MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48759dee612da5c1b36dfe7ce569a64c3e6528210ca830993cba1996db55ea87. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48759dee612da5c1b36dfe7ce569a64c3e6528210ca830993cba1996db55ea87
SHA3-384 hash: f44f0561936e53ecfc04db95342ec325534649be5f7304913f85bf089c923602afe628c2ce7661a1ed9e3f4f2a83d66e
SHA1 hash: c446ed1dad425e24989e333235f19b172c889710
MD5 hash: 085e1f70a394db623f2248f082837428
humanhash: iowa-edward-hotel-vegan
File name:5PTXM4x7ySyoOy6.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:520'704 bytes
First seen:2020-08-19 14:32:59 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 6144:eRQqt4lVs2Xftpe7OfYe21yAhRo6IuFfVGwfOd0kt3Wak34h319ce0873AyHFoOV:dxHuwAgUfVWdfxWakoxceVTh6l4Z
Threatray 2'268 similar samples on MalwareBazaar
TLSH CFB4DFA3F25459A4E82A35FD903298121173AD2E932A955E10F9333E05BB313CD7BE5F
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: hwsrv-764665.hostwindsdns.com
Sending IP: 104.168.236.169
From: info@alqariab.store
Subject: Request for quotation
Attachment: Quotation for Africa.iso (contains "5PTXM4x7ySyoOy6.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48641/
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
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/438514
Signature
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271730 Sample: 5PTXM4x7ySyoOy6.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 Yara detected FormBook 2->44 46 3 other signatures 2->46 10 5PTXM4x7ySyoOy6.exe 3 2->10         started        process3 file4 32 C:\Users\user\...\5PTXM4x7ySyoOy6.exe.log, ASCII 10->32 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 5PTXM4x7ySyoOy6.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 34 briankarenontour.com 192.0.78.24, 49748, 80 AUTOMATTICUS United States 17->34 36 www.wwwjinsha520.com 17->36 38 3 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 mstsc.exe 17->21         started        24 autochk.exe 17->24         started        26 autochk.exe 17->26         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 28 cmd.exe 1 21->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48759dee612da5c1b36dfe7ce569a64c3e6528210ca830993cba1996db55ea87/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 04:12:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jb2z33tbfws4dm3n7z6ok2ngjq7gkkbbbsudbgj4ximznw2v5kdq._file
Verdict:
malicious
Similar samples:
049a7c8bf4126088f12bcdbe2e1d5bbe5e341cfddda7959379c93a4036546200
FormBook
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
FormBook
0b6acf8d9861c0c69b88b7a7bf1427c5245bbd968e96db1cdb08b8432442c729
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474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
FormBook
783c6835be34af1803983890ec14e1edb2ac7cef4442dff43cddb719d97236b2
FormBook
9898e847968d9a38e9d33a618372ec13e726903761ea0787966ee82c737fd79f
FormBook
9a1bbd02f1dc5ae62f13a00f38067354bf8a754e72e3ebee49a8b6aaa7b7e41f
FormBook
b1ab330d8407adbc0731fd66b869bca53515ccf732d1ad498515e5e04f993de4
FormBook
e6d371badc121f232f4305f3a50f0a136d1b7edbc3337414ca692c26ae41986c
FormBook
e7a3a92b790205c08f44ddc1dc7fef7e0c44e930e00582b9c21a6ba95a25439c
FormBook
+ 2'258 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200819-jgxg453kje/
Behaviour
Gathers network information
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
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tromagy.com/cdm/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/48759dee612da5c1b36dfe7ce569a64c3e6528210ca830993cba1996db55ea87

File information

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

Malspam

FormBook

iso 737ef8d91d9e7668dac391b471ca3be90c44e0ca0e7946354e3106041c5c9e7a

FormBook

Executable exe 48759dee612da5c1b36dfe7ce569a64c3e6528210ca830993cba1996db55ea87

(this sample)

  
Dropped by
MD5 a605c34b633d11fab27207d6d57e752d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48641/
  
Dropped by
SHA256 737ef8d91d9e7668dac391b471ca3be90c44e0ca0e7946354e3106041c5c9e7a

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