MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b
SHA3-384 hash: fe776de567ce669799ea3c0e6e00ee14331b01250b7976bd9f3c93d1e42b1a46f9081a906bb707cc5565890ac9232874
SHA1 hash: db1fc78494384a33bdc9cd66f06d5c6f8f48d697
MD5 hash: a89c981a721dedc62bcd5a5af9c93e97
humanhash: ink-alpha-tennis-sierra
File name:soa.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:538'112 bytes
First seen:2020-08-18 19:44:17 UTC
Last seen:2020-08-18 20:48:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'624 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:J2wunldSL9/jlaD8jzGW92JPZuds0jAt+FqMMVuph5MCgrnN:J2ruLxjlaqCW9GPZuJstGPMfC
Threatray 2'233 similar samples on MalwareBazaar
TLSH E5B45A3579828028CF3445F454389AD276383A0D3B878B7F63DF17B8AE1255BBB6960D
Reporter abuse_ch
Tags:exe FormBook Hostwinds


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: hwsrv-762628.hostwindsdns.com
Sending IP: 104.168.242.143
From: MAJU SDN BHD <info@erstisorof.com>
Subject: Statement of Account
Attachment: soa.zip (contains "soa.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48087/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.51952.13916.26018.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 18:33:46 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4bfqqntgp5k3zqlxrrrhmhezv5jmwxccyfgo6olckmkrfxxssrfq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
06e0e3da562a627b84f328a76d70b62326e2b5a82fd28bf943b6d3dfd1f26cb7
Formbook
0a06767c6ec2249902ef118e04b2044b9784b544b81a7f5e253ae373fd706ceb
Formbook
1f9fd019fecafc3fbe198147d78effb31ddcf7908536854e386a971602afe1c1
Formbook
5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e
Formbook
8e2f9a1b23ade94b0803ea57ac92e916daad73d760f075fed8f1443715104531
Formbook
9295ce88660ed117b7cfff0886232a51dc6492bf6100738957bf93fabdb74bb8
Formbook
967360ebfc55336f03edccc32869b0e6b65c17e66fcdac083d4bcc185b852c0d
Formbook
d3e579b62c6877384f6ed9da7d86aea05ff6b881c141470ec7858fe9f0d992a9
Formbook
db976b273e92b605275bbe6c8590f3ef6687faa0effc351a35d15af1f8fc1c3a
Formbook
e6d371badc121f232f4305f3a50f0a136d1b7edbc3337414ca692c26ae41986c
Formbook
+ 2'223 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
agilenet rat trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200818-d4cm5d169s/
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
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.funpexw.com/dmr/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b

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

File information

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

Malspam

Formbook

zip 669fcf60a49b1f0095d445f2b6853ff91e86c446b4340e603ae4f0554e44020e

Formbook

Executable exe e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b

(this sample)

  
Dropped by
MD5 c153bd6d606c45d7ac2ee8fdfb1ded19
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 669fcf60a49b1f0095d445f2b6853ff91e86c446b4340e603ae4f0554e44020e
Cape
Cape
https://www.capesandbox.com/analysis/48087/

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