MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 866496aa4a398485ff3fff066cb415292e89cab50df86551e026fd0850f0a348. 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 3 File information Comments

SHA256 hash: 866496aa4a398485ff3fff066cb415292e89cab50df86551e026fd0850f0a348
SHA3-384 hash: 0cd4a07e4961d9c46f1d9b828e169aa45a710ca74443dd0777698fa4e04eb6b0d1844a013baa42bf47d1545808099724
SHA1 hash: 3bff903f56dc24e15a0df626184ddb535ee54cc9
MD5 hash: c0054da0f18c570f545ec1322b398367
humanhash: paris-texas-bluebird-leopard
File name:payment_proof_Copy,pdf.exe
Download: download sample
Signature Formbook
File size:911'360 bytes
First seen:2021-05-21 15:51:20 UTC
Last seen:2021-05-21 16:19:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:VEhbJzPLMPDr028bHtNsoRYXm+pWQIV3h:ozPw7g28btNsoRMJk
Threatray 5'315 similar samples on MalwareBazaar
TLSH B415E03037999258D43E5B34183291C163F3B926FB25C72E7D94618C5EB3A938722BB7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment_proof_Copy,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-21 20:54:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 420049 Sample: payment_proof_Copy,pdf.exe Startdate: 21/05/2021 Architecture: WINDOWS Score: 100 31 www.youreasygift.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 payment_proof_Copy,pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\payment_proof_Copy,pdf.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 payment_proof_Copy,pdf.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.solitared.com 213.247.47.190, 49749, 80 WEBAIR-INTERNETUS Netherlands 18->33 35 evacode.net 177.84.130.179, 49750, 80 R4InformaticaLtdaBR Brazil 18->35 37 14 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 control.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-21 11:13:37 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
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.misskarenteachesenglish.com/tma3/
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

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