MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674
SHA3-384 hash: 9f82cf7fd93dd44de8fb30a626c9cf24283da10f59cae61cb509d21024262240c47d13f2fc6c0ecd81a45be6fcbfe3e8
SHA1 hash: 18545c7e2f533945c6c5113686a1e8f049500020
MD5 hash: b3580fc99e1418bfff88a27476bff8d5
humanhash: mars-eight-september-potato
File name:GDs-#09283 DIAGRAM AND PRODUCT SPECIFICATIONS.pdl.exe
Download: download sample
Signature Formbook
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File size:411'136 bytes
First seen:2021-10-18 12:49:09 UTC
Last seen:2021-10-20 12:44:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:p3M+/sYvqQ0WFmrkFib5uMuNXqvmwGc7kcFVpNB+aUkpETmQB+OGWRt9TS/Ks3JU:p3ZRCfXrgi1qVSGc7fNB1pKB+cOKs5U
Threatray 10'856 similar samples on MalwareBazaar
TLSH T105940214B789822FCF1805B470D2E3996774EC233A83D79B4D8631FE9AB7BC55E80166
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/198207/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/616d6d81a9d585e6d52bf013/reports/8699e58a-fd5f-44f1-918a-2933e9a2d133/overview
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5e7563e-1f60-4c49-8a6a-6853e99ef1de
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/872311
Signature
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 submitted file
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 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 504739 Sample: GDs-#09283 DIAGRAM AND PROD... Startdate: 18/10/2021 Architecture: WINDOWS Score: 100 31 www.karenradunz.com 2->31 33 www.figureinfo.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 GDs-#09283 DIAGRAM AND PRODUCT SPECIFICATIONS.pdl.exe 3 2->11         started        signatures3 process4 file5 29 GDs-#09283 DIAGRAM...CATIONS.pdl.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 GDs-#09283 DIAGRAM AND PRODUCT SPECIFICATIONS.pdl.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.llastra41.com 93.191.156.249, 49799, 80 ZITCOMDK Denmark 18->35 37 kratom-kaufen.com 81.169.145.158, 49807, 80 STRATOSTRATOAGDE Germany 18->37 39 13 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses ipconfig to lookup or modify the Windows network settings 18->51 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-18 03:06:39 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsat7ja7l4judwwhb72mgrz5mrd4bpiow3ehz532wyvimtonez2a._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
64e3a0f2298f21833eb7a9c51aa0b2b8d3354bdcefb0156bb34371e3163d8b3d
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
8e07ed824686ab14225bec681819b2844d512eb9d78b7884f30a79adef5bab43
Formbook
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
Formbook
c5ccdeea44050d8be9cf04b42ba6336dfd81e4a930ec6cd916f5f4e3a5f713bb
Formbook
cf3038247c7a2a5779f655fdf594bdad56b22d198b6edb1c3197b84d9c4f153a
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
ee3ae7c76f41fab122d32494212625226a1784fb209b46b657272f0f3f0158b9
Formbook
+ 10'846 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:huve loader rat suricata
Link:
https://tria.ge/reports/211018-p2zftaeefp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.thethomasgrouphomes.com/huve/
Unpacked files
SH256 hash:
8c625b5630814017aa4d9645c2af6697614e3ff1e87b122e88fb24a462bdc962
MD5 hash:
142b9b0c80bda86b4ae258a1799fd538
SHA1 hash:
e89261ca56a78959dffa41da3dda85b0d0433e6c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/eed64bda-056d-41ab-8683-e99e8196f7e0/
Parent samples :
8e07ed824686ab14225bec681819b2844d512eb9d78b7884f30a79adef5bab43
8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674
260472d8397219a6a202a4168b806c0879be49c60cca08fda308adccdd5cb809
3817ce74e0428b78c0394a0f603fb30c01e30e3be4d93909ddd5397e43813881
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
Link:
https://www.unpac.me/results/eed64bda-056d-41ab-8683-e99e8196f7e0/
SH256 hash:
2382c35517014b308aafee3cccecdc7e6a0bd69148539a6c046ef7de40fbe275
MD5 hash:
1a910103aea2c0af63cad0e89dc173c2
SHA1 hash:
0643f3104563971b16bc82178f874fb08e29c82a
Link:
https://www.unpac.me/results/eed64bda-056d-41ab-8683-e99e8196f7e0/
SH256 hash:
8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674
MD5 hash:
b3580fc99e1418bfff88a27476bff8d5
SHA1 hash:
18545c7e2f533945c6c5113686a1e8f049500020
Link:
https://www.unpac.me/results/eed64bda-056d-41ab-8683-e99e8196f7e0/
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/8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674

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.

Malspam

Formbook

Executable exe 8c813fa41f5f1341dac70ff4c3473d6447c0bd0eb6c87cf77ab62a864dcd2674

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198207/

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