MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff
SHA3-384 hash: e24c69626123b3c4fec86de7ae0ad8ae0cb6ad821a0d849d7f16be81acbaa3ceab96d85fa50ca8cdc0548161f01310b5
SHA1 hash: d6d8cfb0f3bec3b693b805a8bdeefe3651b6d509
MD5 hash: 5da62bdb6889d90f395efd87681ebdc7
humanhash: yankee-table-october-papa
File name:transferencia bancaria copiar...exe
Download: download sample
Signature Formbook
Create hunting rule
File size:257'349 bytes
First seen:2021-09-20 15:24:08 UTC
Last seen:2021-09-20 16:00:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:p8LxBntcE0yoInozz1mZOoEFmAckF5rTKqdacxIiSgIF3CFbW:EuE0yAVsI4yPbaQBSgIFyFi
Threatray 9'413 similar samples on MalwareBazaar
TLSH T16C4412836BF9CDB7D56796305D35636AF3B38199E15235074FC80FABFCB098A8619082
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
transferencia bancaria copiar...exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 15:24:38 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f6caffdc-932e-4ec9-9745-98503b579920

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/189498/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.29351.20215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7cb7f40b-203b-466d-a261-110eb1a0c775
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854185
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486617 Sample: transferencia bancaria copi... Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 32 www.historyfive.com 2->32 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 11 transferencia bancaria copiar...exe 17 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\gbywalds.dll, PE32 11->30 dropped 60 Maps a DLL or memory area into another process 11->60 15 transferencia bancaria copiar...exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.sante-evolutionshop.com 18->34 36 www.righteousrewards.com 91.195.240.13, 49797, 80 SEDO-ASDE Germany 18->36 38 10 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 chkdsk.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.weekendanorak.com 22->40 52 Self deletion via cmd delete 22->52 54 Modifies the context of a thread in another process (thread injection) 22->54 56 Maps a DLL or memory area into another process 22->56 58 Tries to detect virtualization through RDTSC time measurements 22->58 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 15:24:15 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mw4nfdgjh3yhrfkpk2kcf2jjekmomofbdjv3naoikbs4qtqefp7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
44dedf5b594d812b996aae7b28fd3489703842b05ff917403f879d728fe15ba0
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
6c8d9b097832fec5088306fabfeb26cf5aa0c67153134f4c5e356cee935f871e
Formbook
80b056a8c2fee08fd3361a8a271dea407425ca335275d49f81a1c50a06d9ed98
Formbook
ab95bc3c40647b2b700cdb9aba76b6de220fd528fd194e6071c1747df6cb78ce
Formbook
e05f95a61609a00f7c8372823b0cd8731524e3d938c8f54a11922491e1a70989
Formbook
e091222f766082c33c0606405115206cb2d915929dfe2ac899b1945d6442c512
Formbook
e4bf214f6939dae12a6a479bd64f129509aa74ae46033c1aee210acddb118077
Formbook
e5659878f4d7dfbbfd3a41335e874443513f66204af3ec7a49ead66a61c9225b
Formbook
e9f37a053f32c4f4732ba0ff24dba4d0a57a4e2dc8e8f1698e5601385371ce8e
Formbook
+ 9'403 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:oqxs loader rat suricata
Link:
https://tria.ge/reports/210920-ss5g9ahbbq/
Behaviour
Modifies registry class
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
Loads dropped DLL
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.e-commercehispano.com/oqxs/
Unpacked files
SH256 hash:
4f50b002d4dbff85342ae866e42d3584fcc62385c01859dc18f3578cf0c04629
MD5 hash:
23b9d16486f364039492326b1a656d79
SHA1 hash:
def8a889d7d24b08c16fbe7c56cafb640aab9871
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/32a8099a-0742-4b2d-b3cb-0783d9ab33b7/
SH256 hash:
e48b8f656830011f32db64ba1f056de90af2bae7291523512c36ae6c25c393b5
MD5 hash:
1107fd86fa69bffdec7583b4a7eef2d7
SHA1 hash:
840e3eb51476b475bbc58e3872aed306e58ac46a
Link:
https://www.unpac.me/results/32a8099a-0742-4b2d-b3cb-0783d9ab33b7/
SH256 hash:
65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff
MD5 hash:
5da62bdb6889d90f395efd87681ebdc7
SHA1 hash:
d6d8cfb0f3bec3b693b805a8bdeefe3651b6d509
Link:
https://www.unpac.me/results/32a8099a-0742-4b2d-b3cb-0783d9ab33b7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff

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

File information

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

Malspam

Formbook

Executable exe 65b8d28cc93ef078954f569422e9292298e638a11a6bb681c85065c84e042bff

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189498/

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