MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c7b335e031c3c2fde1e7d75cbe08bd0951b0cb8a327fa4bd3e54c4c59d32936. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9c7b335e031c3c2fde1e7d75cbe08bd0951b0cb8a327fa4bd3e54c4c59d32936
SHA3-384 hash: 00f406fb9db5e8c07145f4f69389639dcf6f567c734f9c13cf9abd820573f89613538771fd0577c1bc0f49c4009d4560
SHA1 hash: 34f2639723d38c9511beabe5d8ef81a6ff85a460
MD5 hash: ad79a994c52c067e68f068c32b333d19
humanhash: massachusetts-red-avocado-oklahoma
File name:documents.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:454'144 bytes
First seen:2020-07-07 09:06:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:O/BwJ+bgqm3vebw+DFHzSeCO090Fb2eU6hVPa/NRpdYtcbEz6C5aYuJ6Y/:2b8r3veU+BHtCOLqehhtQNe7zUYu
Threatray 4'162 similar samples on MalwareBazaar
TLSH 5FA49DB032B6AFA6C53A0FF4951021104FF5395B652DD2A8AEC160DB45F6F848E91FB3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: checkpt.com
Sending IP: 103.125.191.31
From: Jasim Uddin <Jasim.Uddin@checkpt.com>
Subject: Delivery Notice
Attachment: documents.r03 (contains "documents.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22111/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Deleting a system file
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9c7b335e031c3c2fde1e7d75cbe08bd0951b0cb8a327fa4bd3e54c4c59d32936/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 09:08:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tr5tgxqddq6c7xq6pv24xyel2ckrwdfyumt7us6t4vgeywotfe3a._file
Verdict:
malicious
Similar samples:
047ff786f8bdd92bcf070f006d07ee6ca9bf63bd08213ec6b8807486c8b3f016
FormBook
1423f45cfa5d62d8910075b3cc15855237e0a0bc2e2c18a49b94f0cc8d592602
FormBook
2d4056fad1be6f7748d20dfac087ba9161d7555f0a5f021d462d226e89787ce7
FormBook
4d5c7e3ebcae0ff2419bc76ff30b7681cf9a11751834ee0dcc5868a48f9c30b3
FormBook
4e8ddcec5c75934d0418b3f5f66c20925bd67b6acda0bb0c3a0ee684865a6e4b
FormBook
64ac97cf73567009fd4ea4707b2c0ac2917c74842a81bddf874889d772bf9146
FormBook
727a3e431ab50b5cf1cebca1642981bfc29099d4a65f233d0a0f606a624b7272
FormBook
80fa061deb733b05912954a6e3400de75254f23e5befab4616ff978be37b6f9f
FormBook
b346093a964f1c0917debeeb63e70117a1a863714cb977c7f436ed2448aaeab6
FormBook
b5cc8b2d62e6c2d6a9bf080c4c41e19295af7dae7230a63b7f6ad8def08e7ea2
FormBook
+ 4'152 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200707-5hcv4vf3b2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

FormBook

r03 58d5495c7ea46fb657fdaf591698d93665f9846c77cf0e2033fb4205dd6302f9

FormBook

Executable exe 9c7b335e031c3c2fde1e7d75cbe08bd0951b0cb8a327fa4bd3e54c4c59d32936

(this sample)

  
Dropped by
MD5 21f00468a0ec7e50fa61d9a64c9d4b85
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22111/
  
Dropped by
SHA256 58d5495c7ea46fb657fdaf591698d93665f9846c77cf0e2033fb4205dd6302f9

Comments