QLlogrv.ini, data 25->39 dropped 41 C:\Users\user\AppData\...\6QLlogri.ini, data 25->41 dropped 67 Detected FormBook malware 25->67 69 Tries to steal Mail credentials (via file access) 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 3 other signatures 25->73 31 cmd.exe 1 25->31         started        33 WerFault.exe 3 10 29->33         started        signatures15 process16 process17 35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-18 13:02:50 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.chemoly.com/by7/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe e38a459f721050cdc6779172eeda9caa5496f144e41fce503ca01554ada0a64c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments