MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 442452b82edb2b18431c296669c78df1c88b210775e9a9b5d7726a1092a8fc6f. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 442452b82edb2b18431c296669c78df1c88b210775e9a9b5d7726a1092a8fc6f
SHA3-384 hash: 2a4cd2dd3601dd5013245210db42655771d0b8fbb3fb52de7ff6068caa3b02a1a96a19bf89bae20166af08252b2f43ff
SHA1 hash: 324d0b5e53e1691159e3439a8aca7f0db687c3b9
MD5 hash: 5c37dd0c318a6a93a7639a96eedf945d
humanhash: four-seven-uncle-lamp
File name:July PO outstanding.exe
Download: download sample
Signature FormBook
File size:823'808 bytes
First seen:2020-08-04 09:30:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:w+7OHcPgYxmOE+2Do4pPeRH89fO34aFUJK6EFDwKLCiDV:NDIYxPeVZlbaKICqV
Threatray 4'485 similar samples on MalwareBazaar
TLSH 06059E81F5409D50DC2A4E3B8D3399914B33AC6BEF02C607349CB6596BF72966A35F83
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

From: Saydur Rahman <saydur@karimgroup.com>
Subject: RE: Outstanding Bill - July PO
Attachment: July PO outstanding.r09 (contains "July PO outstanding.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
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
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256729 Sample: July PO outstanding.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 30 www.punkrockpeppers.com 2->30 32 punkrockpeppers.com 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 Yara detected FormBook 2->44 46 4 other signatures 2->46 11 July PO outstanding.exe 1 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\July PO outstanding.exe.log, ASCII 11->28 dropped 54 Injects a PE file into a foreign processes 11->54 15 July PO outstanding.exe 11->15         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 15->56 58 Maps a DLL or memory area into another process 15->58 60 Sample uses process hollowing technique 15->60 62 Queues an APC in another process (thread injection) 15->62 18 explorer.exe 15->18 injected process9 dnsIp10 34 www.shashinholdings.com 18->34 36 www.samtreacy.com 18->36 38 www.nutri-bulletmania.com 18->38 21 WWAHost.exe 18->21         started        process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-04 09:32:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook persistence
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

FormBook

Executable exe 442452b82edb2b18431c296669c78df1c88b210775e9a9b5d7726a1092a8fc6f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments