MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf4ee4097cc5954454ca5204a2e12bb7f22890b050fbdbbb8cf467358d36b44b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf4ee4097cc5954454ca5204a2e12bb7f22890b050fbdbbb8cf467358d36b44b
SHA3-384 hash: cfba60a69dd69618380bbbe83fbc70e7a7d998ae81df2f10b8b359622a6c8fa5d0488aadc821299e30aa73b36d48aee2
SHA1 hash: 79b6e3d8b3017add0759040eded5b787cbb5418c
MD5 hash: 4f8881d1b00225db8b3cc8f89f5ce398
humanhash: alpha-blossom-delaware-jupiter
File name:PI DX190530.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:817'152 bytes
First seen:2020-08-17 06:17:52 UTC
Last seen:2020-08-17 07:00:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 90971096b3f3ef49ea4900e0dc05049a (10 x FormBook, 9 x AgentTesla, 4 x Loki)
ssdeep 12288:FgftlTxIDJRRtYRNeuawx2+8zVQLlcqPTxUHYY3UmNUS69kf/kGI5A6Qy91jZB4u:Fg1JxIwP5YxaZ0dD6SuV0y91T4u
Threatray 3'519 similar samples on MalwareBazaar
TLSH FF059D32A1E04437D173DA7C5C1B6377982ABE132F289B766BE07C489F396513A252C7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: xv20.fiorentinpcp.gq
Sending IP: 104.131.85.246
From: Camilla Bone <sales@fiorentinpcp.gq>
Subject: Order UK PI DX190530
Attachment: PI DX190530 final.zip (contains "PI DX190530.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46658/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432588
Signature
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Detected FormBook malware
Detected unpacking (changes PE section rights)
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268569 Sample: PI DX190530.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 53 www.phantom-pak.com 2->53 61 Malicious sample detected (through community Yara rule) 2->61 63 Detected unpacking (changes PE section rights) 2->63 65 Yara detected FormBook 2->65 67 6 other signatures 2->67 11 PI DX190530.exe 2->11         started        signatures3 process4 signatures5 85 Maps a DLL or memory area into another process 11->85 14 PI DX190530.exe 11->14         started        process6 signatures7 87 Modifies the context of a thread in another process (thread injection) 14->87 89 Maps a DLL or memory area into another process 14->89 91 Sample uses process hollowing technique 14->91 93 Queues an APC in another process (thread injection) 14->93 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 47 www.artemisplastic.com 198.50.252.64, 49729, 80 OVHFR Canada 17->47 49 www.rendmotion.com 17->49 51 2 other IPs or domains 17->51 41 C:\Users\user\AppData\Local\...\bjtqz7.exe, PE32 17->41 dropped 69 System process connects to network (likely due to code injection or exploit) 17->69 71 Benign windows process drops PE files 17->71 22 msdt.exe 1 17 17->22         started        26 bjtqz7.exe 17->26         started        28 bjtqz7.exe 17->28         started        30 2 other processes 17->30 file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\-9Mlogrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\-9Mlogri.ini, data 22->45 dropped 73 Detected FormBook malware 22->73 75 Tries to steal Mail credentials (via file access) 22->75 77 Tries to harvest and steal browser information (history, passwords, etc) 22->77 79 Modifies the context of a thread in another process (thread injection) 22->79 32 cmd.exe 1 22->32         started        81 Maps a DLL or memory area into another process 26->81 34 bjtqz7.exe 26->34         started        37 bjtqz7.exe 28->37         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 signatures14 process15 signatures16 39 conhost.exe 32->39         started        55 Modifies the context of a thread in another process (thread injection) 34->55 57 Maps a DLL or memory area into another process 34->57 59 Sample uses process hollowing technique 34->59 process17
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf4ee4097cc5954454ca5204a2e12bb7f22890b050fbdbbb8cf467358d36b44b/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 00:32:48 UTC
AV detection:
36 of 48 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5hoicl4ywkuivgkkickfyjlw7zcrefqkd55xo4m6rttldjwwrfq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0098bf2ef8230d9bb30b451868272ffb271fe63a8c248bfc9ce569991c19f279
FormBook
08b47c6d183afb72f383ced4639ba73a03d9b36f06617585b3a3d28b69d1ce9f
FormBook
2a093b2213d7d589020d69e76fdfd33b441ed125664cb3247d25e9103744011c
FormBook
4713ffcea7cd7a9dd280e039ddb249a2bda70d0180aa0c48e6645fd8823b5072
FormBook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
FormBook
6b307cbe4f1e8d769af95142d574e77a50654e25cce234f48da6c5e7a7aa4b99
FormBook
8606768cb758ba8379659f65220250ebc1c491dabd668e7f98663571419cadf2
FormBook
ae5d3796c3f5cb07398607db131f984843b529115cfa13a6a9590991f29f5db0
FormBook
dc0f8133b1faa0245779e8294421033ae567c11be58f5bb86eb65ad3d67bb8ae
FormBook
de5eead1472726c48bab2f8551a161fea3ccd71ee11b4df8e89aa5b9874832a3
FormBook
+ 3'509 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200817-xbq61fahbe/
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.lonxer.com/g2t/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cf4ee4097cc5954454ca5204a2e12bb7f22890b050fbdbbb8cf467358d36b44b

File information

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

Malspam

FormBook

zip 36949f40bac224b7f62b6aa61501f2084d1cb286f5b0d0f87ab2fe04566c5ee1

FormBook

Executable exe cf4ee4097cc5954454ca5204a2e12bb7f22890b050fbdbbb8cf467358d36b44b

(this sample)

  
Dropped by
MD5 fe9c53f29dbe5b9d9a13168ecd2fa458
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46658/
  
Dropped by
SHA256 36949f40bac224b7f62b6aa61501f2084d1cb286f5b0d0f87ab2fe04566c5ee1

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