MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa75e63b890a713e629ed607eb77aceb60982bd0027a9189893c0ac63827f116. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: aa75e63b890a713e629ed607eb77aceb60982bd0027a9189893c0ac63827f116
SHA3-384 hash: df85665eee5b252096f6557126a7977a0ce63ac82b2ae3c183e6721c4b086fa67dbcac86f9df2551ca476fdc7afbfe49
SHA1 hash: c0d1857946ffd5b4a85c67b55829ebf931bbfcb9
MD5 hash: 65b8bbbc13fdada9746553ee155eec27
humanhash: solar-winner-india-maine
File name:quotation order.exe
Download: download sample
Signature FormBook
File size:1'182'720 bytes
First seen:2020-08-05 09:23:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:igxULW0lwlT5B0pH571kzgT+LpwkpwYk/UyY:vafmlL0pdegT+LpDpXy
Threatray 4'922 similar samples on MalwareBazaar
TLSH 2845D0613984DF5DC82E0F3078236800EBF2AE061D46F68FAC967DFC56B668A4D1675C
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: c03.ailesrv.net
Sending IP: 122.14.135.247
From: Ayesha Ali Al Hammadi <deai@c03.ailesrv.net>
Reply-To: deai@c03.ailesrv.net
Subject: find the attachement quotation
Attachment: quotation order.arj (contains "quotation order.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
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)
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 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: 257731 Sample: quotation order.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 39 www.jlap.ltd 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected AntiVM_3 2->49 51 Yara detected FormBook 2->51 53 7 other signatures 2->53 11 quotation order.exe 3 2->11         started        signatures3 process4 file5 37 C:\Users\user\...\quotation order.exe.log, ASCII 11->37 dropped 67 Injects a PE file into a foreign processes 11->67 15 quotation order.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 1 4 15->18 injected process9 dnsIp10 41 burgler-mousedeer-27130.netlify.com 157.230.120.63, 49736, 80 DIGITALOCEAN-ASNUS United States 18->41 43 www.weareshiro.com 18->43 45 www.freepizza.download 18->45 31 C:\Users\user\AppData\...\b6zlxyff8w.exe, PE32 18->31 dropped 55 System process connects to network (likely due to code injection or exploit) 18->55 57 Benign windows process drops PE files 18->57 23 ipconfig.exe 1 17 18->23         started        file11 signatures12 process13 file14 33 C:\Users\user\AppData\...\L2-logrv.ini, data 23->33 dropped 35 C:\Users\user\AppData\...\L2-logri.ini, data 23->35 dropped 59 Detected FormBook malware 23->59 61 Tries to steal Mail credentials (via file access) 23->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 65 3 other signatures 23->65 27 cmd.exe 1 23->27         started        signatures15 process16 process17 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-05 07:57:35 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
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 aa75e63b890a713e629ed607eb77aceb60982bd0027a9189893c0ac63827f116

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments