MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d0d81b07dac6bebdcf5d7a2306f4659e9df8bd40aaeba10ae37d03b30221d3b. 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 3 File information Comments

SHA256 hash: 3d0d81b07dac6bebdcf5d7a2306f4659e9df8bd40aaeba10ae37d03b30221d3b
SHA3-384 hash: 23a203c0410dd5f5a26b0891f75825ded33b94950a0378aa9802fdf940751bd7887545290042968f58123807195a7144
SHA1 hash: 93917dfe4e27a993743ab193973565df13dc1c26
MD5 hash: e4bee45aed852f2d144b3cab900c9a55
humanhash: friend-burger-island-fish
File name:sprayrock123.exe
Download: download sample
Signature Formbook
File size:297'834 bytes
First seen:2021-11-11 13:45:49 UTC
Last seen:2021-11-11 16:43:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi0ImIMOaAKiFMJmSCVnfoDXycxTHA0dt5sC2MIFAT0eqVUm:YIm6V+USOnfAXyctHA0awIEqf
Threatray 11'180 similar samples on MalwareBazaar
TLSH T1F45412861AC83CFFE8A106721776CBB9D3F3C7894913290B87F91EE9396B7835A01455
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay 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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519961 Sample: sprayrock123.exe Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 3 other signatures 2->41 10 sprayrock123.exe 17 2->10         started        process3 file4 31 C:\Users\user\AppData\...\igdvbvbuvtr.dll, PE32 10->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 sprayrock123.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 process9 19 cmstp.exe 17->19         started        signatures10 43 Self deletion via cmd delete 19->43 45 Modifies the context of a thread in another process (thread injection) 19->45 47 Maps a DLL or memory area into another process 19->47 49 Tries to detect virtualization through RDTSC time measurements 19->49 22 explorer.exe 1 130 19->22         started        25 cmd.exe 1 19->25         started        27 explorer.exe 106 19->27         started        process11 dnsIp12 33 192.168.2.1 unknown unknown 22->33 29 conhost.exe 25->29         started        process13
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2021-11-11 13:46:06 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s3r1 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.spotifytracker.party/s3r1/
Unpacked files
SH256 hash:
3d0d81b07dac6bebdcf5d7a2306f4659e9df8bd40aaeba10ae37d03b30221d3b
MD5 hash:
e4bee45aed852f2d144b3cab900c9a55
SHA1 hash:
93917dfe4e27a993743ab193973565df13dc1c26
Malware family:
FormBook
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 3d0d81b07dac6bebdcf5d7a2306f4659e9df8bd40aaeba10ae37d03b30221d3b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments