MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
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SHA256 hash: 19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
SHA3-384 hash: d525754ea779f6fcc3e1c0097a53417330379f7b93a4d03d5f1bf178093ab3dd64921d6630c1282b457c1081bb4f49f1
SHA1 hash: ba8b764c65299d732e97be27ac371108a0672537
MD5 hash: 0ad7201eb902e58b08a769af58a72846
humanhash: jersey-march-undress-texas
File name:Request for Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:517'120 bytes
First seen:2021-10-27 06:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:BY6J3LcNImLrfqldLQjeDGhL/eKF7VNr4xzZH/JWFX84FFpqLlrHX/C2nVYz/Duj:94ImHuQmGJ2KxrMZfCqLlr37Y7DucL
Threatray 10'842 similar samples on MalwareBazaar
TLSH T1D5B4D05162B8C906D5B507B0D0B8C4F44736BC16DA22E60F99D67CDF3A72781862AB3F
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/200398/
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:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6178ef21a9d585e6d53aaad6/reports/03652fba-5299-470c-93b5-bc4417eec6bf/overview
Result
Verdict:
UNKNOWN
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/7a78c817-0221-42d4-85f3-f0512f2e9694
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877532
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
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: 509961 Sample: Request for Quotation.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 12 other signatures 2->49 10 Request for Quotation.exe 7 2->10         started        process3 file4 31 C:\Users\user\AppData\...\ilghTBnHuu.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\tmp8362.tmp, XML 10->33 dropped 35 C:\Users\...\Request for Quotation.exe.log, ASCII 10->35 dropped 13 Request for Quotation.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 37 roleconstructora.com 192.185.131.113, 49726, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 www.taolemix.com 172.67.173.216, 49725, 80 CLOUDFLARENETUS United States 18->39 41 4 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 24 svchost.exe 18->24         started        signatures9 process10 signatures11 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-27 03:06:27 UTC
AV detection:
6 of 44 (13.64%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dg6junhuub2efc7mdsa3w4y2vodlhdmhpxfif3focwhzwkozhw7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014d0ece0d472eaea73698d634308303ddb9f227f39d339a66416c3cb744d2c1
Formbook
1bbc8a34b7590c1593c5a79a8d0f93b17a162f44893c37aa11e4cb9e0e2d96bf
Formbook
2d0bddbcdb78a0fed7250784feb4238aa9ad086fb4c9ab8d7c877a6ff503d309
Formbook
5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
Formbook
612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
Formbook
b4fc77c70794670f21a4c4fbc3b608589cef7b9d98acadf9b0a956404f6ca0be
Formbook
d4d741eed6175c2c27cad4ef53d1413c9722b37411e82f30334a611bcbe856b2
Formbook
d9cee5cc1ff9b14e0c1604dfded72f085e39b1983c41b595660a60bfaab942b9
Formbook
eb4f57c9488afdfcae998056c4854f63c921e45d077c4a53fc6d927463ea5267
Formbook
+ 10'832 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/211027-g2m4saagf5/
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/c084d3ac-0dad-40bd-afc4-7651a4360cc0/
Parent samples :
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
ea12191fcd49d36b68be2c466a24cac87cfd79f9d1fb18ef252037f0fb976979
40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
3ac2da7ec8b0c46550c9b85707c4743ea4cacbb5bb6ee0fd159792f3978e3ad3
2d0bddbcdb78a0fed7250784feb4238aa9ad086fb4c9ab8d7c877a6ff503d309
3c299b147655000b066676d4e3957f5583819bdda36c7d7710151932a337d2ba
d4d741eed6175c2c27cad4ef53d1413c9722b37411e82f30334a611bcbe856b2
612a346d3e2412113c53343b67419bc7a13bcf1bfe890137b68b3b5553a20096
a16f2d423430943200368f83b9a96afc304d51d94e04559a456491632948799d
5bb8975c8a7e8080a8a68034458adfb7b8e9812b5a1fdd15f891656b03d086e6
6623c86614f32885765a529c796fbe3e3b476dc58782a813e622d0d0873eaafb
62af6d80ae19c6beb856b49527eb3bb0d594e7f33c7cb927c7c58f72b9523ea6
f8b6860b5f79411ce377df615b3e72745e773c9e89347fdf00adea4f8200e51d
19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
SH256 hash:
14bd27059b5f71f4f066b8673c56d20b7ce133917dbc5a41ea630c5e52f4aa84
MD5 hash:
ed2fc4a51626e3fa5b39c5e719ffafcf
SHA1 hash:
5b01619a1c3d6ad3529cc4e5a0f7947dfaf0ebd2
Link:
https://www.unpac.me/results/c084d3ac-0dad-40bd-afc4-7651a4360cc0/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/c084d3ac-0dad-40bd-afc4-7651a4360cc0/
SH256 hash:
19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
MD5 hash:
0ad7201eb902e58b08a769af58a72846
SHA1 hash:
ba8b764c65299d732e97be27ac371108a0672537
Link:
https://www.unpac.me/results/c084d3ac-0dad-40bd-afc4-7651a4360cc0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/19bc9a34f4a0/report/overview.html
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/19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/200398/

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