MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368. 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 2 File information Comments
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SHA256 hash: b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368
SHA3-384 hash: 83a5a10f6cf9378690f0d1052cd36ec98a5e26cee358ae7a17b52f66c6560fbea1a0f820e25819ec87eafd5c813d65f5
SHA1 hash: de57413e7b4c0cae15131fa74b5575e1d9ba7e59
MD5 hash: 2cb81b073019a04a475626ad28126660
humanhash: blue-kitten-montana-stairway
File name:2cb81b073019a04a475626ad28126660
Download: download sample
Signature Formbook
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File size:906'240 bytes
First seen:2021-06-15 06:51:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Bu5kG1mj63drfp4fRAmiisnGKBqZzvj8bITWy:K1mj6tj6AlRBqlMIT1
Threatray 5'793 similar samples on MalwareBazaar
TLSH F115AD9C9159DFA4F07B1B380554C214A26BDCAF9531DA0EABA1FB7F2B373C38119261
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2cb81b073019a04a475626ad28126660
Verdict:
Malicious activity
Analysis date:
2021-06-15 06:55:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fcb2da62-af8e-4fc2-9a9f-0ee5ae29dc92

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/166396/
Detection(s):
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.21075.27175.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/66a7249f-0bf5-46a6-92ff-9d13d22b8838
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/802175
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 434568 Sample: kkaH2ZEdQ1 Startdate: 15/06/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM3 2->42 44 4 other signatures 2->44 8 kkaH2ZEdQ1.exe 7 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 28 C:\Users\user\AppData\Local\...\tmp7064.tmp, XML 8->28 dropped 30 C:\Users\user\AppData\...\JARxdQXnuhrhtB.exe, PE32 8->30 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 48 Tries to detect virtualization through RDTSC time measurements 8->48 50 Injects a PE file into a foreign processes 8->50 15 kkaH2ZEdQ1.exe 8->15         started        18 schtasks.exe 1 8->18         started        32 www.lp-groupe.info 213.186.33.5, 49739, 80 OVHFR France 12->32 34 www.digistore24-university.com 188.40.28.28, 49741, 80 HETZNER-ASDE Germany 12->34 36 www.cacacece.com 52.58.78.16, 49732, 80 AMAZON-02US United States 12->36 52 System process connects to network (likely due to code injection or exploit) 12->52 20 WWAHost.exe 12->20         started        file5 signatures6 process7 signatures8 54 Modifies the context of a thread in another process (thread injection) 15->54 56 Maps a DLL or memory area into another process 15->56 58 Sample uses process hollowing technique 15->58 60 Queues an APC in another process (thread injection) 15->60 22 conhost.exe 18->22         started        62 Tries to detect virtualization through RDTSC time measurements 20->62 24 cmd.exe 1 20->24         started        process9 process10 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368/
Threat name:
Win32.Backdoor.Androm
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Status:
Malicious
First seen:
2021-06-15 06:52:11 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
Formbook
2a728511ab345b4207ea5959439df12205796548388cc170b427110f9cc247dd
Formbook
46a43e78123a8400e4eecc145ab51509a3cd7baae19f450d5150bb762d0bc34e
Formbook
5aa64b3eef03b9c837e37102be20cb4f537c524b2a2531bf1bf6dd6a02461d7e
Formbook
7f81bdd235dca279812a46cec7f585bde9d681906dba1398e8ac86dfc877d079
Formbook
9433390a8374d47e62017b03c8d949af363e1f1aaa5247a2e320fc611c42f138
Formbook
988d84650b91424e291cb84ef84433cbd4214622365b226d925d71ffda0bccb8
Formbook
b96965d845c925b8dc0f3e4279ad4e571c1409891fee795bde704c5b1f063ce9
Formbook
d8e0edf1cca3b6edefcd830e233131c593997b5bd4454891dc1b70614862f718
Formbook
e8baf97ad51faed006287d1f01f921df0f677d4f056d35697158d30aa24ace9b
Formbook
+ 5'783 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210615-fn1apvkkr6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bigboomboxes.com/ybn/
Unpacked files
SH256 hash:
82fe42ffa7c2160c4ba79b666ba52f6dce210e0be5cbbb1419ddf3058215568b
MD5 hash:
a7c717e07a9e8fc3408914687859cf8a
SHA1 hash:
862f0e3f4f99c7674a540327ba08792e8a6cf5a1
Link:
https://www.unpac.me/results/6fb48518-9921-4944-ba02-b21a27c8ada2/
SH256 hash:
b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368
MD5 hash:
2cb81b073019a04a475626ad28126660
SHA1 hash:
de57413e7b4c0cae15131fa74b5575e1d9ba7e59
Link:
https://www.unpac.me/results/6fb48518-9921-4944-ba02-b21a27c8ada2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368

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 b8ede92590d43efb1edb31a19e4c28dc4fe4ecaf52be4bdd4ceae0a6caf26368

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1367786/
Cape
Cape
https://www.capesandbox.com/analysis/166396/

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