MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94b89dec963ec5d8d9440acb8690d79494187187d36d0f964da12bba0cc1cad3. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 94b89dec963ec5d8d9440acb8690d79494187187d36d0f964da12bba0cc1cad3
SHA3-384 hash: 96db29f5e63631c7ff48c49f4baed0d32a5fb66e13c780a145eed1e45883c20beb0f9ae67f246e163750abaab71c71a2
SHA1 hash: daf776d76de93b46e70cb18685971bd1deb46d3e
MD5 hash: b3deab0303a76f37f062df7db8a4eb3c
humanhash: uranus-arkansas-high-oven
File name:Invoice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:512'512 bytes
First seen:2020-05-12 07:14:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:0I9g5pwJJL7XJAnY7kZAi8Z4Pr7+9178IMhlHTbkwesojhwAQST7:/geJHX+nOkZtrr7uvMhlHzesojjT7
Threatray 5'118 similar samples on MalwareBazaar
TLSH 2FB4BE3366829034C16D41F2947A5BF2593B2ECD3B0986DE73AA932C1FD351BB75620E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: ADMIN.local
Sending IP: 94.100.28.181
From: Sintaya <sintaya@ms61.hinet.net>
Reply-To: sintaya@ms61.hinet.net
Subject: Re: Size Range of new order
Attachment: Invoice.rar (contains "Invoice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Formbook-7399661-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Formbook
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 05:47:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ss4j33ewh3c5rwkeblfynegxsskbq4mh2nwq7fsnuev3udgbzljq._file
Verdict:
malicious
Similar samples:
1c17fcd097bdf870469b6ae65ca22d42ed57f250d411d9123a259146c8056362
FormBook
b6bdac1c53022b036c0c9a3e84b2dc0f87a6ffe75d0d72c82f36c30b71b4e026
FormBook
bd7c17b39ab5f775700bae65b0930ae6b18e674036b6939c7264a9e7f14637ad
FormBook
d07396040efdd9f7c600059a4023866f28d19268e46612a26bfe72464b54e6ec
FormBook
da2d2589cd850fcfcd691a3da7b40a8c47857fbe3e9b6fbf762f3e2095188c7b
FormBook
ed3318102d772c4dcecfb1e10f37cfd3fdcbaff1d340ba9c2bc5dcfe6383f339
FormBook
f01e05ea7a73c604ae68acbced809fa9a249818994aae64af13010b3ea82c892
FormBook
fa03e53716c429b64b0709a2fd31b17e7ffd3cfc196afe74dfd3ff07b95be2bb
FormBook
fc714509dc4c3d6f3e13028be7be8207b2377331266c8ce213c575e511f8d31f
FormBook
ffe5b585cebd48c48d45d315506f232f43b77761225cb349fe80e73bfb2485d5
FormBook
+ 5'108 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook agilenet persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201109-he1bexadfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
ServiceHost packer
Formbook
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
http://www.salomdy.com/rck/
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

File information

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

2de11a85630820ea21cbb950edda0f5e

FormBook

Executable exe 94b89dec963ec5d8d9440acb8690d79494187187d36d0f964da12bba0cc1cad3

(this sample)

  
Dropped by
MD5 2de11a85630820ea21cbb950edda0f5e
  
Delivery method
Distributed via e-mail attachment

Comments