MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0
SHA3-384 hash: eb55d049f6dc4ce93e0728aea386b62cc0b17a7afb0161d1f32e0e686c4bc149052dd29e54c6b22acd2cdfab62b4c34b
SHA1 hash: 5e9d361fc0ea43c6d198c125d3beebaa4ff29967
MD5 hash: 94dcd3cd847d159eac98d9ea9a2ed92d
humanhash: lamp-winner-ack-magnesium
File name:POOO.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:322'560 bytes
First seen:2020-06-29 06:36:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Wjx6jkXeRRMMaEPsxWH69Y/ybQrIpflZ1TYata5DF:yenMMaY22q31Ty
Threatray 4'961 similar samples on MalwareBazaar
TLSH AB64BE3067AB99ACFBAE5BBDE431852CC7727E813420F78ED71A74ED6521384424079B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: lucky1.263xmail.com
Sending IP: 211.157.147.133
From: Kevin Song <sarah_xie@b2bautopart.com>
Subject: Order Confirmation【Suspected phishing email, please pay attention to password security】
Attachment: POOO.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15404/
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 04:22:10 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6dpjhz4fy2yhrydqwlrxw5fixef3dznm34jeo7ui3o6rc7dv7aa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
06e0e3da562a627b84f328a76d70b62326e2b5a82fd28bf943b6d3dfd1f26cb7
FormBook
0d271903774ae9467d80cad6fcaec4d2ea4653b8eb4c28e0a1c7dbe0849ccd01
FormBook
4c1fe4c0f5d8d1277036802c83df3e083b31318dfc2c194ce93b7169d7ba6e3d
FormBook
7f6459ace4d6259e61c8170563af8a30f25568457902f4f717c8ad17574efab6
FormBook
94d278a63bbbebb8c2297dfb45088c6b74755ab753611239a10d9593316f37df
FormBook
a5014862213a403138ded2f7d1044704840fe3a8a57dc09e5ec118082e7cba1f
FormBook
a6009a6b0724811f3bb71fc6f0c6b3b1aad71448948175949c7eb8af82034e91
FormBook
e3e778591453a54d2cbd3ab1bb4ecb69ed94222f248aac24a95fb951fc6101f0
FormBook
e825c5b9c196015372cc2153f670cdfec42827fe20aff62c5d493b67fd9c92f1
FormBook
ef14e580eca50b75acae60fa7c6642fa89fc91ee8492f5193608937f4d78781b
FormBook
+ 4'951 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/200629-sw6al3mcz2/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
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

Executable exe 3f86f49f3c2e3583c70385971bdba545c85d8f2d66f8923bf446dde88be3afc0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/15404/

Comments