MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
SHA3-384 hash: c2b5c3178543825b4963ae72c5dd62ca7cd9641b70c7b254577bff7d4d448cbcca9a7cefe92e7bfe13ba18bf69af57b8
SHA1 hash: f382d117151ad79fa9ecd42920fe63e105aed461
MD5 hash: 6ff3af29fcf1cabca1e7df8a6094e4a3
humanhash: red-floor-music-king
File name:Request For Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:357'888 bytes
First seen:2021-10-26 10:35:08 UTC
Last seen:2021-10-26 13:08:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:cWZKLBWyEUEFrNbMZmvs8hhkEnYt5iVKbWNUy9YNCJrFRVFzCYRPQmRJ33oWI:dcLBWNF2Zmp9eiIbWNVYNgrFNz1RPzJP
Threatray 10'801 similar samples on MalwareBazaar
TLSH T1AD7412063EAC7330CADE0737E5F5B58013BAAEC74B02D75EA66431995EA3BE90142717
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sss.exe
Verdict:
Malicious activity
Analysis date:
2021-10-26 10:54:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c6a4b4d9-f08f-4a5f-b519-6818213e2df4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200154/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1085.3033.27454.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6177da159a5a1e91c5d46dea/reports/80d4286e-9b9a-4824-84ab-f9763b94204d/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cef4a6df-8917-4172-b250-5d48409225fd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/876904
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 509337 Sample: Request For Quotation.exe Startdate: 26/10/2021 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 11 other signatures 2->44 10 Request For Quotation.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\...\QmGzsmhXZS.exe, PE32 10->32 dropped 34 C:\Users\...\QmGzsmhXZS.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\...\Request For Quotation.exe.log, ASCII 10->36 dropped 50 Injects a PE file into a foreign processes 10->50 14 Request For Quotation.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 Request For Quotation.exe 10->19         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        process8 process9 25 mstsc.exe 21->25         started        signatures10 46 Self deletion via cmd delete 25->46 48 Tries to detect virtualization through RDTSC time measurements 25->48 28 cmd.exe 1 25->28         started        process11 process12 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-26 09:26:17 UTC
AV detection:
28 of 45 (62.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7c3imc27pfarzy3x35qvwptsorphope6re2h7xyavxve7aqa4uoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014d0ece0d472eaea73698d634308303ddb9f227f39d339a66416c3cb744d2c1
Formbook
1bbc8a34b7590c1593c5a79a8d0f93b17a162f44893c37aa11e4cb9e0e2d96bf
Formbook
2d0bddbcdb78a0fed7250784feb4238aa9ad086fb4c9ab8d7c877a6ff503d309
Formbook
31126bb88883cdb4de8893da0c275cb8e1bc3889258cc7710617b5c65cd6f476
Formbook
3c299b147655000b066676d4e3957f5583819bdda36c7d7710151932a337d2ba
Formbook
a16f2d423430943200368f83b9a96afc304d51d94e04559a456491632948799d
Formbook
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
Formbook
d4d741eed6175c2c27cad4ef53d1413c9722b37411e82f30334a611bcbe856b2
Formbook
eb4f57c9488afdfcae998056c4854f63c921e45d077c4a53fc6d927463ea5267
Formbook
+ 10'791 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b2c0 loader rat
Link:
https://tria.ge/reports/211026-mm9bcshbg3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.thesewhitevvalls.com/b2c0/
Unpacked files
SH256 hash:
ada6701c3577dfc968d29951e11435733ed201c228d21d05dffaf26fba9be80b
MD5 hash:
00950d2c2f77713a0bb9a84b022a27b8
SHA1 hash:
642f8c60a60249208e8920c78773f88b047b2951
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e2fa5978-c17b-4504-b9fa-172a0e313a5a/
Parent samples :
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
3ac2da7ec8b0c46550c9b85707c4743ea4cacbb5bb6ee0fd159792f3978e3ad3
2d0bddbcdb78a0fed7250784feb4238aa9ad086fb4c9ab8d7c877a6ff503d309
3c299b147655000b066676d4e3957f5583819bdda36c7d7710151932a337d2ba
d4d741eed6175c2c27cad4ef53d1413c9722b37411e82f30334a611bcbe856b2
612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
a16f2d423430943200368f83b9a96afc304d51d94e04559a456491632948799d
5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
6623c86614f32885765a529c796fbe3e3b476dc58782a813e622d0d0873eaafb
62af6d80ae19c6beb856b49527eb3bb0d594e7f33c7cb927c7c58f72b9523ea6
f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
SH256 hash:
ebe49510f269649524e28241be41e45a4d97485b97c6036a9c763d29fa81711e
MD5 hash:
ea64280a0fa02ca75a79b6459af09172
SHA1 hash:
5b67ee6e34b68de48f1d15b73973b2dd52121f62
Link:
https://www.unpac.me/results/e2fa5978-c17b-4504-b9fa-172a0e313a5a/
SH256 hash:
a5c2baaf64d2f20666f5d02876e9f5b59d8ec5c538ee82f1711d9d0db3f189e0
MD5 hash:
8ecd3b39d0778503439b9e9dd0475b2d
SHA1 hash:
249f0f11920286ba191592bfaf13a2c0d7cc7ca6
Link:
https://www.unpac.me/results/e2fa5978-c17b-4504-b9fa-172a0e313a5a/
SH256 hash:
f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
MD5 hash:
6ff3af29fcf1cabca1e7df8a6094e4a3
SHA1 hash:
f382d117151ad79fa9ecd42920fe63e105aed461
Link:
https://www.unpac.me/results/e2fa5978-c17b-4504-b9fa-172a0e313a5a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d

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:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/200154/
  
URLhaus
https://urlhaus.abuse.ch/url/1715616/

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