MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e
SHA3-384 hash: 5c50316ff8c9a87fc5afddd30335507437a2b5ab8969b1e7b12f3058f7059635a2082797e7e8be13265b9c4d64715a00
SHA1 hash: a563615dfe562e7a11c2b7f21dcfcd412594eeee
MD5 hash: 089175069d5c095f078b7f8a3b28a22d
humanhash: july-avocado-eight-victor
File name:08917506_by_Libranalysis
Download: download sample
Signature Formbook
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File size:687'616 bytes
First seen:2021-05-04 11:01:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZEs0fKWP7eUMU/5r1Dss1duGwRIoX9KFm2ZNQSIpPyK58yP:Zz0TeUr/rD8RxX9K8aNQ3yKuyP
Threatray 7'643 similar samples on MalwareBazaar
TLSH F8E4CF233294AF69F1BE973940225600B3F1B507E763D68E7D9645CE0AA5FC0C362F96
Reporter Libranalysis
Tags:FormBook


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a563615dfe562e7a11c2b7f21dcfcd412594eeee
Verdict:
No threats detected
Analysis date:
2021-05-04 10:35:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4dba3a68-b0b6-4d7c-8af8-9df8b9863d2e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
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Result
Verdict:
Malware
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/709956
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: System File Execution Location Anomaly
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
Uses ipconfig to lookup or modify the Windows network settings
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 dnsIp2 2 Behavior Graph ID: 403903 Sample: 08917506_by_Libranalysis Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 41 www.arpinaindustriesllc.com 2->41 43 arpinaindustriesllc.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 10 other signatures 2->57 11 08917506_by_Libranalysis.exe 9 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\OfCxSfBf.exe, PE32 11->33 dropped 35 C:\Users\...\OfCxSfBf.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpFA9B.tmp, XML 11->37 dropped 39 C:\Users\...\08917506_by_Libranalysis.exe.log, ASCII 11->39 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 11->71 73 Tries to detect virtualization through RDTSC time measurements 11->73 75 Injects a PE file into a foreign processes 11->75 15 08917506_by_Libranalysis.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 genialnetero.com 162.241.62.33, 49727, 80 UNIFIEDLAYER-AS-1US United States 20->45 47 firstcoastelope.com 67.222.39.83, 49734, 80 UNIFIEDLAYER-AS-1US United States 20->47 49 16 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 61 Performs DNS queries to domains with low reputation 20->61 63 Uses ipconfig to lookup or modify the Windows network settings 20->63 26 ipconfig.exe 20->26         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67 69 Tries to detect virtualization through RDTSC time measurements 26->69 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-05-04 10:54:32 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c43zpj5hvca7hvrdaakwec5ofdjbws2bw7swrqviqgz4bau52z7a._file
Verdict:
malicious
Similar samples:
170eb254fe7cae506272dd7f934000734f55648fcefab6843eca50311a98a07d
Formbook
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
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37a8922f49037f65771bc1e4ab9d7fbb4b1c27ce2bc79fe618705f4d90ad7615
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4bed9bf05fbe39e5c647087ae6384aba6aeef1f7cb730df31d87a40abd4bc7fe
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
788510bf3fc20aacc76bd0ed1884ff8452f4e79023f2f3ad3072efbd7e74139d
Formbook
c889674476922af3c1a1d98a9f03897710d3304dcaeae7ab8b7bc98de854f6ad
Formbook
cd292d4cdb5ff8f2de087a09de2a152722d910f1df7ce7b65e6480be9ae77fdf
Formbook
fc40a65deca750ecaf6d9f0d69abe788ba2febc8f366cdd55fcb97cafe171b3d
Formbook
+ 7'633 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210504-yssrvts7pe/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.evrbrite.com/o86d/
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/cf967d99-45f0-4ed3-888c-673acaf0dec6/
SH256 hash:
173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e
MD5 hash:
089175069d5c095f078b7f8a3b28a22d
SHA1 hash:
a563615dfe562e7a11c2b7f21dcfcd412594eeee
Link:
https://www.unpac.me/results/cf967d99-45f0-4ed3-888c-673acaf0dec6/
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/173797a7a7a881f3d6230015620bae28d21b4b41b7e568c2a881b3c0829dd67e

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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File information

The table below shows additional information about this malware sample such as delivery method and external references.

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