MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320
SHA3-384 hash: d0cf18e66e4b9152f17fa8861bb9b786eece239db4c95a051a2cebc7882afee0bba0d82525bc9717c2c3ec4521ff6e65
SHA1 hash: 103a4fd60b635f7ddea446bf544b66e62f4d26d4
MD5 hash: 66a6eb2b02f79c17ddb71f6ce5247086
humanhash: bulldog-oscar-queen-bluebird
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:514'048 bytes
First seen:2020-10-19 06:31:44 UTC
Last seen:2020-10-19 08:24:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:l9EJ9wt2L2C1Iz0i1h4L9jkUTEnHi4nhxp+sGPJEa:l4YC1Iz0ikBkUyC4vaE
Threatray 2'783 similar samples on MalwareBazaar
TLSH 44B4CFB17D92596EC56E07714069C4E1FAB61EC73F908B0D71DA4B0F3E01A2BAB1325B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ledtech.com.cn
Sending IP: 156.96.60.139
From: ann.wu@ledtech.com.cn
Subject: RE:RE:RE:Feedback With Clarifications, Pictures, Techinical drawings
Attachment: Feedback With Clarifications, Pictures, Techinical drawings.rar (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72733/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.12912.3247.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/494916
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-10-18 23:35:48 UTC
AV detection:
25 of 27 (92.59%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zt7pxq2gsm3pe5dyonnvz5cfmevbfbrbwsjknknvu2rdli754mqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6841a00603c067163259e142990659c0217ded69e2895d187fa65f9439034c7f
Formbook
6bb732e1c22295b2fa6970a286225d14bd7c6fabef714f9b20c3a622bb8e7645
Formbook
767fc756f86db0b4de57b4ec14964f24af0e47eb23ba7fa1df6378bcf9986947
Formbook
805a071c8e38fca4e3602881ff33ac7a2afba65bb61cd7adda873950bf2779cb
Formbook
8df5752017d7f083ddad62b8423ea7109c830dbcdca3fff0ee7aee8d149fdeda
Formbook
9abd8b37403ea5e7b381e0644acc6655dc01efc4be1edf69992c5a68c33eff1f
Formbook
bdad93534a202f7d3c2f102dc39093fa12a32f5de82c76a5fb41a94e1748d99e
Formbook
d325c45529e7211242f65cabe3549dd635a23fc43b48c2b2a64ccff8d54c1ee2
Formbook
d9600ffc9406d71c60b7eb036248230510c3b971a1de563ca7b8b57e822f7879
Formbook
e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34
Formbook
+ 2'773 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201019-ej1ck5qwej/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
ServiceHost packer
Formbook
Malware Config
C2 Extraction:
http://www.obluedotpanowdshop.com/pe3/
Unpacked files
SH256 hash:
ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320
MD5 hash:
66a6eb2b02f79c17ddb71f6ce5247086
SHA1 hash:
103a4fd60b635f7ddea446bf544b66e62f4d26d4
Link:
https://www.unpac.me/results/9a4f030b-c624-4dea-87ad-0b7aa9dd36b4/
SH256 hash:
030ebcfb58acd7ce1092bb21946ce0c2b240a9618e3f37d4b28651e28027c90e
MD5 hash:
0841d9e0eefb09e3a00d7a8951d34820
SHA1 hash:
b53c29a31ce122ab6806de9dbea82d741d70de48
Link:
https://www.unpac.me/results/9a4f030b-c624-4dea-87ad-0b7aa9dd36b4/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/9a4f030b-c624-4dea-87ad-0b7aa9dd36b4/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
Link:
https://www.unpac.me/results/9a4f030b-c624-4dea-87ad-0b7aa9dd36b4/
SH256 hash:
30351057c5f68d7e5111885e43ea9c87dd0f1944fe717798bf4e1c03f5b08a36
MD5 hash:
8c09ce5bd7f6be2280ba37a21610b049
SHA1 hash:
79509bb45f36fe2fc9f41eee81eb0b2b80cbb4a1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9a4f030b-c624-4dea-87ad-0b7aa9dd36b4/
Parent samples :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 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/ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320

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

rar 91be3d8d64e4e2cd674a425c920e2b885ab37abc21d0ff0f3cb08805e4702262

Formbook

Executable exe ccfefbc3469336f27478735b5cf445612a128621b492a6a9b5a6a235a3fde320

(this sample)

  
Dropped by
MD5 97b32bfb896f820bbf502f87e77846a2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 91be3d8d64e4e2cd674a425c920e2b885ab37abc21d0ff0f3cb08805e4702262
Cape
Cape
https://www.capesandbox.com/analysis/72733/

Comments