MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c648b7b14b2eb3f4d58468a82684d68ee1ef6bed84a57545454de8849da9535. 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: 4


Intelligence 4 IOCs YARA 2 File information Comments

SHA256 hash: 4c648b7b14b2eb3f4d58468a82684d68ee1ef6bed84a57545454de8849da9535
SHA3-384 hash: 059a1f30cdd4244f5577f4237cfe96a2e5aefbb8577ed3e121bff92509ebafc629260661562a9f28d63fdf192deac46c
SHA1 hash: 4364771cb07ab7f2083348336b07076249332e1b
MD5 hash: 5d22e312f97886de28570639c401a91e
humanhash: oxygen-black-cold-ink
File name:PO#4443497.pdf.exe
Download: download sample
Signature Formbook
File size:736'331 bytes
First seen:2020-04-28 13:14:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 12288:eanN+13sf8irOhRxuXCeR1YY1k6vHlskZJvT/koGetZZy:KezRvbPvTcoGsy
Threatray 5'287 similar samples on MalwareBazaar
TLSH 55F49B1F7610E376CC2D15BF0C68ECE8DB22AD85B9E0355E6281762E27BF6344A37506
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Waldek
Status:
Malicious
First seen:
2020-04-27 23:21:36 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
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:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments