MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd65de40662072e139fcfab07423a32a918e5cd51c42544681835e7fb5f835a6. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd65de40662072e139fcfab07423a32a918e5cd51c42544681835e7fb5f835a6
SHA3-384 hash: 6916cf363036b3624ab18c52e7d4c3aaf1e4cd077ce98e986cd2876a6af8ed962bff9aa44999c5dd80ae995a53bd1c75
SHA1 hash: e2c86f727e504226c4bac9fbe7b1fc1fa4d96f82
MD5 hash: 91fc536632f7babc55f9d9d3c92b058d
humanhash: stairway-fruit-ten-yellow
File name:91fc536632f7babc55f9d9d3c92b058d
Download: download sample
Signature Formbook
Create hunting rule
File size:560'640 bytes
First seen:2020-11-17 12:36:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:3Kf9ojc7FRWwDFSs5Og4HzABxlosIR3dhqxRf7/DLawdSok75I2I6ex:abRWwpSsMBHkB0sIzhqxRDreuRYF
TLSH 12C46CB73952547DCA6E02310566C0F0B9B22ECB3F908A0DB1DB8F0F3E15A5BAB52557
Reporter seifreed
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd65de40662072e139fcfab07423a32a918e5cd51c42544681835e7fb5f835a6/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 00:02:27 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7vs54qdgebzocop47kyhii5dfkiy4xgvdrbfirubqnph7npygwta._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook agilenet rat spyware stealer trojan
Link:
https://tria.ge/reports/201117-71txvxhjk6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of web browsers
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.libertraxengineering.com/rte/
Unpacked files
SH256 hash:
fd65de40662072e139fcfab07423a32a918e5cd51c42544681835e7fb5f835a6
MD5 hash:
91fc536632f7babc55f9d9d3c92b058d
SHA1 hash:
e2c86f727e504226c4bac9fbe7b1fc1fa4d96f82
Link:
https://www.unpac.me/results/527335a4-8357-428d-8c48-cde88d4321c9/
SH256 hash:
b2daba8bd9bd8180b3a3f99be8b5c5341cf5393d09c3975eaf8cc25fd6c004fe
MD5 hash:
157dbc7d2a3ff1c46eeddea60af1a3b4
SHA1 hash:
4c501dec940f11fb180224faceff33617f5b98f4
Link:
https://www.unpac.me/results/527335a4-8357-428d-8c48-cde88d4321c9/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/527335a4-8357-428d-8c48-cde88d4321c9/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
e013aa026760e07a1b5228b7f15c7dae66132740ef699987014048198c081c8c
MD5 hash:
e9998e8219e9a4f264339686df8867b5
SHA1 hash:
f1758c788a7895eb920e9169e1274ddc327f808d
Link:
https://www.unpac.me/results/527335a4-8357-428d-8c48-cde88d4321c9/
SH256 hash:
d9441785516cf74e6f3c86fa0cecf56b0b69cc361516da974be9cb01f1921df2
MD5 hash:
0345ee3daa51cfc4444366c0e1e1ace7
SHA1 hash:
71f1d93c996ba65f162e963ef7da68ea3221459a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/527335a4-8357-428d-8c48-cde88d4321c9/
Parent samples :
ef0d4bf082291155c82f86ebda948f3fafed56b2d167463f6b59a1a964e7ccfb
19a8a4216e0f95f9c4ad7d8318599a9e91791867e3b757b16eae9b2f1e38a143
bf149d9178e1dfee8846b6c29664fd04e8b079121706b208dc9389f3ce1d36ac
fd65de40662072e139fcfab07423a32a918e5cd51c42544681835e7fb5f835a6
ef84b1824587f465b36bafcbfbe6a14953e6de0a9420904662ba207984782c80
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.

  
Delivery method
Other

Comments