MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815. 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: 55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815
SHA3-384 hash: c231198fd1155ad65bae0c8d51e93a2c88512c1b1d89d81cd0956f993b497d9bf246aa9a7767d39f06ed2e88147384aa
SHA1 hash: 4bf65f80d04d4cd04196e28a92636f02c8979edf
MD5 hash: 89a869dd583d8caa18a9a328a3008ba0
humanhash: vegan-sink-angel-magazine
File name:89a869dd583d8caa18a9a328a3008ba0.exe
Download: download sample
Signature Formbook
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File size:47'616 bytes
First seen:2022-03-07 10:13:32 UTC
Last seen:2022-03-07 11:52:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:7ek4LUR/T+x+uZQfeQHICoXFErmt0EzMlMnFBClZjJ40sus+22f:p4gT+UuZPQHRUEg0D+ud4LuL
Threatray 13'919 similar samples on MalwareBazaar
TLSH T1E6233921F39D837BCADF4BB9A16935150378EB22F643D7858CC6A1E9300A7D05920BE7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/247857/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.21002.18199.20412.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Result
Verdict:
MALICIOUS
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/ac16e907-ca96-4d5e-a23a-900c0d1c77e1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951725
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584208 Sample: 344tINhNi8.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 32 www.g3taquotea.info 2->32 34 www.estrellafiamma.biz 2->34 36 store-images.s-microsoft.com 2->36 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 7 other signatures 2->60 11 344tINhNi8.exe 15 3 2->11         started        signatures3 process4 dnsIp5 44 olypath.com 2.59.119.2, 49744, 80 ONLINENETTR Turkey 11->44 30 C:\Users\user\AppData\...\344tINhNi8.exe.log, ASCII 11->30 dropped 72 Tries to detect virtualization through RDTSC time measurements 11->72 74 Injects a PE file into a foreign processes 11->74 16 344tINhNi8.exe 11->16         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 Queues an APC in another process (thread injection) 16->52 19 explorer.exe 16->19 injected process10 dnsIp11 38 thgn6.xyz 45.38.117.235, 49773, 80 EGIHOSTINGUS United States 19->38 40 www.carlym.com 156.226.85.46, 49775, 80 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 19->40 42 2 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 64 Performs DNS queries to domains with low reputation 19->64 23 msiexec.exe 19->23         started        signatures12 process13 signatures14 66 Self deletion via cmd delete 23->66 68 Modifies the context of a thread in another process (thread injection) 23->68 70 Maps a DLL or memory area into another process 23->70 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-03-07 05:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 27 (66.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
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Formbook
57037671020fbbcf7e45114c351297ed8ccf818410c36aa4030434bc41ce86b3
Formbook
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c7ceb2adec0ec0d5d01cbbc2753f0c2ddfc149c2e4daa47a519f44604ea5e557
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Formbook
f63ca508c3ea24625418ebfff72faa49193fdf16c8f2e2b8b7839eaf2f301200
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 13'909 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:w6ot loader rat
Link:
https://tria.ge/reports/220307-l9nshadbe3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Downloads MZ/PE file
Xloader Payload
Xloader
Unpacked files
SH256 hash:
55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815
MD5 hash:
89a869dd583d8caa18a9a328a3008ba0
SHA1 hash:
4bf65f80d04d4cd04196e28a92636f02c8979edf
Link:
https://www.unpac.me/results/e24a72f0-5d09-4bb6-bd60-19b6e4e38305/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/55f2a165cf02/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/55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815

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 55f2a165cf0284c07d8946b8b5b461adf801fd1dc5d84445d24cd2960cd46815

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2070349/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/247857/

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