MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
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SHA256 hash: 3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b
SHA3-384 hash: 936a98e6658fbf1e1dffd83f2b40c97c881931ec823217ed44472dc6525ed789f0984a0c22e93f2946999bb5fc70c16a
SHA1 hash: 2ab30ddc845cf8664fbc96f82263f89fca255cec
MD5 hash: fdebcac35105439faeecb9658e617a8c
humanhash: beer-may-wyoming-finch
File name:fdebcac35105439faeecb9658e617a8c
Download: download sample
Signature Formbook
Create hunting rule
File size:402'432 bytes
First seen:2021-10-28 11:39:07 UTC
Last seen:2021-10-28 12:50:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:nkfQszGNMqXDxb1wBFje0l92Djx9rccp:k5dAbqTjBlEx9rcK
Threatray 10'892 similar samples on MalwareBazaar
TLSH T1208402067799C363C0DC8FFE80A70AA413B66A376192E7552BC071DE5E73790AE606C7
File icon (PE):PE icon
dhash icon 4d4dcde666b20f27 (9 x AgentTesla, 8 x Loki, 6 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200911/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.18742.9345.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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617a8c179a5a1e91c5d9b76d/reports/f9e3c238-f9d9-4966-9f25-2a3137d78ecd/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/e8dbd1cd-7d2e-4775-9c32-04e88b50c530
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/878529
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 510962 Sample: E2fRw6Iv6y Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 10 E2fRw6Iv6y.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...2fRw6Iv6y.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 E2fRw6Iv6y.exe 10->14         started        17 E2fRw6Iv6y.exe 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.shophere247365.com 172.67.187.132, 49791, 80 CLOUDFLARENETUS United States 19->32 34 www.solvedfp.icu 149.28.85.108, 49787, 80 AS-CHOOPAUS United States 19->34 36 www.primetimesmagazine.com 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 WWAHost.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-28 10:35:54 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
Formbook
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d
Formbook
29df0bb962a305621b5f1d2a5cf0eaeae9381872e2a329230e833e6db7c999fa
Formbook
37f6df44b9dd38408fe5682c6d660eceb04a2915b3420576afce05bf3076bc01
Formbook
3c4aa39e200cb4303a3e5970bbedb5a1bb1baa656c3fc2286f82392a91e4a4ea
Formbook
3cb62c9b4ec92c70df9795f481ccb5b50fd4f260441c23edcaf97c23396bf502
Formbook
9b6b00b331ea48d5477fbd0ec6e168407dcec59c758eb797c9672d2f74dba12a
Formbook
a0cea434baf3e56def0762e975e5c623c47f5ed75edbb6826ee594e260832c31
Formbook
dfe96798a6065c99050d1cb964200874b40e3916f90e3caed35df9ace3dc3198
Formbook
+ 10'882 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:kzk9 rat spyware stealer trojan
Link:
https://tria.ge/reports/211028-nsw4nagcck/
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.yourmajordomo.com/kzk9/
Unpacked files
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/0dbad4b5-3abb-413a-9763-d6e1524828a8/
SH256 hash:
8c668a7612d38939e33f758227e31064016d082e2f571d014add8df764588f85
MD5 hash:
736a2700d59b30fdbfa8491c01137c75
SHA1 hash:
1bb9c32a3271ff7eb5ebe3ee71ec38076f4d6eb2
Link:
https://www.unpac.me/results/0dbad4b5-3abb-413a-9763-d6e1524828a8/
SH256 hash:
24dababb2670cdb4fdc98f11ab48e8fc0a44ce20aea877fb745280f853f9a63c
MD5 hash:
bc6f922c2742d7fcf828a0d4d0276750
SHA1 hash:
069353b0142b81289358f492e886798610f4a438
Link:
https://www.unpac.me/results/0dbad4b5-3abb-413a-9763-d6e1524828a8/
SH256 hash:
9d083e6711fa05d81808595ccb256ebec25439983acc2a4d9bf991a31767fc9e
MD5 hash:
d4aad17cf070ec0b2ebc71e1c86b5d48
SHA1 hash:
cf86991474de99b5998fd75f68b56dcb4e5879f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0dbad4b5-3abb-413a-9763-d6e1524828a8/
Parent samples :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 hash:
3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b
MD5 hash:
fdebcac35105439faeecb9658e617a8c
SHA1 hash:
2ab30ddc845cf8664fbc96f82263f89fca255cec
Link:
https://www.unpac.me/results/0dbad4b5-3abb-413a-9763-d6e1524828a8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3f8d5d1f035d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b

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
Create hunting rule
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 3f8d5d1f035d14a94abe8191fb35dd70961af3590ec61a0e90afdb322cd5e18b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/200911/
  
URLhaus
https://urlhaus.abuse.ch/url/1722933/

Comments


Avatar
zbet commented on 2021-10-28 11:39:08 UTC

url : hxxp://103.147.184.178/IBM8561/dllhost.exe