MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23. 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: e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23
SHA3-384 hash: 12017e6e91ae1d9a2d692f691baf31acb4f9e1ebe750f570fbb10535ad92565cbd181a458876847093ed3ecbdc01dc2e
SHA1 hash: 4deba8fb8c4795d0175a96c2267f465de8d62e4f
MD5 hash: 9adb6ecb507d5f2d85a4bd09ceee4e7c
humanhash: timing-five-oscar-paris
File name:9adb6ecb507d5f2d85a4bd09ceee4e7c
Download: download sample
Signature Formbook
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File size:343'040 bytes
First seen:2021-11-16 08:15:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:8ljPzznb3CwYGziI+ii1Qi9IiQxCO4uEnaGEdI2DpW9RYJ24EA3bbGM/C:8t3nbyQz7+XKiCiA4ueF2Dofq2O3WX
Threatray 11'211 similar samples on MalwareBazaar
TLSH T1EE7402575BFD8B1AC96D47FEA064124503F1A20D6863F74A0FA074DE3E737A18614BA3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/206255/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.1029.3714.7976.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619368c643e8f62b6694fe81/reports/0a10fe85-fec5-4fd4-840c-b73b83261aac/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/37dff8eb-5f97-42a7-a3c0-b6b28bc9b70a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/890206
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)
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
Self deletion via cmd delete
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: 522677 Sample: ee8cUfEdSu Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 31 www.defendingdata.com 2->31 33 HDRedirect-LB7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 6 other signatures 2->41 11 ee8cUfEdSu.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\ee8cUfEdSu.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 ee8cUfEdSu.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 raserver.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 153 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-16 08:35:34 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
115716164b2092df207c750d11a2b4ce05bee204b7f21f1f62d93a5b7d78afa1
Formbook
4bb96dffcc0b4cba1f4ee2ed04e32d724e486c88b0e8492b3e5efb1ec0928c0e
Formbook
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
Formbook
79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
7d9a7c06ad6bdf4b58d325900a940f3bf830862d108c8cf58d3d77982b87f8c2
Formbook
8a06952d6813cdf16373f8cb78947caba6f7bf69ce47da0178554da3076945db
Formbook
d2a727f2af1ff844439a4b0d68328cc0a92fd4de8537dbc5df4d397c80c03707
Formbook
edcdd866b9fcf94a140c0b2586a8dab412c41777e4c3d74d876cf85cf48dbf85
Formbook
+ 11'201 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:h6eg loader rat
Link:
https://tria.ge/reports/211116-j55t4schb8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.volkcarteil.com/h6eg/
Unpacked files
SH256 hash:
54b1d89aa6b716b71f2d1caafafbabedf25fa13c2a0f50abbe0f0502a7c64f72
MD5 hash:
8d157b08f3d59febc92cc60f29b5af85
SHA1 hash:
ae7457e58871e019e9fef7adce957ff6d14b11c9
Link:
https://www.unpac.me/results/389b2737-ef94-45ea-928e-cfad7aa82fef/
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/389b2737-ef94-45ea-928e-cfad7aa82fef/
SH256 hash:
1ca10f7d7ffb2cec47c019cd86b9bd93ed12c672f970eb715fa1d417cc54a667
MD5 hash:
8587b452a74bb781ece4c4c39c8855ba
SHA1 hash:
543c1b6720f78d6c42fee519f70f39c758f8a055
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/389b2737-ef94-45ea-928e-cfad7aa82fef/
Parent samples :
79f6d6d77052c081fc2c0424fdd13f058d168dd1efbd9c5f2a831afe243aa241
d2a727f2af1ff844439a4b0d68328cc0a92fd4de8537dbc5df4d397c80c03707
8a06952d6813cdf16373f8cb78947caba6f7bf69ce47da0178554da3076945db
e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23
172b6843a7e40f00ec861c944f8247207bc5ce4acc8c7fadac922313f141da1f
SH256 hash:
e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23
MD5 hash:
9adb6ecb507d5f2d85a4bd09ceee4e7c
SHA1 hash:
4deba8fb8c4795d0175a96c2267f465de8d62e4f
Link:
https://www.unpac.me/results/389b2737-ef94-45ea-928e-cfad7aa82fef/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23

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 e4a3c9c90a99feca0382911cb176a428c72e5ab7c4fe2dbb83f3872aac10ee23

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1791798/
Cape
Cape
https://www.capesandbox.com/analysis/206255/

Comments


Avatar
zbet commented on 2021-11-16 08:15:47 UTC

url : hxxp://103.149.12.116/p80186/.csrss.exe