MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc
SHA3-384 hash: 6b308928862456270f40a7d2bd68792cbc6dd03864bca15ef777e64ba5e11f5ec9417e5abd26c33177c199e28134f00e
SHA1 hash: 71f9e379593384c185b10685c756832f858e34f4
MD5 hash: da051f09b5e10af46e02ffcc3cf116b3
humanhash: kansas-oranges-connecticut-winner
File name:copia del pago.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:668'672 bytes
First seen:2021-10-01 13:26:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:P2DmkGnvhYJsDMvIlC+nJdQEYpkQJkYxdbhRwbQ+X8+UiDLbRHah+:6uvhY+DZNdQ5pxobQ+X8+UiDLbRHah+
Threatray 9'535 similar samples on MalwareBazaar
TLSH T17BE47B64E22FEB69FD1923F0253CFCD00AF82A69147CE927BD9660E63489F7451B0653
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
copia del pago.exe
Verdict:
Malicious activity
Analysis date:
2021-10-01 19:36:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1376013d-1edc-44c7-be5f-9f5f82915313

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/194004/
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.13267.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b04629e7-42d2-4693-b674-6b2e7830c8b9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/862731
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Performs DNS queries to domains with low reputation
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: 495159 Sample: copia del pago.exe Startdate: 01/10/2021 Architecture: WINDOWS Score: 100 34 www.xaaz2.xyz 2->34 36 www.oldmanemailplan.xyz 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 11 copia del pago.exe 3 2->11         started        signatures3 process4 signatures5 56 Self deletion via cmd delete 11->56 58 Injects a PE file into a foreign processes 11->58 14 copia del pago.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.chaosmatheclub.com 54.38.220.84, 49819, 80 OVHFR France 17->28 30 cname.vercel-dns.com 76.76.21.21, 49822, 80 AMAZON-02US United States 17->30 32 7 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 msdt.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc/
Threat name:
ByteCode-MSIL.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2021-10-01 13:27:04 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=otevpxa4olw5uf5jpwqi5fwrbtxhvuf24li66dwzatus6rmm7doa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
87f8905d999f293634fddf1bff47a614041bdfaa2f07ef19fe70e5296a7b086e
Formbook
a7acd97fcff334160640901d977010aa55397f5a6da375ab38bcb1622b800f7d
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
b32448dbeec13e1eb23e55a57ffc06f9dfc8fd44687e19fc0be1c4fbabc10abb
Formbook
c6ac9c7f14e2fe9196fe5fdd2a30236a157d4c04c0e5c9dc84e8592984756717
Formbook
cf3038247c7a2a5779f655fdf594bdad56b22d198b6edb1c3197b84d9c4f153a
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
f836093baf3255830126881722dc2edd86fd615fc922f86d177b0ccb0e3d2941
Formbook
+ 9'525 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:w240 loader rat
Link:
https://tria.ge/reports/211001-qph4qsbhe4/
Behaviour
Gathers network information
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
Malware Config
C2 Extraction:
http://www.palisadesburgers.com/w240/
Unpacked files
SH256 hash:
9394e90842d928aa3361bef714f732285df9498784eb3c1a3e0ac9f0d65fe016
MD5 hash:
c5bba005c5434c411d1ba95a25c9b01e
SHA1 hash:
27917a2b52cd5051f05a2666c2a44467b1f7be5c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c471192d-e77c-46ac-9086-e9695048e9cd/
Parent samples :
c6ac9c7f14e2fe9196fe5fdd2a30236a157d4c04c0e5c9dc84e8592984756717
74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc
378ee60fb2d81639f413f10e21dbb12a052d37fd5e1c56bc160e9a9ad7351e89
SH256 hash:
8284626bb324db0a4b2516f9b5dc1da92a26e6315f7a2fe771079a99021125fe
MD5 hash:
eaddb22aa4c81beb01cd9f45fb47809c
SHA1 hash:
dca3c2c7c76f332ad5cf31ab7be227de4e0aa6c8
Link:
https://www.unpac.me/results/c471192d-e77c-46ac-9086-e9695048e9cd/
SH256 hash:
73f390748a24898a70939111e95b11d6c28bc74cdd5d10cead0c9587c602895e
MD5 hash:
ce80d8c62136343e3e7fa44c3d01f541
SHA1 hash:
abb6128c2e6f6bfd05b12787fb44d2e34fbd5928
Link:
https://www.unpac.me/results/c471192d-e77c-46ac-9086-e9695048e9cd/
SH256 hash:
9681f8df370974581c3e4e32a8c96476a7278cfd4bcc61e34ca85822991cd69b
MD5 hash:
98c8011076fb762e53ae8b29fbe44dac
SHA1 hash:
53609911b46bbe727d0f92701a24a36eebc900c1
Link:
https://www.unpac.me/results/c471192d-e77c-46ac-9086-e9695048e9cd/
SH256 hash:
74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc
MD5 hash:
da051f09b5e10af46e02ffcc3cf116b3
SHA1 hash:
71f9e379593384c185b10685c756832f858e34f4
Link:
https://www.unpac.me/results/c471192d-e77c-46ac-9086-e9695048e9cd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc

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: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 74c957dc1c72edda17a97da08e96d10cee7ad0bae2d1ef0ed904e92f458cf8dc

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194004/

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