MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc05e8f15eaccce53aa6946738f82b2c7f66cb876a2c20c5a77ab3eb2e900d77. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc05e8f15eaccce53aa6946738f82b2c7f66cb876a2c20c5a77ab3eb2e900d77
SHA3-384 hash: 8fcfd818fd4a578d99e95a8f5a8b671e018d7cce7e349760972d8632db6c287add28d16503aba605b98f33006f47dc78
SHA1 hash: 4f78d94f1d5d8af97e29fdb7f21eb39e5fd8d4a7
MD5 hash: e47fef790f49c75752d51c08c51bfeec
humanhash: lithium-oscar-winner-failed
File name:KbxK8O14WKVN8dU.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:301'056 bytes
First seen:2020-07-08 14:38:39 UTC
Last seen:2020-07-08 16:06:57 UTC
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:gP6GS6kqHz5AsuqkkulVYPls2ePF9MrX6If4Gs8cjon:vGZkqHGVdyPls2ePF9Mrdf46cq
Threatray 4'867 similar samples on MalwareBazaar
TLSH 0954E0E53354C602D56A1237C9EEBC10C7B87F07F6E2CA4E2ED9329D1665BD60801ACB
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: smtprelay.b.hostedemail.com
Sending IP: 64.98.42.47
From: Yingluck Shinawatra <info@almutazlogistics.com>
Reply-To: info@dennisbearman.com
Subject: covid order urgent
Attachment: INV08072020PO2003943.img (contains "KbxK8O14WKVN8dU.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23146/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WSX.27748.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Possible injection to a system process
Forced shutdown of a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc05e8f15eaccce53aa6946738f82b2c7f66cb876a2c20c5a77ab3eb2e900d77/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 14:40:07 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqc6r4k6vtgokovgsrttr6blfr7wns4hniwcbrnhpkz6wluqbv3q._file
Verdict:
malicious
Similar samples:
14bbd0cd681c1501f814ac5e7a4dc9b627bf410990edc77cf10ada83cd106d94
FormBook
172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
FormBook
4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa
FormBook
590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
FormBook
5f6ecbe9757644eb46ceaef0b9e8354e63bab83b29bf47f4812c84beb08acb4f
FormBook
846da150185354155686d4f5d45ed5d0791cb8a97769e73e38a33c4d43c75db3
FormBook
9bf2e6afa0656c8129746c95784146ba85f15ecf46081644192e5bbfd5899144
FormBook
9d545cae8b73e11800aaf794b2919bb8972511e4e217eaf1a51c3f38c17bb412
FormBook
c3aa64f063330b257fdd6f3d0dd8479b3a4877140b771b4ccf3cae4e10ffe4e9
FormBook
ed3e93996b60fbaeb82c59f62dc3dcee809b229748ad7772829a8f738e307cbd
FormBook
+ 4'857 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
persistence trojan spyware stealer family:formbook evasion
Link:
https://tria.ge/reports/200708-n5c9yxxl5e/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Modifies service
Adds Run entry to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
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

File information

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

93528d8867df87fe05e1840e5bad5ee7

FormBook

Executable exe bc05e8f15eaccce53aa6946738f82b2c7f66cb876a2c20c5a77ab3eb2e900d77

(this sample)

  
Dropped by
MD5 93528d8867df87fe05e1840e5bad5ee7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23146/

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