MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: 6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
SHA3-384 hash: 07d82f1553011d35729a72aa43cf087954457347bffc3502f32e0df35f9d4b1c414def478cd34548b8cbd25b9736f7d2
SHA1 hash: 961de5130d839f5926b6a6d6cc91a511cfdbeb33
MD5 hash: 640713680293f962c79b8fd947ff2eb7
humanhash: friend-jig-utah-grey
File name:INV 563256 and 373PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:768'512 bytes
First seen:2021-09-23 14:14:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:5oCxjf0RsJTVT4DDVMC7HsauA5+qRE4jqGJ9RbAnhxtyamtiK5o:F4JVhHskHjbJ9Axtya+Fo
Threatray 9'567 similar samples on MalwareBazaar
TLSH T18FF41225B25AE665D69E5E396E31E0300BF0AE253C32DE179DC03EEF793E3D60550A12
File icon (PE):PE icon
dhash icon 0068b21e2c820000 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV 563256 and 373PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 14:29:45 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/37b51a09-1274-40aa-9f5c-271c74f34689

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/190790/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26929.UNOFFICIAL
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Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee0cbae8-f75d-4cae-b4b7-56f43f0d3b5a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856692
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 489124 Sample: INV 563256 and 373PDF.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 9 other signatures 2->40 10 INV 563256 and 373PDF.exe 3 2->10         started        process3 file4 28 C:\Users\...\INV 563256 and 373PDF.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 INV 563256 and 373PDF.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.mimifamilydentistry.com 74.208.236.222, 49796, 80 ONEANDONE-ASBrauerstrasse48DE United States 17->30 32 www.misspinkyscreations.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 systray.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-23 10:15:55 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=no3wh76rzjeegrhsuaw7h6pgxxobrihr7tk5laacvullqkzw3oia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
410659d6e76a955d58e88df12ffea3550a57758513630f051c6e66caa343fdad
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
6c0e85b84f2b1dfdb580a168386ad91efe7f734066ff3a12a0d359fcb4711dca
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7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
7162b4c9de1772aa721d26d185fd1b7e32a9de5c6ebfd86cab3ef0ed7561a837
Formbook
99b495e7c6df7f7bf887cd2d7f143e4103dfaf57990a0712bac7d33a2c6d6f0c
Formbook
a99b696e8ac16303843b26c95c982d5be9b9fd657d843937cc586c9a8dc29b83
Formbook
d2d6a8c31acdd92eb9a005e2fac8838a382ab0425fc01bc88616bda185ab7b4c
Formbook
d39ec2fb7fa07bb6886173571262d2324d96b6e879ccc4f2cea46ece183e576a
Formbook
fc2480dee0caf0759cb11b01bea00a2588a48267c65ea4e81c66ba2a350fc177
Formbook
+ 9'557 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:gvr9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210923-rkmrsseecm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.misspinkyscreations.com/gvr9/
Unpacked files
SH256 hash:
7378640db49710ad682bd08e6f01d1362f7a708b3d56f5257cbd4634cc15958c
MD5 hash:
f54bbf01271b9239fe7f86bfbc2c4976
SHA1 hash:
6ed861d8f69e2c549f6e912d314ab1385a3e906f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/284ce152-daa4-4f7a-bdd3-a2f627e9cc45/
SH256 hash:
5b00bd19c3ca4787331eeb571aadd967fc1fd67e8a8f1919ee9a4fde30805a88
MD5 hash:
34e013be09821f799095255096c3b091
SHA1 hash:
ff51f953f06df8bcef0e140d118ca70233284cd3
Link:
https://www.unpac.me/results/284ce152-daa4-4f7a-bdd3-a2f627e9cc45/
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/284ce152-daa4-4f7a-bdd3-a2f627e9cc45/
SH256 hash:
bc76653f85443c31336365b0fdad743639a03e7030ec891d1a2c3cde639a4d41
MD5 hash:
cf7f7fb9128d1bcd4e2aabbb2e5d8d61
SHA1 hash:
0462e81b3f588b662e41204d5af8814ad6e57652
Link:
https://www.unpac.me/results/284ce152-daa4-4f7a-bdd3-a2f627e9cc45/
SH256 hash:
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
MD5 hash:
640713680293f962c79b8fd947ff2eb7
SHA1 hash:
961de5130d839f5926b6a6d6cc91a511cfdbeb33
Link:
https://www.unpac.me/results/284ce152-daa4-4f7a-bdd3-a2f627e9cc45/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90

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: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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/190790/

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