MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf8267515b516bbd024f13e14fd7433a05e4917b7b7af2509680823c9e2aff0c. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: cf8267515b516bbd024f13e14fd7433a05e4917b7b7af2509680823c9e2aff0c
SHA3-384 hash: f39a1b910521d7ac8a7d54b5b0da6ccde426b8eef2d4617d46f14bdd8d5c8ac868aabfac561995b51e5b3ed514f1ef2b
SHA1 hash: f0286a428fbb4c75e745c12d08ddc5763e5a5647
MD5 hash: 92270fddc5c354aa2f14c1e36005a03a
humanhash: oregon-hot-oscar-violet
File name:92270fdd_by_Libranalysis
Download: download sample
Signature Formbook
Create hunting rule
File size:814'592 bytes
First seen:2021-05-14 17:01:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:1rbHnRJSWWgJuZn/JcUIXQRAy3ftWtmSTOKfak0JC:1fHRJS7qA/6UTeQtW+Wake
Threatray 5'088 similar samples on MalwareBazaar
TLSH A505234893FAE129C53F14B864EE228A17F4F6C2A123FB672F6C50792E61755C8F3854
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 :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
92270fdd_by_Libranalysis
Verdict:
Suspicious activity
Analysis date:
2021-05-14 17:23:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0f131745-3929-4c41-ab42-6c048f3ae39d

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/156813/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/782132
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 414528 Sample: 92270fdd_by_Libranalysis Startdate: 14/05/2021 Architecture: WINDOWS Score: 100 31 www.newmopeds.com 2->31 33 www.3cheer.com 2->33 35 3cheer.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 92270fdd_by_Libranalysis.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\92270fdd_by_Libranalysis.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 92270fdd_by_Libranalysis.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 37 www.austinpavingcompany.com 74.220.199.6, 49749, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 www.lucytime.com 160.124.11.194, 49769, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 18->39 41 17 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses netsh to modify the Windows network and firewall settings 18->53 22 netsh.exe 18->22         started        signatures11 process12 signatures13 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
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf8267515b516bbd024f13e14fd7433a05e4917b7b7af2509680823c9e2aff0c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-11 20:04:14 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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b4881cc38748284029b7008aaf75c0f1f85a4dcb70a61425e787325736c83f36
Formbook
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Formbook
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Formbook
e849c7a7302e028b74f1f8d4c4bf715db8fde7fdb80747a4b791d7a3fde9d5e4
Formbook
+ 5'078 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210514-q3s3qa48cj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
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/cf8267515b516bbd024f13e14fd7433a05e4917b7b7af2509680823c9e2aff0c

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 cf8267515b516bbd024f13e14fd7433a05e4917b7b7af2509680823c9e2aff0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1233489/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1233490/
Cape
Cape
https://www.capesandbox.com/analysis/156813/

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