MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef2e4c8992f3358b61434aa28dfef70f5518781b424acc4d85fa724b1d506643. 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: ef2e4c8992f3358b61434aa28dfef70f5518781b424acc4d85fa724b1d506643
SHA3-384 hash: 4f761a2c103758361a7f37dbd7415e429f5a028e3a244d25c3b6e3d28d9be530bd0d7edc232f9ea83032f3146723fc00
SHA1 hash: cc483e3b2f1dff3a9f41603c6902b737786a3bed
MD5 hash: b923131db187ea063c6ed87097b9f182
humanhash: tennessee-failed-oregon-cup
File name:PRODUCTS SPECIFICATIONS AND P.O #62532.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:310'784 bytes
First seen:2020-06-23 06:24:17 UTC
Last seen:2020-06-23 07:01:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:CKl98pGVSeJ4uMrJotW8fm6a0NG/K8qom3TCvGk+4vqV8RiZ:Cm8p6JVkocymDNm3TmGk+4Z
Threatray 5'290 similar samples on MalwareBazaar
TLSH 8864F1123BE84675FABC8B3146B16440533B33BBD277D20C9A8C658E1F27B849561FA7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: mtk2.texwarahouse.com
Sending IP: 45.95.171.122
From: PROCUREMENT MANAGER <pm@texwarahouse.com>
Subject: URGENT JUNE SUPPLIES (PURCHASE ORDER 0002432)
Attachment: PRODUCTS SPECIFICATIONS AND P.O 62532.rar (contains "PRODUCTS SPECIFICATIONS AND P.O #62532.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12843/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.51012.2092.11062.UNOFFICIAL
Create hunting rule

Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef2e4c8992f3358b61434aa28dfef70f5518781b424acc4d85fa724b1d506643/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-06-23 06:26:06 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54xezcms6m2ywykdjkri37xxb5krq6a3ijfmytmf7jzewhkqmzbq._file
Verdict:
malicious
Similar samples:
00983a8176276beea115d21fef7919c49b29b96d78dbc2151cc04cc7d8c95b35
FormBook
1bf9db8285719827160844a6a51292c30346c3099a4753c92177cba4e59b2404
FormBook
26aed14d7e81e89684b0edc0f6247f139d61303764b99385dc16c8a39976d47f
FormBook
347aa505ad319b4d8ee54aabe34dfc2af12b4747af23c6b635821ba9aedd0e32
FormBook
474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
FormBook
5845f8c6a360994b9315ad2e8abbb041a55f4653b6dfc704730202e8c8caf692
FormBook
5cdf6c041962460b405e1bba40fbfbda38571623012c2079fb6502178e860861
FormBook
9362e0d04c5ae6249cf30df1fa0e969425ef058bfd39d8742014a035cf213541
FormBook
c63e2af7f161a564776dd540773f8e7c8581e93318bf6e2d0e065f7df45de3fb
FormBook
d33a10ceda8ca53c008f216420f52ff2371705f69803603b688e1fbf3bd1b13d
FormBook
+ 5'280 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200624-djlj6htxkx/
Behaviour
Suspicious use of FindShellTrayWindow
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Adds Run entry to policy start application
Formbook
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.

29fa3c282b064b4536ee123545e16f0d

FormBook

Executable exe ef2e4c8992f3358b61434aa28dfef70f5518781b424acc4d85fa724b1d506643

(this sample)

  
Dropped by
MD5 29fa3c282b064b4536ee123545e16f0d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/12843/

Comments