MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a. 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 3 File information Comments
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SHA256 hash: 76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a
SHA3-384 hash: 6b9d340be7c0b33e2935160ce3369adf3b44ab46c1442e152d82dbff7979d4a09eb515bb18c314c927f741c5df176758
SHA1 hash: 195061e9ab8b7b97d1dcc89367e318b97f153215
MD5 hash: 0f093e0479b62c5b0ab37c8f89afa3bf
humanhash: nineteen-mexico-moon-idaho
File name:0f093e0479b62c5b0ab37c8f89afa3bf.exe
Download: download sample
Signature Formbook
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File size:1'129'472 bytes
First seen:2021-10-06 09:26:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:3TgZU4FdrkAD5in8Ie1Vcn5OY7sQhPyVXx:3Tgu4HkADc8IegHhPyVh
Threatray 8'447 similar samples on MalwareBazaar
TLSH T1E635BF65778A6BA2D99C0F3AD817804087F08C271736F76F24D12FD61D29ADB9B0F192
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/195408/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615d6be9e3d213d202b85708/reports/63c81bb1-f1f0-48f9-8e53-944ea917e9d6/overview
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59c1d3a6-2f4c-4a5a-8992-50ddddfa0b1f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865439
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497865 Sample: 1EIIo82vvr.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 32 www.brulkikkr.com 2->32 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 6 other signatures 2->50 11 1EIIo82vvr.exe 15 4 2->11         started        signatures3 process4 dnsIp5 34 www.google.com 142.250.203.100, 443, 49746 GOOGLEUS United States 11->34 28 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->28 dropped 30 C:\Users\user\AppData\...\1EIIo82vvr.exe.log, ASCII 11->30 dropped 58 Writes to foreign memory regions 11->58 60 Allocates memory in foreign processes 11->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->62 64 Injects a PE file into a foreign processes 11->64 16 AddInProcess32.exe 11->16         started        file6 signatures7 process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 2 other signatures 16->42 19 explorer.exe 16->19 injected process10 process11 21 mstsc.exe 19->21         started        signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-06 09:27:07 UTC
AV detection:
21 of 45 (46.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
7cd5e61342f0cfa2fe97d0db905e8c012a2d6d32e410df84e865f8460d2c4b00
Formbook
85eb901d5863c16a7526addfb18464967c45348aec3e1d1bf6014958fa4aff8f
Formbook
914c79c23d30b4df795779800b6e14ac42bec2dc618d11d7c0b526960fc6283c
Formbook
a86f792a5a3d424b756508cb462d3ca9b454f2513a5471df5d41da33649748e9
Formbook
b0cb75ec80235b836d03b9dc5d5c0869f01e914f558803db9c15ad978c033dd1
Formbook
d9bdfeb51aaa4192014f7263a7613a7cc812d3e7fbfbf5fcee5458ca1e58c04b
Formbook
ec744aeae689c95f44a24eb398e65c3a722595de5504db84b2e41488f30a7510
Formbook
ee8c208f53919c701500c2383d7f2fc28ace3493a4f4c354bfedae9cffe6950f
Formbook
f7daabadaa1974b529e8db367a07d128b60724cc54c4dfcc008c35c124b77929
Formbook
fb1efc79e627fcc4485b3bbde9d948f673172715a7fb165f373f79ba31671fb8
Formbook
+ 8'437 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gst0 agilenet rat spyware stealer trojan
Link:
https://tria.ge/reports/211006-lerkxaahf3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.themmbcollection.com/gst0/
Unpacked files
SH256 hash:
76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a
MD5 hash:
0f093e0479b62c5b0ab37c8f89afa3bf
SHA1 hash:
195061e9ab8b7b97d1dcc89367e318b97f153215
Link:
https://www.unpac.me/results/a50624e2-3cf0-4078-851d-e974ac97981e/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/76a994f848b7/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/76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a

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 76a994f848b7bb6bb99bed1184896239219e70d0ba43c0b59e1ddd8b62827e2a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1645287/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195408/

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