MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5. 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 3 File information Comments
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SHA256 hash: 6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5
SHA3-384 hash: 9e919dd2715e859ad27858f38c57ac0b13a53ceac867a01f8bb5353e655dcd4e6298264c4dcc800e1d90ea1fd1fb2723
SHA1 hash: 0ad3ad5517bd94fe5fd6144e30b5801a28d56dc0
MD5 hash: c30080b7ad906899fade216c014222b4
humanhash: romeo-harry-princess-edward
File name:SAFRBRSPXXX-ENV Pagamento.Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:923'648 bytes
First seen:2021-07-29 17:49:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:hSEFlOgTbQuA7iS/d348wMGdGJJdzf6SjNLHZ68AwrkdW0aHsEGFvk0278ciFdak:DFs4D7S/d3tGQjNT4pZr27Tmz
Threatray 6'916 similar samples on MalwareBazaar
TLSH T1B915BF2045C8EB9DD8BE07341B6C0378AFF0A946D1F0EB283E5580B5AC92B51F5BE356
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SAFRBRSPXXX-ENV Pagamento.Pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-29 17:53:49 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/656d3020-6a8e-4ddd-8719-1584c6c008f8

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/175130/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.967-1.UNOFFICIAL
Create hunting rule

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/a8e466f4-1591-4042-a484-1d8b83c6b147
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824068
Signature
Adds a directory exclusion to Windows Defender
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 456480 Sample: SAFRBRSPXXX-ENV Pagamento.Pdf.exe Startdate: 29/07/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected FormBook 2->49 51 10 other signatures 2->51 9 SAFRBRSPXXX-ENV Pagamento.Pdf.exe 7 2->9         started        process3 file4 41 C:\Users\user\AppData\...\CnTqjhLqcipg.exe, PE32 9->41 dropped 43 C:\Users\user\AppData\Local\...\tmpE12D.tmp, XML 9->43 dropped 59 Adds a directory exclusion to Windows Defender 9->59 61 Injects a PE file into a foreign processes 9->61 13 SAFRBRSPXXX-ENV Pagamento.Pdf.exe 9->13         started        16 powershell.exe 23 9->16         started        18 powershell.exe 23 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 22 wscript.exe 13->22         started        25 explorer.exe 13->25 injected 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        31 conhost.exe 20->31         started        33 conhost.exe 20->33         started        process8 signatures9 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 35 cmd.exe 22->35         started        37 autoconv.exe 25->37         started        process10 process11 39 conhost.exe 35->39         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-29 17:50:10 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nunsbi7pxbffjyrnuxia6jhqhmqt5t3tz5bjicoenmpsbp26r3cq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
031af74c61339ca40eda7563268d9e2e2803064c141d3c46eb20acad3764f4cc
Formbook
0cc7962edb5360efdaefae56eeee07f8c70aa2107663f92442df041509e82e93
Formbook
0f4310fc69967760f19d3fffce58040078ff90ee18ae464d8bae9803a97c9d0a
Formbook
107f0cce39dcfa85508fd5d256fa0515b6e27f554628e2ca4400af9dc2a5dcae
Formbook
5e6b89915432b64a3205f68d49db2ffc02007600a2a82a439aff431a95fcbeef
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
6c8b4de0f39caa11127409b3ee06f410b0c5642b840f10822ad40af5745690cb
Formbook
6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
Formbook
70fd882cc398bdba539098c530093e45b505c386223b6ec376eff38113624d82
Formbook
8ac1fc19367861f3a749d801300f554148e36a0e8a4f4cce3c5d3e4de43e4279
Formbook
+ 6'906 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210729-rtp5dprtp6/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
CustAttr .NET packer
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.papablogzzi.com/obow/
Unpacked files
SH256 hash:
49886c9e6db219f1d49e6319d094ae6825b6638420ae06feae3462731eca2d64
MD5 hash:
0151b2630b0498fc40f6cd1a6ec61b21
SHA1 hash:
d0f74b8a35d8d02985cc5bbeab409a9c8677ccee
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2aa79a7-6194-494c-8fe7-d332f2fb71ae/
Parent samples :
0cc7962edb5360efdaefae56eeee07f8c70aa2107663f92442df041509e82e93
6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5
f567b5072eeb0de2b0c5b921df391ff7ea75996450a39a9eb3202b3eeb33232f
SH256 hash:
2f7b3f9f93412739f9ea3ab66b0dc0a2218a9b197447f8ec3940eb291b347d00
MD5 hash:
264d81ed469a22c805f7f1052a6733ba
SHA1 hash:
c59f767938236b261d58e2af19fc82c4de113ffc
Link:
https://www.unpac.me/results/b2aa79a7-6194-494c-8fe7-d332f2fb71ae/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/b2aa79a7-6194-494c-8fe7-d332f2fb71ae/
SH256 hash:
6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5
MD5 hash:
c30080b7ad906899fade216c014222b4
SHA1 hash:
0ad3ad5517bd94fe5fd6144e30b5801a28d56dc0
Link:
https://www.unpac.me/results/b2aa79a7-6194-494c-8fe7-d332f2fb71ae/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6d1b20a3efb84a54e22da5d00f24f03b213ecf73cf429409c46b1f20bf5e8ec5

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/175130/

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