MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd3afdd3cda53eebbebcc99b946ff7eb2f972fcf1c5a3a11ffcf633a46f1b853. 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: bd3afdd3cda53eebbebcc99b946ff7eb2f972fcf1c5a3a11ffcf633a46f1b853
SHA3-384 hash: 062743ba69c012e46e22a1c5c72a4448064034aba6ca9a661a1c134635dd0e606892e2a71bce2d2c17701fa82e6be3ae
SHA1 hash: b5d2eafe16fc1f746179f5fc65e2c3d29935d5c6
MD5 hash: 4eb847de0f5970173a7901450fca6ac4
humanhash: berlin-quiet-double-double
File name:40% TT Transfer Copy.exe
Download: download sample
Signature FormBook
File size:395'264 bytes
First seen:2020-08-05 08:48:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:SJjXM2XRrnV5pTzuY/ZyCXyNn20fDnhIMMFnD1rnPkDnnN6O8zdH2F1hYOBCcWYj:SJjXM25VzTKY/0CXqJD+tFD8WMF17fj
Threatray 4'525 similar samples on MalwareBazaar
TLSH BE84F02C3690692EF67A0E3F5C710183DE26F94FDE22D70B69756629413E68CBC21F61
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

From: Nerissa Lao Liwanag <laranerissa.liwanag@mizuho-cb.com>
Reply-To: account@mizuho-cb.com
Subject: 40% TT Transfer Copy
Attachment: 40% TT Transfer Copy.rar (contains "40% TT Transfer Copy.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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 02:13:17 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook evasion persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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
Deletes itself
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 bd3afdd3cda53eebbebcc99b946ff7eb2f972fcf1c5a3a11ffcf633a46f1b853

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments