MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4951d233fb87fd6036e0baadf6b91ceb91ebe5d61fc048a27949949c8476b82d. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 4951d233fb87fd6036e0baadf6b91ceb91ebe5d61fc048a27949949c8476b82d
SHA3-384 hash: 50b2ada47ab91489a9a889999d0ab6290aa1406bc8ebe78e5d82d4df50f77128228243c303328bb23dc1b403bdeef638
SHA1 hash: ea2fff8f75afad9534054803ed60f46d891f8fd6
MD5 hash: 413bd9d03c8347c4a3d654c9d478781b
humanhash: blue-lima-london-hotel
File name:Nepal Pharmaceuticals Laboratory.exe
Download: download sample
Signature FormBook
File size:823'296 bytes
First seen:2020-08-03 15:07:23 UTC
Last seen:2020-08-03 16:03:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:aHP3kVwFTjmxO7SBEGx7A1p86tbg7eiHeHdbbKRreC67WQ:MPQwFHm2SBEG1Av1la+HdbbKRCC6v
Threatray 2'275 similar samples on MalwareBazaar
TLSH EC055B513949EC62C2A76B32DC8FC21443B9AD10A9D1DA17B5DA73ED0622BF7DC064CE
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: server.vreo.net
Sending IP: 143.95.90.162
From: nplmkt@npl.com.np
Reply-To: alfa@qualityservice.com
Subject: Nepal Pharmaceuticals Laboratory Pvt. Ltd. (NPL) / Request For Quotation
Attachment: Nepal Pharmaceuticals Laboratory.zip (contains "Nepal Pharmaceuticals Laboratory.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
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.AgentTesla
Status:
Malicious
First seen:
2020-08-03 15:09:07 UTC
AV detection:
36 of 48 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
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 4951d233fb87fd6036e0baadf6b91ceb91ebe5d61fc048a27949949c8476b82d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments