MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
SHA3-384 hash: bb2596ec568bf50140a125aa52aad4474f118e4d87498cf46d896616ef95da73f09afe0c89467f86980bec8ef6161564
SHA1 hash: c71811898b9c8186b806d0ddcc5c39ee43b5c624
MD5 hash: 11e51d4472e3b7318f53dbf0ce0b7dc9
humanhash: bravo-alpha-red-dakota
File name:Nécessaire personnalisé.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:547'840 bytes
First seen:2021-07-23 14:29:27 UTC
Last seen:2021-07-23 15:47:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zUh/W98zHeUNHkZU9cffDvEdAJGMo0a2th0x6FcyR02umOVBFz:SW98zhNcU9cnDAb0a2th0EN3
Threatray 1'447 similar samples on MalwareBazaar
TLSH T14BC401487640F64EC46FCEB689841C64A77074B75707E383B8CB26ED588F7998A076E3
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nécessaire personnalisé.scr
Verdict:
Malicious activity
Analysis date:
2021-07-23 14:33:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cf62483f-6605-430d-bb6e-eea8ec14901c

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/173659/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.949.29068.17508.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7223fe9-5837-4ace-9540-e337bcd03cb0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820845
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 dnsIp2 2 Behavior Graph ID: 453256 Sample: N#U00e9cessaire personnalis... Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 39 www.8668602.com 2->39 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for dropped file 2->49 51 11 other signatures 2->51 11 N#U00e9cessaire personnalis#U00e9.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\qtUseiiGwlKGx.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmpE06B.tmp, XML 11->35 dropped 37 N#U00e9cessaire pe...nalis#U00e9.exe.log, ASCII 11->37 dropped 61 Injects a PE file into a foreign processes 11->61 15 N#U00e9cessaire personnalis#U00e9.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 howecute.gifts 192.0.78.25, 49749, 80 AUTOMATTICUS United States 20->41 43 www.howecute.gifts 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 26 cmmon32.exe 20->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 14:30:11 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5yjtibpgszi3r4oj5noxzkpdhxdsfcjxbsi6yi4ntz4anjpt3ua._file
Verdict:
unknown
Similar samples:
0271768716a3aa54187f3f72c7bc1cf918b6d063b84471231e2e8d6dc68e6cff
Formbook
299c548532e82b62f4b52ad642613b9cecc89c9be39a1da630afbc06cb7cce85
Formbook
2cc476342cd37570d78bd78d54801ae2387f21d4624b27dafac4f04e580f0dbe
Formbook
367fd8584be5901c9b262975ab5e5700e0e3010d697f1161b6aafabcc7f07d07
Formbook
90e7c97ea4917a6efb5c0a69bd6f481b1a5023d6f8ad0f22d123c417edff8a68
Formbook
9ae702c9e46c101c73bf7914b4862026d5faffba8fab559fa03e03d2015749e2
Formbook
b506bb786b2b45d252f9886ad94e63cb60b60544dade0680b096f80c84cada7a
Formbook
c9c574f1105965e070a09d77cccf598b99305d3e007305667170c6729c2b0829
Formbook
d49479f1e5b04736f8bab7ff79f8cd3574234fa244b1f414b74b1fd91f87d1fb
Formbook
f9db53d550731012ca850383afa5bdaa9093bb04a15e7dfbe7806acc1041d4cb
Formbook
+ 1'437 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210723-7v88ck5w2x/
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
c708a72654e2ffad6cc07b17b604eff2b657f31edb0134af9f613ffdb1c7b3e2
MD5 hash:
fa657047b570bbb286abcd7fadbbca93
SHA1 hash:
74edf7c869a8f717972a406f9b739be5d01dccdb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/16c41cf3-964c-4d8c-8bd0-04d1bd3d89f5/
Parent samples :
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
77debd27c7e821a3a2c480f7b91377dd2706a2a19975132a5141f92d87160363
2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
c2874fa8a593d805c31340651b9ebf7308e6db8e2c33baca8a33188d91ef8605
2e6a479b31c154cdeea1f9502d6a9d820369c1b4b6c91d756ec8011054628f10
777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
03e5bebad534a6061452af4f7b266bf214e8ad97f6d51d683378360f1351da30
26563dccfc02bb19e03b7c0ed406bf1a8b55dabdd44148fe04e35ea00bd6f138
d835bb8d896d0a858feecf968258bc9d5d53e8013e01463db68ae2b5bae8fedf
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/16c41cf3-964c-4d8c-8bd0-04d1bd3d89f5/
SH256 hash:
69e0e042e282a935a7233fd711ec177629b76800643753c278ec11d8ba5c862f
MD5 hash:
55fd3a490b6a2d6972b5b12c3df91aca
SHA1 hash:
5d31bf8a7df1b3b4185d98063d0f133d2b0a465f
Link:
https://www.unpac.me/results/16c41cf3-964c-4d8c-8bd0-04d1bd3d89f5/
SH256 hash:
777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
MD5 hash:
11e51d4472e3b7318f53dbf0ce0b7dc9
SHA1 hash:
c71811898b9c8186b806d0ddcc5c39ee43b5c624
Link:
https://www.unpac.me/results/16c41cf3-964c-4d8c-8bd0-04d1bd3d89f5/
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/777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8

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: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

Executable exe 777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173659/

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