MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cd1ca47d2e04de65562e1ba4d8ce4545ee486999f8f0eb7adc880c7fb7fc9b8. 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


Intelligence File information Yara Comments

SHA256 hash: 0cd1ca47d2e04de65562e1ba4d8ce4545ee486999f8f0eb7adc880c7fb7fc9b8
SHA3-384 hash: d8c1d29b8862d77f9ab830c91532a950bec073afc0d668c523f5b2aa07ef2ddee5d5a34069d2a911e5f55b379bf71dd0
SHA1 hash: 72b95da770016af3be66101db42c191d60685d7f
MD5 hash: 7c239ebd95edce558af5ab4ba444a20e
humanhash: sixteen-butter-aspen-sweet
File name:Confirmation voucher.exe
Download: download sample
Signature FormBook
File size:1'149'104 bytes
First seen:2020-07-31 09:24:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3
ssdeep 24576:bNA3R5drXdFdbFfpPlcK9eprBKJAl5CigbF1jZFQYcHO6lUj:G5NbJpP2nNK2l5CigbF1jZ63Oj
TLSH 07351203BBC188F2E57318355936A351697C7C301F34CB9EA7D8996CD9722819632BBB
Reporter @abuse_ch
Tags:exe FormBook


Twitter
@abuse_ch
Malspam distributing FormBook:

HELO: linux997.grserver.gr
Sending IP: 95.216.13.58
From: BOOKING.COM <admin@booking.com>
Reply-To: finance.booking.com@outlook.com
Subject: GROUP CONFIRMATION
Attachment: Confirmation voucher.rar (contains "Confirmation voucher.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Launching the process to change network settings
Launching cmd.exe command interpreter
Deleting a recently created file
Launching a process
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Drops PE files with a suspicious file extension
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sleep loop found (likely to delay execution)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255254 Sample: Confirmation voucher.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 39 g.msn.com 2->39 51 Malicious sample detected (through community Yara rule) 2->51 53 Yara detected FormBook 2->53 55 Yara detected AntiVM autoit script 2->55 57 2 other signatures 2->57 12 Confirmation voucher.exe 81 2->12         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\...\okxjgnm.pif, PE32 12->35 dropped 15 okxjgnm.pif 3 12->15         started        process6 file7 37 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 15->37 dropped 43 Writes to foreign memory regions 15->43 45 Allocates memory in foreign processes 15->45 47 Sample uses process hollowing technique 15->47 49 2 other signatures 15->49 19 RegSvcs.exe 15->19         started        22 RegSvcs.exe 15->22         started        signatures8 process9 signatures10 59 Modifies the context of a thread in another process (thread injection) 19->59 61 Maps a DLL or memory area into another process 19->61 63 Sample uses process hollowing technique 19->63 65 Queues an APC in another process (thread injection) 19->65 24 explorer.exe 19->24 injected 67 Tries to detect virtualization through RDTSC time measurements 22->67 process11 dnsIp12 41 www.meadowvalenorth.net 172.67.135.234, 49750, 80 CLOUDFLARENETUS United States 24->41 69 System process connects to network (likely due to code injection or exploit) 24->69 28 wscript.exe 24->28         started        signatures13 process14 signatures15 71 Modifies the context of a thread in another process (thread injection) 28->71 73 Maps a DLL or memory area into another process 28->73 75 Tries to detect virtualization through RDTSC time measurements 28->75 31 cmd.exe 1 28->31         started        process16 process17 33 conhost.exe 31->33         started       
Threat name:
Win32.Spyware.BtcWare
Status:
Malicious
First seen:
2020-07-31 09:26:07 UTC
AV detection:
23 of 31 (74.19%)
Threat level
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook evasion persistence
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Threat name:
Trojan
Score:
1.00

File information


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

Malspam

FormBook

Executable exe 0cd1ca47d2e04de65562e1ba4d8ce4545ee486999f8f0eb7adc880c7fb7fc9b8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments