MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
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SHA256 hash: 71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c
SHA3-384 hash: 1db3d1fc06586e4092a2b793364cfa512e24a7959a80b1b2c7f3c982266cc31f0c8f8825cc351804a9dcdd3b7c359b1c
SHA1 hash: 5786c4b9a2c0ee400d968f85830391d117cda742
MD5 hash: 80274e0614f5eb84bd470dacfbfbdcde
humanhash: mississippi-mexico-vegan-west
File name:Quotation No. 1687R.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:552'448 bytes
First seen:2021-11-08 09:27:19 UTC
Last seen:2021-11-08 09:30:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:8wrioyEHsC8MUL/j2l8CDEwBIsyE9cM8T9Zxdgb1:ioy/C8Tje7DVB5QJ01
Threatray 11'051 similar samples on MalwareBazaar
TLSH T114C4AE92651457F2C4E1DBBBBF23737086749D821C1FCB2206A8F36D497AAE09E5B443
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/203219/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.36899.485.7425.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6188eda6d8143ea269ce6a57/reports/22ec66b3-225a-4761-ac71-0aebf376684e/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/93d18a75-966d-498b-aa3f-5583356dc1b4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885170
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 517647 Sample: Quotation No. 1687R.exe Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 30 www.managexxxxx.com 2->30 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 10 Quotation No. 1687R.exe 3 2->10         started        signatures3 process4 file5 28 C:\Users\user\...\Quotation No. 1687R.exe.log, ASCII 10->28 dropped 13 Quotation No. 1687R.exe 10->13         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 16 systray.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 38 Self deletion via cmd delete 16->38 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Tries to detect virtualization through RDTSC time measurements 16->44 22 cmd.exe 1 16->22         started        32 www.sundaytejero.quest 37.123.118.150, 49844, 80 UK2NET-ASGB United Kingdom 19->32 34 www.abenakigroup.com 206.188.193.76, 49838, 80 DEFENSE-NETUS United States 19->34 36 5 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 24 autoconv.exe 19->24         started        signatures10 process11 process12 26 conhost.exe 22->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-08 09:28:07 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ogsruhfqrh5z24e6xkjvdmobnzwi24ofqxf5yll4ftvzsetmqiwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
Formbook
2edd9500d065d10587fcb4f5551095e420c40f3bc5e406dd74bf23f954e01ada
Formbook
4bb96dffcc0b4cba1f4ee2ed04e32d724e486c88b0e8492b3e5efb1ec0928c0e
Formbook
516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8
Formbook
64a668add3d7f3bbcc0ef6acb25529c70df773d74e7e17a4a8fd8c95e81ee8bd
Formbook
7a8cd0fb35936203195d49af3fec0140f45e8b8fb75df0203db6b914d4b8d192
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
Formbook
+ 11'041 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:snec loader rat suricata
Link:
https://tria.ge/reports/211108-lfb7lsghbm/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.go2payme.com/snec/
Unpacked files
SH256 hash:
e4750310d28ca10b76b2b628f7ceaf0714db73c973928d709a2e7fc8e7564589
MD5 hash:
ebafe0085f0aa60c96175a021c4a900c
SHA1 hash:
c2d1904f4a7d6a9d54e729da5f0066c8149ca612
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/917af48f-44ff-4344-ad7a-202f2ae59333/
Parent samples :
5270bc9905eafb0b4174ba7ab447db19d7f7dc3adbc5b6a2a747fda70a63849e
2c78fa1d90fe76c14f0a642af43c560875054e342bbb144aa9ff8f0fdbb0670f
2c32280be865e3af57719b11ea9b1fd1c6e25f6a7292fb4f0932cd6f1c231ca1
2edd9500d065d10587fcb4f5551095e420c40f3bc5e406dd74bf23f954e01ada
b0c5289ff8577a26d97294878188c65c1380ea306de5b6125ee014bf5e3f6e4d
724908fa2c546fad14d2a687c9f471f75548903b2d94fb903d617570cedaef7f
71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/917af48f-44ff-4344-ad7a-202f2ae59333/
SH256 hash:
4c3f6991a186e163e8d2cfffbc078641cc96d8497579cb6e37d47bae526eef3b
MD5 hash:
5c3549422f2c7fb92580361d769d81a3
SHA1 hash:
5e0e5402b4809d05221b59098750b6bf1faa5e4c
Link:
https://www.unpac.me/results/917af48f-44ff-4344-ad7a-202f2ae59333/
SH256 hash:
71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c
MD5 hash:
80274e0614f5eb84bd470dacfbfbdcde
SHA1 hash:
5786c4b9a2c0ee400d968f85830391d117cda742
Link:
https://www.unpac.me/results/917af48f-44ff-4344-ad7a-202f2ae59333/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/71a51a1cb089/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c

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
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

r00 3b8452172e29335192c55a601b79906a9759f948583df2ef3aab24dc7413e1ce

Formbook

Executable exe 71a51a1cb089fb9d709eba9351b1c16e6c8d71c585cbdc2d7c2ceb99126c822c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3b8452172e29335192c55a601b79906a9759f948583df2ef3aab24dc7413e1ce
Cape
Cape
https://www.capesandbox.com/analysis/203219/

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