MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4
SHA3-384 hash: e76dc223c8b116d7462747fc0ccc750430f5b3c30f4d55bcd42db52363d854ffd7d25d91387531b6550d6c5e07c52b17
SHA1 hash: 3b56046926a26b9b100b3227d35f0e4df652600b
MD5 hash: a207abd748cc7716f237abc76e244aa3
humanhash: colorado-missouri-green-black
File name:a207abd748cc7716f237abc76e244aa3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'334'784 bytes
First seen:2021-12-16 08:39:29 UTC
Last seen:2021-12-16 11:18:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:E96uAxp+ZTzkjUBh7lXUaIdmHrgA2qZ+Qnm/zBEkdC7KbR94m8Dv3tECPv78ErbR:Hxpus3IVqWm6oGNMlCnYjif8jupopZ
TLSH T1A455330715E24227F8FF3278D997492C8F75AE04D032B74B94E169496D23B8EDCA2F58
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/214509/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.22008.15109.30723.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/61bafb666daa353fa3b4d1c0/reports/55834466-7154-4bb6-9205-1279dec64713/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a241c805-01f4-4016-bdeb-2c4578e6a5de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/908343
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540820 Sample: Iaz2GQL4Wj.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 19 Multi AV Scanner detection for domain / URL 2->19 21 Found malware configuration 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 5 other signatures 2->25 7 Iaz2GQL4Wj.exe 4 2->7         started        process3 file4 17 C:\Users\user\AppData\...\Iaz2GQL4Wj.exe.log, ASCII 7->17 dropped 27 Writes to foreign memory regions 7->27 29 Injects a PE file into a foreign processes 7->29 11 aspnet_regbrowsers.exe 7->11         started        13 conhost.exe 7->13         started        signatures5 process6 process7 15 WerFault.exe 23 9 11->15         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-12-15 11:06:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckr3gykq5yun6t4sprat7ufheyw4lolqdlwlknbi56ab5wz3ppka._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/211216-kkwldabeg8/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
3797eba92216f02b65b4af2049e4937842ab499959960051d6983f753c3aca39
MD5 hash:
77bbdf1123e633d9963b0995a2a6e037
SHA1 hash:
739cbbcce9d2355823d6e37e7038939ca2ba639f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/64d8ebcd-4535-49fd-be8b-b609fc027a09/
SH256 hash:
57b3486a659f2b6e7d91e454a59116f2184468dda3c8b4f34213e6c98a0d2f80
MD5 hash:
dc2c61e522f0929d52da32c96ecc32a0
SHA1 hash:
c36603ae44d3cd06f20ceb18d29955cf70a78dc6
Link:
https://www.unpac.me/results/64d8ebcd-4535-49fd-be8b-b609fc027a09/
SH256 hash:
12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4
MD5 hash:
a207abd748cc7716f237abc76e244aa3
SHA1 hash:
3b56046926a26b9b100b3227d35f0e4df652600b
Link:
https://www.unpac.me/results/64d8ebcd-4535-49fd-be8b-b609fc027a09/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4

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: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.

Web download

Formbook

Executable exe 12a3b36150ee28df4f927c413fd0a7262dc5b9701aecb53428ef801edb3b7bd4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/214509/
  
URLhaus
https://urlhaus.abuse.ch/url/1868093/
  
Delivery method
Distributed via web download

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