MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddf6f04276c1d976e62e199e6c928fb7a3d7aaec455a1859f8d8f605c89ffc64. 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 File information Comments
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SHA256 hash: ddf6f04276c1d976e62e199e6c928fb7a3d7aaec455a1859f8d8f605c89ffc64
SHA3-384 hash: 5c06407747aab8580e257a399f305bdd181704fcf36b89729af5de1ff8900d21399d9cc1e16297593d9de18d8ec7556b
SHA1 hash: 0583069ac83248f1203dd99ed80afeb55e5c1ba8
MD5 hash: 08b493aea9c2a64cb995b938b8903355
humanhash: maine-michigan-juliet-burger
File name:Demand_List.pdf ...............................exe
Download: download sample
Signature FormBook
Create hunting rule
File size:151'552 bytes
First seen:2020-08-12 14:36:03 UTC
Last seen:2020-08-12 15:56:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0255b84fb6284c2ade2d3c6bd39bc321 (1 x FormBook)
ssdeep 1536:rnhIiDe7hZU6+A4Or8gjUDDXa6t7hFiVEjJ+hrjPoCvoq7p2NJMl66/yQ:rhIge73+AHD/Rvoql66p
Threatray 5'340 similar samples on MalwareBazaar
TLSH 1EE341C062098215FE38D2758572F3B3267D5DEC8986552898FB3C3E30B3C6ED565A2B
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: hwsrv-760084.hostwindsdns.com
Sending IP: 104.168.145.121
From: Md.Mohsin Chowdhury<info@hemoclan.com>
Reply-To: Md.Mohsin Chowdhury<dhczengs@gmail.com>
Subject: RE: Order List
Attachment: Demand_List.pdf .... (contains "Demand_List.pdf ...............................exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/44194/
Detection(s):
SecuriteInfo.com.Variant.Graftor.814706.31198.7091.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Setting a single autorun event
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
FormBook GuLoader
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/422845
Signature
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious values (likely registry only malware)
Hides threads from debuggers
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect Any.run
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 263868 Sample: .........exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 60 www.panwaskabpati.com 2->60 62 www.xiaoyaffawai.com 2->62 80 Malicious sample detected (through community Yara rule) 2->80 82 Yara detected GuLoader 2->82 84 Yara detected Generic Dropper 2->84 86 3 other signatures 2->86 13 .........exe 1 2 2->13         started        16 wscript.exe 2->16         started        18 wscript.exe 2->18         started        signatures3 process4 signatures5 120 Creates autostart registry keys with suspicious values (likely registry only malware) 13->120 122 Tries to detect Any.run 13->122 124 Hides threads from debuggers 13->124 126 Contains functionality to hide a thread from the debugger 13->126 20 .........exe 4 13->20         started        24 filename1.exe 2 16->24         started        26 filename1.exe 2 18->26         started        process6 file7 56 C:\Users\user\AppData\Local\...\filename1.exe, PE32 20->56 dropped 58 C:\Users\user\AppData\Local\...\filename1.vbs, ASCII 20->58 dropped 88 Tries to detect Any.run 20->88 90 Hides threads from debuggers 20->90 28 filename1.exe 2 20->28         started        31 filename1.exe 7 24->31         started        34 filename1.exe 7 26->34         started        signatures8 process9 dnsIp10 106 Machine Learning detection for dropped file 28->106 108 Tries to detect Any.run 28->108 110 Tries to detect virtualization through RDTSC time measurements 28->110 36 filename1.exe 7 28->36         started        72 googlehosted.l.googleusercontent.com 31->72 74 doc-0k-0g-docs.googleusercontent.com 31->74 112 Modifies the context of a thread in another process (thread injection) 31->112 114 Maps a DLL or memory area into another process 31->114 116 Sample uses process hollowing technique 31->116 76 googlehosted.l.googleusercontent.com 34->76 78 doc-0g-ao-docs.googleusercontent.com 34->78 118 Hides threads from debuggers 34->118 signatures11 process12 dnsIp13 64 googlehosted.l.googleusercontent.com 216.58.215.225, 443, 49716, 49718 GOOGLEUS United States 36->64 66 doc-0k-0g-docs.googleusercontent.com 36->66 92 Modifies the context of a thread in another process (thread injection) 36->92 94 Tries to detect Any.run 36->94 96 Maps a DLL or memory area into another process 36->96 98 3 other signatures 36->98 40 explorer.exe 36->40 injected signatures14 process15 dnsIp16 68 www.oknuav.win 40->68 70 www.autocrawler.net 40->70 43 cmstp.exe 40->43         started        46 raserver.exe 40->46         started        48 autochk.exe 40->48         started        50 raserver.exe 40->50         started        process17 signatures18 100 Modifies the context of a thread in another process (thread injection) 43->100 102 Maps a DLL or memory area into another process 43->102 104 Tries to detect virtualization through RDTSC time measurements 43->104 52 cmd.exe 43->52         started        process19 process20 54 conhost.exe 52->54         started       
Detection:
guloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ddf6f04276c1d976e62e199e6c928fb7a3d7aaec455a1859f8d8f605c89ffc64/
Threat name:
Win32.Trojan.Graftor
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 14:37:07 UTC
AV detection:
14 of 48 (29.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3x3paqtwyhmxnzrodgpgzeupw6r5pkxmivnbqwpy3d3alse77rsa._file
Verdict:
malicious
Label(s):
guloader
Create hunting rule
Similar samples:
006bb451c7207fa375e67a1684a97136a46beea1ff74e193eb4bbf6665a0ec9b
FormBook
0098bf2ef8230d9bb30b451868272ffb271fe63a8c248bfc9ce569991c19f279
FormBook
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
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11e4389a0963c995ed5af62f1a93e53198e880b6f39fc120b60a8d68312e232f
FormBook
179043e8eb7c06144c67f58b2c2900ad10303862c0e5cd7e1fe5a4faf853f103
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52f217cdebe83217297bedc352fac2e475e293e6cad52a1335b3641eeb8c412b
FormBook
6e85d06aa422cfc42dafe910acf8de96a3224bc6eb8b5af7e7435c0881d7e7e6
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783c6835be34af1803983890ec14e1edb2ac7cef4442dff43cddb719d97236b2
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9bebd6b8400a02ec36958c8cf06d3abc659b462d482fca3df8a3a64e42b3e234
FormBook
b1ab330d8407adbc0731fd66b869bca53515ccf732d1ad498515e5e04f993de4
FormBook
+ 5'330 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200812-pvj7wvz2r6/
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.sandrxy.com/yby/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.10
Link:
https://yomi.yoroi.company/submissions/ddf6f04276c1d976e62e199e6c928fb7a3d7aaec455a1859f8d8f605c89ffc64

File information

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

Malspam

FormBook

rar 8794751b785527783dc8206639012b0e891ddffb18f3ab906829a5b25cfaefcb

FormBook

Executable exe ddf6f04276c1d976e62e199e6c928fb7a3d7aaec455a1859f8d8f605c89ffc64

(this sample)

  
Dropped by
MD5 5dec658ae9ef8d76228232ff00241a07
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44194/
  
Dropped by
SHA256 8794751b785527783dc8206639012b0e891ddffb18f3ab906829a5b25cfaefcb

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