MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c. 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 5 File information Comments

SHA256 hash: 27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
SHA3-384 hash: 405b4263167f77f0a34148f9f7754bf495c5e116d9be5f597736596cc4a01bb7312efcb0c7efc227ace21b321111a696
SHA1 hash: c60305a0033d1f5dc9db9329bdd718ffdfa64139
MD5 hash: 77059eaf664b1aed10f811cdfd80dc08
humanhash: ack-speaker-uniform-ceiling
File name:Shipping Documents.bat
Download: download sample
Signature Formbook
File size:239'076 bytes
First seen:2021-05-29 07:27:10 UTC
Last seen:2021-05-29 08:47:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:jQqqvOKfAdaO+ZRrhJxg4NJRsh0Fjnu6Z2/nOG+B:c2Kf5O+ZRr/tNbshUQX+B
Threatray 5'522 similar samples on MalwareBazaar
TLSH D334122A27E14CB3D9879275CD33CFBAD3F7A3170614511B2BB8AF636A62187C5061C2
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.bat
Verdict:
Malicious activity
Analysis date:
2021-05-29 07:30:45 UTC
Tags:
installer 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 file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 426611 Sample: Shipping Documents.bat Startdate: 29/05/2021 Architecture: WINDOWS Score: 100 31 www.desyrnan.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 10 other signatures 2->45 11 Shipping Documents.exe 20 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 55 Maps a DLL or memory area into another process 11->55 15 Shipping Documents.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.fuerzaagavera.com 64.190.62.111, 49749, 80 NBS11696US United States 18->33 35 www.onlinehoortoestel.online 84.200.110.123, 49755, 80 ACCELERATED-ITDE Germany 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 svchost.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-05-28 19:26:35 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
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_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
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

Formbook

Executable exe 27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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