MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793. 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 2 File information Comments
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SHA256 hash: 22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793
SHA3-384 hash: 276630f4b0a8aea3bd27342a49ffaec1bb4d7a0e7864368485db1d9194aaf74de1da261098ba11ba9a62b14d45f4c4c6
SHA1 hash: e3672116b4715dbe7bb828a793feeada8bf91ef8
MD5 hash: 8be15b19f6f202c38dae3f5145363c69
humanhash: floor-ceiling-iowa-fourteen
File name:8be15b19f6f202c38dae3f5145363c69.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:415'744 bytes
First seen:2022-01-18 18:31:54 UTC
Last seen:2022-01-18 22:19:28 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:yfYdy7QBJbIDsU9p38CUoTnkJvZ0FPkRRRRRER:cY0QBJboXUozkv0BkRRRRRER
TLSH T10394121E92CC7667C5B80779FC92208CE3F4E54B7791DB8A1C48B495BC52BE16D026B3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8be15b19f6f202c38dae3f5145363c69.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-19 03:47:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6a6811e8-6a6b-4856-9627-b71bbfc13a08

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220318/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS 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/61e707a8f81da814af8cf9b2/reports/e0d0921f-08ad-4729-ba7a-da61af428080/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/416e60af-430c-4a8c-9992-5b3656e72683
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/922735
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 555210 Sample: ovuTrVFaYt.exe Startdate: 18/01/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 5 other signatures 2->39 10 ovuTrVFaYt.exe 3 2->10         started        process3 file4 29 C:\Users\user\AppData\...\ovuTrVFaYt.exe.log, ASCII 10->29 dropped 49 Tries to detect virtualization through RDTSC time measurements 10->49 14 ovuTrVFaYt.exe 10->14         started        signatures5 process6 signatures7 51 Modifies the context of a thread in another process (thread injection) 14->51 53 Maps a DLL or memory area into another process 14->53 55 Sample uses process hollowing technique 14->55 57 Queues an APC in another process (thread injection) 14->57 17 explorer.exe 14->17 injected process8 signatures9 31 Uses netsh to modify the Windows network and firewall settings 17->31 20 netsh.exe 17->20         started        process10 signatures11 41 Self deletion via cmd delete 20->41 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        25 explorer.exe 2 155 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-18 18:32:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ot22 rat spyware stealer trojan
Link:
https://tria.ge/reports/220118-w6m2xacdg3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3b5277be9cf87decc4932da80e6d1b98f1e2c988a6338ed08f9b39cfa4016ab8
MD5 hash:
58b8d6bafa1e9cfa34b46fa68cfd0d50
SHA1 hash:
6f7b1ca5b70bc8ac83a82e3bd582fe68980ba913
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f401ef2a-f007-4e8b-b97e-0f0c6691909c/
Parent samples :
22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793
114505961db31e8df89e72793bdab23348cfde742a30cfd7171047a61d23af84
d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149
8c2c738ee2230ec142259f31fc60cd23ce3bac65dec24427437ec79250fa3653
SH256 hash:
4a4214bd09feb21786ab93d57c3a5d6b9532a2eb3e12ed7372ae0e02071ab2ae
MD5 hash:
c8f62219b8a685e53792551270e9bf32
SHA1 hash:
ee8f43707dcd37609134ff91f2dc892f7cf29f72
Link:
https://www.unpac.me/results/f401ef2a-f007-4e8b-b97e-0f0c6691909c/
SH256 hash:
505e2399f8ea8c7703d6eb618d704eacc73c2ca91cfbfca074d92bf1e518e3af
MD5 hash:
f01ecc839ff879e6f59ee20b213d404a
SHA1 hash:
22c0e4a35e9705a5b582b845fd9a58d58c999bd4
Link:
https://www.unpac.me/results/f401ef2a-f007-4e8b-b97e-0f0c6691909c/
SH256 hash:
22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793
MD5 hash:
8be15b19f6f202c38dae3f5145363c69
SHA1 hash:
e3672116b4715dbe7bb828a793feeada8bf91ef8
Link:
https://www.unpac.me/results/f401ef2a-f007-4e8b-b97e-0f0c6691909c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/22633ca2e23a/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/22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 22633ca2e23a6d2353a4a2a4f87b02548fc9c9e92b4e482df9bae8e93c17b793

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1907407/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/220318/

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