MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5. 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 3 File information Comments 1
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SHA256 hash: f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
SHA3-384 hash: 80a599987b1b8941f522aaba63b6b17797e221ad17d71806edcc9581abd9d8b63946cbce721a1dc24e9f81a0d4f22d8d
SHA1 hash: e4c5f155d67e41d87e84593d55f9ba45e0ed58ae
MD5 hash: af594d3a1f091246b196ac370b8b4900
humanhash: batman-wisconsin-summer-crazy
File name:af594d3a1f091246b196ac370b8b4900
Download: download sample
Signature Formbook
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File size:515'584 bytes
First seen:2021-10-19 09:52:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:8VyZZmAuvXRKznOlt1cKU0NTkiVucHeKGMhhn7V2/l4WLMMHvLTe6ncX7jGhUc5a:8ln3TOz7r0Voe1
Threatray 10'883 similar samples on MalwareBazaar
TLSH T166B4D0057654ED5FC85E4E3A94345C220B6268278306F3436DDB3ECF7D9DB828A2A35B
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/198444/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.17696.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616e9585db358dd15ec3acc7/reports/5d29a6ae-8c3a-4f6e-9525-2bb98331b22a/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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/305b17aa-982f-4f29-9077-53b495d0b9da
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/872992
Signature
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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
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: 505420 Sample: EvxSSUyNfJ Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 31 www.sergeantrandom.net 2->31 33 parkingpage.namecheap.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 11 EvxSSUyNfJ.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...vxSSUyNfJ.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 EvxSSUyNfJ.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.girldollg.xyz 104.21.40.27, 49792, 80 CLOUDFLARENETUS United States 18->35 37 crgcatherine.com 184.168.131.241, 49787, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->37 39 www.crgcatherine.com 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 cmd.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-19 09:53:09 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
009e6b48b7d9b2a802d6e831138b1e55c4390861c123287e134bbc21f8a6e225
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
98257df783e840e80743c3482da475c0a8b0505b1eef573c4f7c968a9e53cdfb
Formbook
afb0dcb294330abe26a2e2611f36441607a878844a251bea8be3e9407e238ad8
Formbook
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180
Formbook
+ 10'873 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ed9s rat spyware stealer trojan
Link:
https://tria.ge/reports/211019-lwnkksgeak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.vaughnmethod.com/ed9s/
Unpacked files
SH256 hash:
74605ccb79176e2b2bd8795845f4c0dd5b9ff6a1344f3ff0bdb3ccdf9a17af56
MD5 hash:
eb9247aeab44b54422a0a0cc4adbe7c7
SHA1 hash:
2ff0478139920ab6dd4cf65530465f9fc702caa3
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/e67ea699-6510-413b-919c-a5015044b7fb/
Parent samples :
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
46ce2096cf4b2b0a2dfa386e25baa17078c270a469ae6704e36611fb7c67f908
76cd5f994be53f3f24e2b2018263b9ab582e84870ee8d24f38c6d11adae3688c
4a028b7f272dd96c75716d2268b551576a01ebccaca97bb19da43ec21dbe8514
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
Link:
https://www.unpac.me/results/e67ea699-6510-413b-919c-a5015044b7fb/
SH256 hash:
8872dbec3ee0e0368ca4f41fa512a63722a1cc4488f98ba6d160ffd62c0d411e
MD5 hash:
410415e39c00d729487fcf82a14e72a1
SHA1 hash:
6390a7a774accdc4fe5a39effab4d346e4079b9c
Link:
https://www.unpac.me/results/e67ea699-6510-413b-919c-a5015044b7fb/
SH256 hash:
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
MD5 hash:
af594d3a1f091246b196ac370b8b4900
SHA1 hash:
e4c5f155d67e41d87e84593d55f9ba45e0ed58ae
Link:
https://www.unpac.me/results/e67ea699-6510-413b-919c-a5015044b7fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5

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: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 f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1695664/
Cape
Cape
https://www.capesandbox.com/analysis/198444/

Comments


Avatar
zbet commented on 2021-10-19 09:52:27 UTC

url : hxxp://uploadingpanel.xyz/obinnazx.exe