MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1101eea5587276e13c0adc7660cd5ad38595ba2ed73d85874fb2963b2e0f5259. 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 3 File information Comments 1

SHA256 hash: 1101eea5587276e13c0adc7660cd5ad38595ba2ed73d85874fb2963b2e0f5259
SHA3-384 hash: 65cc39b48a4cd68589780b81ba0bfbbdee23117d63190840f257b321c25d641b9a22ac1c99b47dafc28e5b3b942a3e71
SHA1 hash: 4b31e0eeebb46529270006755f47895b6effa923
MD5 hash: a66216ae3ce6b9179a2afdaa47c64524
humanhash: undress-red-juliet-lion
File name:a66216ae3ce6b9179a2afdaa47c64524
Download: download sample
Signature Formbook
File size:901'632 bytes
First seen:2021-10-05 10:19:00 UTC
Last seen:2021-10-05 10:53:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:MDBlCbl0g3DJUs3DJUVF3DJUBNqx/xJqf59ZFfU7i9MXc6zCt:SC7zJ/zJqzJgQ+xlUO9ocQCt
Threatray 8'385 similar samples on MalwareBazaar
TLSH T19315495222C91B66E03E97BA91746049EFF1F597C325C98ABCDE42F70F71F815A13A02
File icon (PE):PE icon
dhash icon aa13f04d69706d9e (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a66216ae3ce6b9179a2afdaa47c64524
Verdict:
Malicious activity
Analysis date:
2021-10-05 11:43:31 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497105 Sample: kPU2pSoQD3 Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 36 www.canalsidespeech.com 2->36 38 ext-sq.squarespace.com 2->38 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 11 kPU2pSoQD3.exe 15 4 2->11         started        signatures3 process4 dnsIp5 46 textbin.net 51.79.99.124, 443, 49756 OVHFR Canada 11->46 32 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\...\kPU2pSoQD3.exe.log, ASCII 11->34 dropped 72 Writes to foreign memory regions 11->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->74 76 Injects a PE file into a foreign processes 11->76 16 AddInProcess32.exe 11->16         started        file6 signatures7 process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 16->48 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 2 other signatures 16->54 19 explorer.exe 16->19 injected 23 svchost.exe 1 16->23         started        process10 dnsIp11 40 www.saamcoheir.quest 37.123.118.150, 49834, 80 UK2NET-ASGB United Kingdom 19->40 42 www.baumer-instruments.com 89.31.143.1, 49832, 80 QSC-AG-IPXDE Germany 19->42 44 4 other IPs or domains 19->44 64 System process connects to network (likely due to code injection or exploit) 19->64 25 chkdsk.exe 19->25         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68 70 Tries to detect virtualization through RDTSC time measurements 25->70 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-10-05 10:19:05 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:hr8n loader rat suricata
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.pochi-owarai.com/hr8n/
Unpacked files
SH256 hash:
1101eea5587276e13c0adc7660cd5ad38595ba2ed73d85874fb2963b2e0f5259
MD5 hash:
a66216ae3ce6b9179a2afdaa47c64524
SHA1 hash:
4b31e0eeebb46529270006755f47895b6effa923
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 1101eea5587276e13c0adc7660cd5ad38595ba2ed73d85874fb2963b2e0f5259

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-05 10:19:01 UTC

url : hxxp://107.172.93.10/brycom/aza.exe