MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a. 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 2 File information Comments
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SHA256 hash: bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a
SHA3-384 hash: ecf29798177203dd382de07c5f1fe15013806df11eaca87f055cf5c49affa0148e6632f71441454041162fcd9bc37edb
SHA1 hash: b4db331aff8b3f0af7bb85c62eee8cbf94a01242
MD5 hash: 4504b6bca11f1bb8cd7ee7f9695ae149
humanhash: four-maryland-green-missouri
File name:4504b6bca11f1bb8cd7ee7f9695ae149.exe
Download: download sample
Signature Formbook
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File size:77'312 bytes
First seen:2022-07-06 16:00:38 UTC
Last seen:2022-07-15 04:13:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 1536:ezvk2rT2pNeZB0b7nx0RGs7GgaD1UA2n3KH23vJwvTVIvVZT+W+0n4h:eI2rT2pNeZB0b7nx0RGs7GgaD1UA2n36
TLSH T17A7375A1F295C8DAEC6662B18C1FDD101152669ED4B1561E30DB3B3AA9F335310B7E0F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 79e4e4ccccc4c4c0 (11 x Formbook, 9 x RedLineStealer, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/285223/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27955.24296.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed zbot
Link:
https://www.filescan.io/uploads/62c5b1fc11764e36f81b4d21/reports/71ecafb7-ffa4-4de4-80a1-401d426b515d/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/44d8b948-15ce-4c8c-882f-d3423216f96b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1025749
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 658247 Sample: ET5MCtgW8P.exe Startdate: 06/07/2022 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 6 other signatures 2->39 10 ET5MCtgW8P.exe 15 3 2->10         started        process3 dnsIp4 31 192.227.228.34, 49741, 80 AS-COLOCROSSINGUS United States 10->31 29 C:\Users\user\AppData\...T5MCtgW8P.exe.log, ASCII 10->29 dropped 47 Tries to detect virtualization through RDTSC time measurements 10->47 49 Injects a PE file into a foreign processes 10->49 15 ET5MCtgW8P.exe 10->15         started        file5 signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 15->51 53 Maps a DLL or memory area into another process 15->53 55 Sample uses process hollowing technique 15->55 57 Queues an APC in another process (thread injection) 15->57 18 explorer.exe 15->18 injected process9 process10 20 WWAHost.exe 18->20         started        signatures11 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        25 explorer.exe 121 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
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Status:
Malicious
First seen:
2022-07-06 14:31:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5uuycsik27hy3ui7dibriwtei5xidygb2oa7dnfdx3rbsevqyfa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s3s3 rat spyware stealer trojan
Link:
https://tria.ge/reports/220706-tf7yaagga4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a
MD5 hash:
4504b6bca11f1bb8cd7ee7f9695ae149
SHA1 hash:
b4db331aff8b3f0af7bb85c62eee8cbf94a01242
Link:
https://www.unpac.me/results/3e1188b2-8ff5-42fc-a797-beb90f070a89/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf694c0a4856/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a

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
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Rule name:Skystars_Malware_Imphash
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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 bf694c0a4856be7c6e88f8d018a2d3223b740f060e9c0f8da51df710c895860a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2251294/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/285223/

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