MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 819813f153ef8507cd32a453da79c05b5f00d86edc335e772f0470bc353f302e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 819813f153ef8507cd32a453da79c05b5f00d86edc335e772f0470bc353f302e
SHA3-384 hash: c0bf7f94dd08353f65118f0bc4b8f4de64585e360f4869d42863b64f616bd49e949936649d8c8b74bf4b375509b941dc
SHA1 hash: 5f23e3a5ed455f6f67952aba0c8803c11908816b
MD5 hash: b5132969a412747ae5b382f4d606397b
humanhash: sierra-december-dakota-whiskey
File name:FedEx Shipment doc.exe
Download: download sample
Signature Formbook
File size:1'158'144 bytes
First seen:2022-03-18 11:32:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:nVl5Lwf9umKsaLzT3Dus1u4QJ0yrwgKgW/b/FA7S12a:nVXcVuhsaF1u44WD/FA7S
Threatray 14'089 similar samples on MalwareBazaar
TLSH T1B135126125A487B5EABCE7F99055118003F62167D0BBE74E3FDDB1EB1E327218035A2B
Reporter abuse_ch
Tags:exe FedEx FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 591976 Sample: FedEx Shipment doc.exe Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 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 10 FedEx Shipment doc.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\FedEx Shipment doc.exe.log, ASCII 10->29 dropped 13 FedEx Shipment doc.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process7 dnsIp8 31 www.marqlabs.net 203.170.80.250, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 16->31 33 www.vickywestmore.com 16->33 35 parkingpage.namecheap.com 198.54.117.216, 49805, 80 NAMECHEAP-NETUS United States 16->35 37 System process connects to network (likely due to code injection or exploit) 16->37 20 help.exe 16->20         started        23 autofmt.exe 16->23         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-18 11:36:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:qdq1 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
SH256 hash:
4ad9c8591e8479035d75e5c47c353a4e9a3ecc8fbbc45c1d2d77bb59761565e8
MD5 hash:
a2e9e80dd99dc008e3625926804d9fa7
SHA1 hash:
93a103b5556c904ef3dab3dd5bd54dd2e1897353
SH256 hash:
a079a7c22ea5f3152018fd9575e61dd4292fe9b479daf7d3785d022201ac9ecc
MD5 hash:
3dd3bfe31b504318cb879e9dc09b007b
SHA1 hash:
513dfc9713e7e718acf4608f0c585fcfc2a73bdb
SH256 hash:
819813f153ef8507cd32a453da79c05b5f00d86edc335e772f0470bc353f302e
MD5 hash:
b5132969a412747ae5b382f4d606397b
SHA1 hash:
5f23e3a5ed455f6f67952aba0c8803c11908816b
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: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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