MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519613b7d1ac99793523eed3df18438ecf95f4da29fd4c1ccaddc08cf0600960. 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 5 File information Comments

SHA256 hash: 519613b7d1ac99793523eed3df18438ecf95f4da29fd4c1ccaddc08cf0600960
SHA3-384 hash: a6dd29d0902421cb800e36f9cbe9ea32fb37f178ba5df86d7e1eb892d3f7127a6717db38e3b4eec60ab78922b9af29b6
SHA1 hash: 3b0a4e33f829ac9c660fe3ce27d763791671e72c
MD5 hash: 391a9268885e7482c9f58bd6d0860f4c
humanhash: zebra-carolina-virginia-ohio
File name:Zzogrgou09876545670987654.exe
Download: download sample
Signature Formbook
File size:13'824 bytes
First seen:2022-03-21 07:06:14 UTC
Last seen:2022-03-21 07:06:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'240 x SnakeKeylogger)
ssdeep 192:Nbf8XZXFCRgHHn2/NBAsLSPwj9TfiiLX2HS9yxSyrsRt8G3mSF6zQtjzK:N4xfHnsNvLFx7iiay9ycyrsR2vZMtjz
Threatray 14'398 similar samples on MalwareBazaar
TLSH T15D521BA86FA8D6F5D9351AFA1CF74A102639F113E416EF1F70C5620B6D2321644F2B2B
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
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
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 domain / URL
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
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 Costura Assembly Loader
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 592935 Sample: Zzogrgou09876545670987654.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 Zzogrgou09876545670987654.exe 15 4 2->10         started        process3 dnsIp4 36 cdn.discordapp.com 162.159.130.233, 443, 49761 CLOUDFLARENETUS United States 10->36 34 C:\...\Zzogrgou09876545670987654.exe.log, ASCII 10->34 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 15 Zzogrgou09876545670987654.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 20 explorer.exe 15->20 injected 23 conhost.exe 18->23         started        25 timeout.exe 1 18->25         started        process9 signatures10 46 Uses netsh to modify the Windows network and firewall settings 20->46 27 netsh.exe 20->27         started        process11 signatures12 48 Self deletion via cmd delete 27->48 50 Modifies the context of a thread in another process (thread injection) 27->50 52 Maps a DLL or memory area into another process 27->52 54 Tries to detect virtualization through RDTSC time measurements 27->54 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-21 07:07:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:pot0 loader rat suricata
Behaviour
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
519613b7d1ac99793523eed3df18438ecf95f4da29fd4c1ccaddc08cf0600960
MD5 hash:
391a9268885e7482c9f58bd6d0860f4c
SHA1 hash:
3b0a4e33f829ac9c660fe3ce27d763791671e72c
Malware family:
XLoader
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 519613b7d1ac99793523eed3df18438ecf95f4da29fd4c1ccaddc08cf0600960

(this sample)

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