MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
SHA3-384 hash: 43fb35b2021a73b29f41c1b7be0a6aaca8a6c1776b4841873c4ee9c221c6f04a8346d8265b1d87ed0c4314761b71eec9
SHA1 hash: 9b7a62054f4095656dc95c3a430d86ed869a53e5
MD5 hash: 61a701e6517184d2393d33356eb19a67
humanhash: fourteen-sierra-happy-georgia
File name:packing list.pdf.exe
Download: download sample
Signature Formbook
File size:610'816 bytes
First seen:2021-02-09 13:56:57 UTC
Last seen:2021-02-09 15:53:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:axi8rKPe0nZVOgKpTl/zXZgVVmcbdNCpkjdlnQ3:krKG01mJzeVVPok
Threatray 3'782 similar samples on MalwareBazaar
TLSH 0FD4CF2523C85B99E0BE9B7A6530501053F5FD17D722EA5E3EA870DE1D32B8186B3723
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
packing list.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-09 14:00:09 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 350533 Sample: packing list.pdf.exe Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 14 other signatures 2->51 10 packing list.pdf.exe 7 2->10         started        process3 file4 31 C:\Users\user\AppData\...\DTGOJnjEeUUtC.exe, PE32 10->31 dropped 33 C:\...\DTGOJnjEeUUtC.exe:Zone.Identifier, ASCII 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmp57E9.tmp, XML 10->35 dropped 37 C:\Users\user\...\packing list.pdf.exe.log, ASCII 10->37 dropped 13 packing list.pdf.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Queues an APC in another process (thread injection) 13->65 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 39 www.txcxxx.com 156.224.53.105, 49749, 80 VPSQUANUS Seychelles 18->39 41 www.rxb.xyz 91.195.241.137, 49748, 80 SEDO-ASDE Germany 18->41 43 6 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 24 wscript.exe 18->24         started        signatures9 process10 signatures11 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-02-09 01:19:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook ransomware rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brasilseo.com/bft/
Unpacked files
SH256 hash:
924971edd391379fbed851351b25e82db6b98027b25df3d1d060989fb34d0e95
MD5 hash:
1549de5ccfc4e742e92c951bafc0caeb
SHA1 hash:
e5b8e4e35a0bdedef012b3e3be35f6237c0b95c5
SH256 hash:
fb4871da3983afb2711982bb5bb3d38237d52bd68ecd99d5fd2d4b32c9441ac6
MD5 hash:
405cf714acb829d23a6dd9e3a3b4ee17
SHA1 hash:
cca686c774b6b993802daf6fbd154b8628341b1e
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
SH256 hash:
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
MD5 hash:
61a701e6517184d2393d33356eb19a67
SHA1 hash:
9b7a62054f4095656dc95c3a430d86ed869a53e5
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

  
Delivery method
Other

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